what is a active margin

The location where two plates meet is called a plate boundary. Plate boundaries are commonly associated with geological events such as earthquakes and the creation of topographic features such as mountains, volcanoes, mid-ocean ridges, and oceanic trenches.here the plates meet, their relative motion determines the type of boundary: convergent, divergent, or transform. Earthquakes, volcanic activity, mountain-building, and oceanic trench formation occur along these plate boundaries.

Profile illustrating the shelf, slope and rise. The continental margin is the zone of the ocean floor that separates the thin oceanic crust from thick continental crust.Together, the continental shelf, continental slope, and continental rise are called continental margin. Continental margins constitute about 28% of the oceanic area.he transition from continental to oceanic crust commonly occurs within the outer part of the margin, called continental rise. Oceanwards beyond the edge of the rise lies the abyssal plain.

Converging plate boundaries are of two types: 1  Subduction boundaries occur where oceanic lithosphere is pushed beneath continental or oceanic lithospheres. 2  Where two plates converge at an oceanic trench a subduction boundary is formed as cold oceanic lithospheres are pushed back down into the mantle. Where two plates converge at an oceanic trench a subduction boundary is formed as cold oceanic lithospheres are pushed back down into the mantle. 2  This happens because the oceanic plate is denser than the continental plate so, as they move together, the oceanic plate is forced underneath the continental plate.

1 The boundary between two plates can be a divergent boundary, a convergent boundary or a transform boundary. 2  The lithosphere is composed of the crust, and some of the upper mantle. 3  Mature oceanic plate is approximately 80-100 km thick, of which, the upper 5-7 km is oceanic crust. An oceanic trench forms offshore, and a chain of volcanic mountains forms just inland of the coast. 2  This type of boundary between oceanic crust and continental crust is called an active continental margin since it is a plate boundary. 3  At other convergent boundaries, oceanic plate meets other oceanic plate.

most metamorphic rocks produced during this type of metamorphism that is in association with mountain building; large segments of earth's crust are intensely deformed along convergent plate boundaries; occurs where oceanic lithosphere is subducted to produce continental volcanic arcs; high temperatures and pressures.ubduction Zone Metamorphism. rocks and sediment carried to great depths along convergent boundaries where oceanic lithosphere is subducted under continental crust; differs from burial because differential stress plays a major role in deforming rock; high pressure, low temperatures.

Tectonic plate interactions are of three different basic types: 1  Divergent boundaries are areas where plates move away from each other, forming either mid-oceanic ridges or rift valleys. 2  These are also known as constructive boundaries. 3  Convergent boundaries are areas where plates move toward each other and collide. Convergent boundaries are areas where plates move toward each other and collide. 2  These are also known as compressional or destructive boundaries. 3  Subduction zones occur where an oceanic plate meets a continental plate and is pushed underneath it.

Converging plate boundaries are of two types: 1  Subduction boundaries occur where oceanic lithosphere is pushed beneath continental or oceanic lithospheres. 2  Where two plates converge at an oceanic trench a subduction boundary is formed as cold oceanic lithospheres are pushed back down into the mantle.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide. The collision between the Australian Plate and the Pacific Plate that formed the Southern Alps in New Zealand. 2  Subduction of the northern part of the Pacific Plate and the NW North American Plate that is forming the Aleutian Islands.

the overall rate may be extremely slow one to ten centimeters per year but the long term effect is a continual re shaping of the surface of our planet an active continental margin is found on the leading edge of the continent where it is crashing into an oceanic platean excellent example is the west coast of south america active margins are commonly the sites of tectonic activity earthquakes volcanoes mountain building and the formation of new igneous rockhis is an easy one the earth s crust is broken into sections called plates there are two 2 basic types oceanic plates which are composed of basalt and continental plates which are mostly granite

B. the collision of oceanic crust against continental crust will result in subduction of the continent. C. there are only two types of convergent boundaries: ocean-ocean and ocean-continent. D. where two ocean plates collide, magma rises through the overriding plate to form a back-arc basin.E. when two continents collide, a suture zone and a mountain range form at the collision zone. 4.. where two ocean plates collide, magma rises through the overriding plate to form a back-arc basin. E. when two continents collide, a suture zone and a mountain range form at the collision zone. 4.

Andean-Type Convergent Zone. Mountain building along continental margins that involves the convergence of an oceanic plate and a plate whose leading edge contains continental crust. Results in the formation of a continental volcanic arc and related tectonic features inland of the continental margin.

A subduction zone is formed at a convergent plate boundary when one or both of the tectonic plates is composed of oceanic crust. The denser plate, made of oceanic crust, is subducted underneath the less dense plate, which can be either continental or oceanic crust.s a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision. This depends on the nature of the plates involved.

At convergent boundaries, tectonic plates collide with each other. The events that occur at these boundaries are linked to the types of plates — oceanic or continental — that are interacting. Subduction Zones and Volcanoes. At some convergent boundaries, an oceanic plate collides with a continental plate.

Convergent boundary. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.n a subduction zone, the subducting plate, which is normally a plate with oceanic crust, moves beneath the other plate, which can be made of either oceanic or continental crust. During collisions between two continental plates, large mountain ranges, such as the Himalayas are formed.

3. Convergent boundaries (also called transform faults) Convergent boundaries are the place where two tectonic plates converge (i.e. two plates move toward each other). These zones tend to be where compressional stresses are active and this results in thrust or reverse faults being common. Converging plate boundaries are of two types:

Converging plate boundaries are of two types: 1  Subduction boundaries occur where oceanic lithosphere is pushed beneath continental or oceanic lithospheres. 2  Where two plates converge at an oceanic trench a subduction boundary is formed as cold oceanic lithospheres are pushed back down into the mantle. Subduction boundaries occur where oceanic lithosphere is pushed beneath continental or oceanic lithospheres. 2  Where two plates converge at an oceanic trench a subduction boundary is formed as cold oceanic lithospheres are pushed back down into the mantle.

Best Answer: The margin is simply the edge of a continental plate. Deep ocean basins are areas of oceanic crust on the ocean floor. They are usually not on a plate margin, part of a deep ocean basin may be near a continental margin, but they are not margins themselves. Source(s): Punk Rock and Minerals · 9 years ago

Whatever drives the movement, plate tectonic activity takes place at four types of boundaries: divergent boundaries, where new crust is formed; convergent boundaries, where crust is consumed; collisional boundaries, where two land masses collide; and transform boundaries, where two plates slide against each other.

Volcanic eruptions. As with earthquakes, volcanic activity is linked to plate-tectonic processes. Most of the world's active above-sea volcanoes are located near convergent plate boundaries where subduction is occurring, particularly around the Pacific basin.olcanic eruptions. As with earthquakes, volcanic activity is linked to plate-tectonic processes. Most of the world's active above-sea volcanoes are located near convergent plate boundaries where subduction is occurring, particularly around the Pacific basin.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide. subduction zone is formed at a convergent plate boundary when one or both of the tectonic plates is composed of oceanic crust. The denser plate, made of oceanic crust, is subducted underneath the less dense plate, which can be either continental or oceanic crust.

Effects of a convergent boundary between an oceanic and continental plate include: a zone of earthquake activity that is shallow along the continent margin but deepens beneath the continent; sometimes an ocean trench immediately off shore of the continent; a line of volcanic eruptions a few hundred miles inland from the shoreline; destruction of oceanic lithosphere.

Ocean-continent convergent boundary-subduction of oceanic crust beneath continental crust, development of a continental volcanic arc, and a formation of folded mountains as accretionary wedge is deformed and folded.

In general, the continental shelves bordering active margins are narrower than those along passive margins. The trench marks the deepest seaward termination of the active continental margin. It coincides with the surface trace of the subduction fault marking the boundary between the converging plates.

In a subduction zone, the subducting plate, which is normally a plate with oceanic crust, moves beneath the other plate, which can be made of either oceanic or continental crust. During collisions between two continental plates, large mountain ranges, such as the Himalayas are formed.Oceanic-continental.he nature of a convergent boundary depends on the type of plates that are colliding. Where a dense oceanic plate collides with a less-dense continental plate, the oceanic plate is typically thrust underneath because of the greater buoyancy of the continental lithosphere, forming a subduction zone.

Confidence votes 68.2K. Rockhound. In plate tectonics, a convergent boundary or convergent plate boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of lithosphere move toward one another and collide. destructive plate boundary may also be formed between Oceanic plates and Continental plates. Japan is an example of two oceanic plates colliding against each other and an example of two continental plates colliding is the collision of the Indian and Eurasian plate. 22 people found this useful.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary, is a region of active deformation where two or more tectonic plates or fragments of the lithosphere are near the end of their life cycle.

Subduction zones are convergent boundaries where at least one of the tectonic plates is an oceanic crust. The new oceanic crust that forms in spreading centers is recycled in these zones. Subducting oceanic plate. The oceanic crust melts as it descends into the lithosphere and upper mantle. Subducting plates ring the Pacific Ocean creating volcanic arcs and megathrust earthquakes. Coastal area where an ocean plate is subducting beneath a continental plate.

Because the subduction zone (which is also the plate boundary) is generally an arc-shape, geologists named those volcanoes volcanic arcs. A volcanic arc built on continental crust is called a continental arc; when built on oceanic crust the volcanoes form an island arc. Volcanic arcs are made of an arc-shaped chain of volcanoes. 2  The position of which could be continental or mid-ocean. 3  While an island arc must be offshore and does not necessarily be volcanic (e.g. Hellenic arc).

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A destructive margin where pre-existing crust is destroyed (subduction zones) Found at active continental margins where plates move toward each other and often associated with volcanic activity Turbidity Current Deposit sediment at the base of continental slopes which accumulate, forming graded bedding called deep-sea fans.

Divergent Margins. boundaries where plates are moving toward each other, and. sometimes one plate sinks (is subducted) beneath another. The. location where the sinking of a plate occurs is called a subduction. zone. A transform boundary is where plates slide past each other. with no creation or destruction of lithosphere. Plate Margin Examples. There are three general types of plate boundaries: divergent, convergent, and transform. Each general type has multiple. ‘species’: divergent boundaries can be spreading ocean ridges or. continental rift zones; convergent boundaries can occur between. two continental plates.

Medical Definition of marginal. 1  1: of, relating to, or situated at a margin or border. 2  2: located at the fringe of consciousness marginal sensations.

Mountain building can occur in a number of ways at a convergent margin: mountains may rise as a consequence of the subduction process itself, by the accretion of small crustal fragments (which, along with linear island chains and oceanic ridges, are known as terranes), or by the collision of two large continents.

3.5 Destructive plate boundaries, continued: ocean-ocean (island-arc) subduction. The convergence of two oceanic plates represents the simplest type of destructive plate boundary and exemplifies most of the features associated with the destruction of oceanic lithosphere.

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In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.n a subduction zone, the subducting plate, which is normally a plate with oceanic crust, moves beneath the other plate, which can be made of either oceanic or continental crust. During collisions between two continental plates, large mountain ranges, such as the Himalayas are formed. Oceanic-continental.

Oceanic crust slowly moves away from mid-ocean ridges and sites of seafloor spreading. As it moves, it becomes cooler, more dense, and more thick. Eventually, older oceanic crust encounters a tectonic boundary with continental crust. In some cases, oceanic crust encounters an active plate margin.

• Pacific = Active Margin geologic activity 11 The ocean floor can be classified as (a) Continental Margins –the submerged outer edge of a continent (b) Ocean Basin – the deep seafloor beyond the continental margin There are two types of continental Margins (a)passive or trailing margins: margin of continent that moves away from spreading center – Atlantic-style margins (also Artic Ocean, Antarctica and Indian Ocean). Very little volcanic or earthquake activity is associated with passive margins. (b) active or leading margins: plate boundary located along a continental margin – ocean trenches where there is subduction of oceanic lithosphere – narrow, steep, with volcanic mountains (West Coast of the Americas). Active margins are the site of volcanic and earthquake activity. 12 Continental Margins

What is the definition for convergent boundaries? In plate tectonics, a convergent boundary also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plat … es or fragments of lithosphere move toward one another and collide.ulture is what people believe, ho … w they act and interact, and the way they live. Culture is the specific traits, behaviors, attitudes, and traditions passed on through the generations of families. This also includes beliefs and any other things that have come from your family specifically.

Convergent boundaries (Destructive) (or active margins) occur where two plates slide toward each other to form either a subduction zone (one plate moving underneath the other) or a continental collision.

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As a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision.This depends on the nature of the plates involved. subduction zone is formed at a convergent plate boundary when one or both of the tectonic plates is composed of oceanic crust. The denser plate, made of oceanic crust, is subducted underneath the less dense plate, which can be either continental or oceanic crust.

Heat within the asthenosphere creates convection currents that cause tectonic plates to move several centimeters per year relative to each other. When two tectonic plates meet, we get a “plate boundary.” There are three major types of plate boundaries. If two tectonic plates collide, they form a convergent plate boundary. Usually, one of the converging plates will move beneath the other, which is known as subduction. Deep trenches are often formed where tectonic plates are being subducted and earthquakes are common.

Because the subduction zone (which is also the plate boundary) is generally an arc-shape, geologists named those volcanoes volcanic arcs. A volcanic arc built on continental crust is called a continental arc; when built on oceanic crust the volcanoes form an island arc.he continental arc is formed at an active continental margin where two tectonic plates meet and a subduction zone develops.

PLATE TECTONICS 211 d12 Oceanic-oceanic, oceanic-continental, and continental-continental boundaries 1 Tectonic plates are fragments of the lithosphere.Most have areas of both continental and oceaniccrust as their upper part as is so of the North Ameri can plate.LATE TECTONICS 211 d12 Oceanic-oceanic, oceanic-continental, and continental-continental boundaries 1 Tectonic plates are fragments of the lithosphere.

The overall rate may be extremely slow (one to ten centimeters per year), but the long term effect is a continual re-shaping of the surface of our planet. An active continental margin is found on the leading edge of the continent where it is crashing into an oceanic plate. An excellent example is the west coast of South America. Active margins are commonly the sites of tectonic activity: earthquakes, volcanoes, mountain building, and the formation of new igneous rock.

Continents make up one of the two types of crust that occur on Earth — oceanic and continental crusts. Continental crust is thicker than oceanic crust. A continental margin isn't the same thing as a plate margin. Look at the eastern edge of North America.

oceanic-continental convergence. When an Oceanic and a Continental Plate converge the Oceanic Plate sinks underneath the Continental Plate. The area were the plate sinks into the Mantle is called a Subduction zone. Subduction Zones along an Oceanic-Continental boundary create a deep-sea trench.onvergent Boundary. In Plate Tectonics, a Convergent Boundary, also known as a destructive plate boundary because of Subduction. A Convergent Boundary is an actively deforming region where two or more tectonic plates or fragments of the Lithosphere move toward one another and collide.

Thrust tectonics is associated with the shortening and thickening of the crust or lithosphere. This type of tectonics is found at zones of continental collision, at restraining bends in strike-slip faults and at the oceanward part of passive margin sequences where a detachment layer is present.

Convergent boundary. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.onvergent boundary. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

The location where two plates meet is called a plate boundary. Plate boundaries are commonly associated with geological events such as earthquakes and the creation of topographic features such as mountains, volcanoes, mid-ocean ridges, and oceanic trenches. Convergent boundaries (Destructive) (or active margins) occur where two plates slide toward each other to form either a subduction zone (one plate moving underneath the other) or a continental collision.

The nature of a convergent boundary depends on the type of plates that are colliding. Where a dense oceanic plate collides with a less-dense continental plate, the oceanic plate is typically thrust underneath because of the greater buoyancy of the continental lithosphere, forming a subduction zone.n a subduction zone, the subducting plate, which is normally a plate with oceanic crust, moves beneath the other plate, which can be made of either oceanic or continental crust. During collisions between two continental plates, large mountain ranges, such as the Himalayas are formed.

What is the definition for convergent boundaries? In plate tectonics, a convergent boundary also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plat … es or fragments of lithosphere move toward one another and collide. convergent boundary with no subduction is a continental-continental boundary. Because oceanic crust is denser than continental crust, it is always the subducting plate in a … oceanic-continental boundary. In an oceanic-oceanic boundary, one of the plates will subduct, depending on several factors.

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1 Convergent boundaries are areas where plates move toward each other and collide. 2  These are also known as compressional or destructive boundaries. 3  Subduction zones occur where an oceanic plate meets a continental plate and is pushed underneath it. 4  Subduction zones are marked by oceanic trenches.

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The margin is simply the edge of a continental plate Deep ocean basins are areas of oceanic crust on the ocean floor. They are usually not on a plate margin, part of a deep ocean basin may be near a continental margin, but they are not margins themselves. Deep Ocean Basin.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.s a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision.

As a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision.hen one plate is composed of oceanic lithosphere and the other is composed of continental lithosphere, the denser oceanic plate is subducted, often forming an orogenic belt and associated mountain range. This type of convergent boundary is similar to the Andes or the Cascade Range in North America.

Plate margins are of three main types: (a) constructive margins where newly created lithosphere is being added to plates which are moving apart at oceanic ridges; (b) convergent margins which can be either destructive margins, where one plate is carried down into the mantle, beneath the bordering plate, at a subduction zone, or a collision zone, where two island arcs or continents, or an arc and a continent, are colliding; or (c) conservative margins, where two plates are moving in opposite ...

Convergent boundary. In plate tectonics, a convergent boundary, also known as a destructive plate boundary, is an actively deforming region where two tectonic plates or fragments of lithosphere move toward one another and collide.n plate tectonics, a convergent boundary, also known as a destructive plate boundary, is an actively deforming region where two tectonic plates or fragments of lithosphere move toward one another and collide.

In a subduction zone, the subducting plate, which is normally a plate with oceanic crust, moves beneath the other plate, which can be made of either oceanic or continental crust. During collisions between two continental plates, large mountain ranges, such as the Himalayas are formed.Oceanic-continental.s a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision.

As a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision.This depends on the nature of the plates involved.hen one plate is composed of oceanic lithosphere and the other is composed of continental lithosphere, the denser oceanic plate is subducted, often forming an orogenic belt and associated mountain range. This type of convergent boundary is similar to the Andes or the Cascade Range in North America.

Plates move together at convergent plate boundaries and lithosphere is destroyed. There is a compressional stress on the undeformed rocks which causes the crust to shorten. Re … verse faults (the hanging wall moves up) occur at convergent plate boundaries. Different types of convergent plate boundaries include: oceanic-oceanic, oceanic-continental, continental-continental. In oceanic-oceanic an oceanic trench forms because the oceanic crusts subducts. The oceanic crust, because of its higher density, also subducts in oceanic-continental convergent plate boundaries, which are the most common. In the last case, continental-continental- two continents collide.

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Most earthquakes happen at a place where 2 tectonic plates touch. Earthquakes occur mostly in regions with stress between continental plates. This is the case in the Middle East, and along the rim around the Pacific Ocean (where it also causes volcanic activity in the regions, known as the Ring of Fire).

Oceanic crust Convergent Margins Crust is destroyed as two plates move towards each other. The heavier plate dives (subducts) beneath the more-bouyant plate. net Continental crustHighPlateauContinental crustLithosphere LithosphereAsthenosphere *NOTE: on these drawings, the crust appears separate from the lithosphere.

Active continental margin: A continental margin that has a very narrow, or even nonexistent, continental shelf and a narrow and steep continental slope that ends in a deep trench instead of a continental rise; it is marked by earthquake and volcanic activity.

An active continental margin is found on the leading edge of the continent where it is crashing into an oceanic plate. An excellent example is the west coast of South America. Active margins are commonly the sites of tectonic activity: earthquakes, volcanoes, mountain building, and the formation of new igneous rock.

This type of passive margin develops where rifting is oblique to the coastline, as is now occurring in the Gulf of California. Nature of transitional crust Transitional crust, separating true oceanic and continental crusts, is the foundation of any passive margin.

1 The boundary between two plates can be a divergent boundary, a convergent boundary or a transform boundary. 2  The lithosphere is composed of the crust, and some of the upper mantle. 3  Mature oceanic plate is approximately 80-100 km thick, of which, the upper 5-7 km is oceanic crust. At some convergent boundaries, oceanic plate meets continental plate. 2  An example of this is the west coast of southern Mexico, Central America and South America. 3  An oceanic trench forms offshore, and a chain of volcanic mountains forms just inland of the coast.

Convergent boundary. From Wikipedia, the free encyclopedia. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.onvergent boundary. From Wikipedia, the free encyclopedia. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

are separated by narrow active seismic belts. These plates may be composed of mainly continental material e.g. the Eurasian plate or largely oceanic material e.g. Pacific plate. These plates are relatively rigid and have a thickness of between 100-150 km.Nearly all volcanic, seismic and tectonic activity is restricted to narrow zones around plate margins.re separated by narrow active seismic belts. These plates may be composed of mainly continental material e.g. the Eurasian plate or largely oceanic material e.g. Pacific plate. These plates are relatively rigid and have a thickness of between 100-150 km.

In the case of a convergent boundary between two oceanic plates, one is usually subducted under the other, and in the process a trench is formed.The Marianas Trench (paralleling the Mariana Islands), for example, marks where the fast-moving Pacific Plate converges against the slower moving Philippine Plate.onvergent Boundaries between Tectonic Plates. Convergent boundaries where tectonic plates move toward each other generally result in the subduction of one plate into the mantle, consuming part of the lithosphere.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

Time line of Earthquakes in Chile. Earthquakes in Chile. Chile is located on a tectonic plate boundary and a subduction zone called the Peru-Chile trench. A subduction zone is where the ocean crust slides under the continental margin which causes compressional deformation (mountain building), earthquakes and volcanoes.arthquakes occur at any fault line, but the most destructive earthquakes happen at subduction zones. In fact, the largest earthquake of this century was in Valdivia Chile, on May 21st 1960. Siesmicity has shown us that Chile has continual earthquakes year in and year out, some much bigger than others.

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1 A single plate may be part oceanic and part continental. 2  In that case, the boundary between ocean crust and continental crust is not a plate boundary. 3  The mobile part of the mantle under the lithosphere is called the asthenosphere. An oceanic trench forms offshore, and a chain of volcanic mountains forms just inland of the coast. 2  This type of boundary between oceanic crust and continental crust is called an active continental margin since it is a plate boundary. 3  At other convergent boundaries, oceanic plate meets other oceanic plate.

Cases of continental margins that are on or very close to a plate margin. Most continental margins around the Pacific are active. Key characteristics of active continental margins include the activity of volcanoes and earthquakes, narrow continental shelves, large coastal mountains, and much more.

Where convection currents converge, plates move towards each other. The movement of the plates, and the activity inside the Earth, is called plate tectonics. Plate tectonics cause earthquakes and volcanoes. The point where two plates meet is called a plate boundary.Earthquakes and volcanoes are most likely to occur either on or near plate boundaries. The map shows the world's tectonic plates and the distribution of earthquakes and volcanoes.Your web browser does not have JavaScript switched on at the moment.here convection currents converge, plates move towards each other. The movement of the plates, and the activity inside the Earth, is called plate tectonics. Plate tectonics cause earthquakes and volcanoes. The point where two plates meet is called a plate boundary.

1 Convergent Boundaries-A convergent boundary is where two tectonic plates push together. 2  Sometimes one plate will move under the other. 3  This is called subduction. 4  Although the movement is slow, convergent boundaries can be areas of geological activity such as the forming of mountains and volcanoes. Transform Boundaries-A transform boundary is one where two plates slide past each other. 2  These places are often called faults and can be areas where earthquakes often occur. 3  One famous transform boundary is the San Andreas Fault in California. 4  It is the boundary between the North American Plate and the Pacific Plate.

A-C. Abyssal Plain The flat area of the ocean basins between oceanic ridges and trenches or passive margins. Average depth of the abyssal plain is 4km below sea level. Typically the sedimentary rocks forming here are black shales and turbidites.Accretionary Wedge (prism) A zone of deformed sediment made up of thrust slices scraped off a subducting oceanic plate and added onto the over-riding plate.ontinental Crust A collective term for the crust that forming the continents; it has an average thickness of 35 km but can be up to 70 km under mountain ranges. Typically the composition is granitic with a density of 2.7 meaning that it is too buoyant to be subducted at convergent (destructive) plate margins.

There are active volcanoes in every part of the world. There are about 1,500 active volcanoes, many in the region of the Pacific Ocean. The Pacific Ring Of Fire is an arc around the Pacific Ocean where there are 400+ volcanoes. Avachinsky-Koryaksky in Russia.

Fold mountains are created by uplift and folding of tectonic plates as they move towards each other and collide. This is known as a compressional plate margin. An example is the Andes Mountain range in South America().The plates may be either 'continental and continental' or 'continental and oceanic'. The plates move towards each other, but there isn't a free space for them to move into because they are already touching each other.t a destructive plate margin where oceanic and continental plates collide, the oceanic plate is subducted, pulled under the continental plate-whilst the continental plate is crumpled upwards to form a mountain range. The Andes are an example of fold mountains formed at a destructive plate margin.

Volcanoes form at divergent plate boundaries, and at convergent plate boundaries between oceanic and continental plates or between two oceanic plates (subduction zones). All types of plate movements cause earthquakes, including transverse movements where two plates slide along each other, and convergent boundaries between two continental plates (these two types generally do not result in volcanism). Divergent boundaries, or rifts, are places where two plates move apart from each other.

Active Margins. occur where oceanic lithosphere is being subducted beneath the edge of the continent. the result is a relatively narrow margin that consists of highly deformed sediment that was scraped from the decending lithospheric slab and plastered against the margin of the overriding continent.ame thing as oceanic ridge. Long well developed divergent plate boundary, sea floor is elevated forming a broad line swell called the ocean ridge. knowledge of the ridge comes from soundings of the ocean floor and floor samples from deep sea drilling, visual inspections from deep submersibles.

Best Answer: An active margin is a tectonic plate boundary, a passive margin is a compositional transition within a tectonic plate. As you probably know the theory of plate tectonics posits the outer layer of the Earth consist of plates which move relative to each other driven by convection in the Mantle.

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A convergent boundary (or destructive boundary) is where two plates are moving towards each other -- where they're colliding. The pressure and friction is great enough at these boundaries that the material in the Earth's mantle can melt, and both earthquakes and volcanoes happen nearby.he west coast of South America is a convergent boundary between the Nazca plate and the South American plate. The collision of this oceanic and continental plate was how the Andes mountains were formed. Convergent boundaries can also form islands.

The great majority of earthquakes occur at tectonic plate boundaries. The majority of great earthquakes (magnitude 8.0 or larger) are megathrust earthquakes that occur at convergent plate boundaries, also called destructive margins or subduction zones.

Types. 1  Deep-sea trenches generally lie seaward of and parallel to adjacent island arcs or mountain ranges of the continental margins. They are closely associated with and found in subduction zones—that is, locations where a lithospheric plate bearing oceanic crust slides down into the upper mantle under the force of gravity.

1 An oceanic trench forms offshore, and a chain of volcanic mountains forms just inland of the coast. 2  This type of boundary between oceanic crust and continental crust is called an active continental margin since it is a plate boundary. 3  At other convergent boundaries, oceanic plate meets other oceanic plate.

A continental margin that has a broad continental shelf, a gentle continental slope, and a pronounced continental rise is known as a passive continental margin. This type of margin experiences little, if any, volcanic or earthquake activity. The build-up of sediment is the primary activity affecting a passive margin.

When one plate is composed of oceanic lithosphere and the other is composed of continental lithosphere, the denser oceanic plate is subducted, often forming an orogenic belt and associated mountain range. This type of convergent boundary is similar to the Andes or the Cascade Range in North America. subduction zone is formed at a convergent plate boundary when one or both of the tectonic plates is composed of oceanic crust. The denser plate, made of oceanic crust, is subducted underneath the less dense plate, which can be either continental or oceanic crust.

In a subduction zone, the subducting plate, which is normally a plate with oceanic crust, moves beneath the other plate, which can be made of either oceanic or continental crust. During collisions between two continental plates, large mountain ranges, such as the Himalayas are formed. Oceanic-continental.s a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision.

Convergent margins. A subduction zone is formed at a convergent plate boundary when one or both of the tectonic plates is composed of oceanic crust. The denser plate, made of oceanic crust, is subducted underneath the less dense plate, which can be either continental or oceanic crust.

Notable Features. 1  The great majority of earthquakes occur at tectonic plate boundaries. 2  The majority of great earthquakes (magnitude 8.0 or larger) are megathrust earthquakes that occur at convergent plate boundaries, also called destructive margins or subduction zones.

Convergent boundaries are the place where two tectonic plates converge (i.e. two plates move toward each other). These zones tend to be where compressional stresses are active and this results in thrust or reverse faults being common. Converging plate boundaries are of two types:

The transition from continental to oceanic crust commonly occurs within the outer part of the margin, called continental rise. Oceanwards beyond the edge of the rise lies the abyssal plain.arthquakes and volcanic eruptions are common on the west coast of North America, but there are no active volcanoes on the east coast and large magnitude earthquakes are rare. Geologists refer to the west coast as (tectonically) active continental margin and the east coast a passive continental margin.

The Tonga Trench is a convergent plate boundary. The trench lies at the northern end of the Kermadec-Tonga Subduction Zone, an active subduction zone where the Pacific Plate is being subducted below the Tonga Plate and the Indo-Australian Plate.uch oceanic trenches are important sites for the formation of what will become continental crust and for recycling of material back into the mantle. Along the Tonga Trench mantle-derived melts are transferred to the island arc systems, and abyssal oceanic sediments and fragments of oceanic crust are collected.

Continent-continent convergent boundary-no subduction because the continental lithosphere is too buoyant, continental plates collide and form folded mountains with a lot of deformation, shortening, and thrust faulting, and little volcanism. •.

List of tectonic plate interactions. Tectonic plate interactions are of three different basic types: Divergent boundaries are areas where plates move away from each other, forming either mid-oceanic ridges or rift valleys. These are also known as constructive boundaries. Convergent boundaries are areas where plates move toward each other and collide. These are also known as compressional or destructive boundaries. Subduction zones occur where an oceanic plate meets a continental plate and is pushed underneath it. Subduction zones a

In a subduction zone, the subducting plate, which is normally a plate with oceanic crust, moves beneath the other plate, which can be made of either oceanic or continental crust. During collisions between two continental plates, large mountain ranges, such as the Himalayas are formed. Oceanic-continental.s a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision. This depends on the nature of the plates involved.

What is the definition for convergent boundaries? In plate tectonics, a convergent boundary also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plat … es or fragments of lithosphere move toward one another and collide.onvergent plate boundaries can occur as a continental-continental, continental-oceanic, or oceanic-oceanic crust collision. A continental-continental collisions will typical … ly result in a mountain range formation, such as the Himalayan Mountain Range.

Plate Tectonics. 3.6 Destructive plate boundaries, continued: ocean-continent (Andean type) subduction. When an oceanic plate converges with a continental plate, it is always the ocean plate that subducts beneath the continental plate. Continental lithosphere lies at a higher surface elevation than oceanic lithosphere because of its lower overall density.

1 Convergent Boundaries-A convergent boundary is where two tectonic plates push together. 2  Sometimes one plate will move under the other. 3  This is called subduction. 4  Although the movement is slow, convergent boundaries can be areas of geological activity such as the forming of mountains and volcanoes.

An example of a continental-oceanic subduction zone is the area along the western coast of South America where the oceanic Nazca Plate is being subducted beneath the continental South American Plate.hen one plate is composed of oceanic lithosphere and the other is composed of continental lithosphere, the denser oceanic plate is subducted, often forming an orogenic belt and associated mountain range. This type of convergent boundary is similar to the Andes or the Cascade Range in North America.

Active continental margins - Duration: 9:58. Elena Konstantinovskaya 2,317 views

Florida has, in historic times, “felt” the effects of about two dozen “seismic events”. Many of those events are described in Florida Geological Survey Open File Report Number 40, Earthquake and Seismic History of Florida, available online at: http://ufdc.ufl.edu/UF00001039/00001.arthquakes are also associated with volcanic activity. Florida is situated on the trailing (or passive) margin of the North American Plate while California is located on its active margin. The active margin is bounded by faults that generate earthquakes when there is movement along them.

Note that some plates consist entirely of oceanic lithosphere, whereas some plates consist of both oceanic and continental lithosphere. Also, note that not all plates are the same size (figure above c). Some plate boundaries follow continental margins, the boundary between a continent and an ocean, but others do not.

1 Subduction boundaries occur where oceanic lithosphere is pushed beneath continental or oceanic lithospheres. 2  Where two plates converge at an oceanic trench a subduction boundary is formed as cold oceanic lithospheres are pushed back down into the mantle.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.n example of a continental-oceanic subduction zone is the area along the western coast of South America where the oceanic Nazca Plate is being subducted beneath the continental South American Plate.

Convergent boundary. (Redirected from Convergent fault) In plate tectonics, a convergent boundary, also known as a destructive plate boundary, is a region of active deformation where two or more tectonic plates or fragments of the lithosphere near the end of their life cycle. This is in contrast to a constructive plate boundary (also known as a mid-ocean ridge or spreading center). As a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near destructive boundaries, where subduction zones or an area of continental collision (depending on the nature of the plates involved) occurs.

1 At other convergent boundaries, oceanic plate meets other oceanic plate. 2  This results in an oceanic trench and a chain of volcanic islands known as an island arc. Japan, the Philippines and the Aleutians are examples of island arcs.3  At some convergent boundaries, two continents collide. At some convergent boundaries, oceanic plate meets continental plate. 2  An example of this is the west coast of southern Mexico, Central America and South America. 3  An oceanic trench forms offshore, and a chain of volcanic mountains forms just inland of the coast.

A continental margin that has a broad continental shelf, a gentle continental slope, and a pronounced continental rise is known as a passive continental margin. This type of margin experiences little, if any, volcanic or earthquake activity. The build-up of sediment is the primary activity affecting a passive margin.he continental shelf is the region that extends seaward from the shoreline to a sharp drop-off that marks the beginning of the continental slope. That drop-off is known as the continental shelf break. Continental shelves vary in width from 3 to 930 miles (5 to 1,500 kilometers).

Active continental margins form primarily along the boundaries of plates that are actively converging and where one plate is sinking beneath the other. Active margins mark the continents that border the Pacific Ocean where oceanic plates are subducting beneath continental plates.assive continental margin: A continental margin that has a broad continental shelf, a gentle continental slope, and a pronounced continental rise; it is marked by a lack of earthquake and volcanic activity. Plates: Large sections of Earth's lithosphere separated by deep fault zones.

An active plate margin is an actual plate boundary, where oceanic crust and continental crust crash into each other. Active plate margins are often the site of earthquakes and volcanoes. Oceanic crust created by seafloor spreading in the East Pacific Rise, for instance, may become part of the Ring of Fire, the horseshoe-shaped pattern of volcanoes and earthquake zones around the Pacific ocean basin.

The North American plate also serves to illustrate this difference. The west coast is the active margin, and is the location of earthquakes, volcanoes, and mountains. The Eastern Seaboard is a passive margin, as is the Gulf Coast. These are the low-relief areas of our continent, and are the locations of such exciting places as New Jersey, the Barrier Islands, the swamps of Florida, and the Mississippi delta.

Colliding Plates. Convergent boundary, divergent boundary and transform boundary are the three types of boundaries that form due to plate tectonic movement. Converging plates usually form subduction zones.Subduction zones ring the Pacific Plate causing frequent earthquakes, volcanic eruptions, and tsunamis.ontinental crusts that collide form a convergent boundary also. When two continental crusts collide a large mountain range forms between the two crusts. The Himalayan Mountains are the result of a continental collision between the Indo-Australian Plate and the Eurasian Plate.

1 A single plate may be part oceanic and part continental. 2  In that case, the boundary between ocean crust and continental crust is not a plate boundary. 3  The mobile part of the mantle under the lithosphere is called the asthenosphere. At other convergent boundaries, oceanic plate meets other oceanic plate. 2  This results in an oceanic trench and a chain of volcanic islands known as an island arc. Japan, the Philippines and the Aleutians are examples of island arcs. 3  At some convergent boundaries, two continents collide.

passive continental margins currently exist in the middle of plates, not at plate boundaries. active continental margins form primarily along the boundaries of plates that are actively converging and where one plate is sinking beneath the other. Elizabeth H · 6 years ago. Thumbs up.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.n plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

(February 2016) In plate tectonics, a convergent boundary, also known as a destructive plate boundary, is a region of active deformation where two or more tectonic plates or fragments of the lithosphere near the end of their life cycle. This is in contrast to a constructive plate boundary (also known as a mid-ocean ridge or spreading center).

rating newest oldest best answer an active continental margin is found on the leading edge of the continent where it is crashing into an oceanic plate an excellent example is the west coast of south americaactive margins are commonly the sites of tectonic activity earthquakes volcanoes mountain building and the formation of new igneous rockn excellent example is the west coast of south america active margins are commonly the sites of tectonic activity earthquakes volcanoes mountain building and the formation of new igneous rock

In plate tectonics, a convergent boundary, also known as a destructive plate boundary, is a region of active deformation where two or more tectonic plates or fragments of the lithosphere are near the end of their life cycle. This is in contrast to a constructive plate boundary. As a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near destructive boundaries, where subduction zones or an area of continental collision occurs. The subduct

Passive plate margins endure very little constructive or destructive movement. Active plate margins describe subduction zones and other boundaries where movement is regular and common. Cause of earthquakes.

The most volcanically active belt on Earth is known as the Ring of Fire, a region of subduction zone volcanism surrounding the Pacific Ocean. Subduction zone volcanism occurs where two plates are converging on one another.One plate containing oceanic lithosphere descends beneath the adjacent plate, thus consuming the oceanic lithosphere into the earth's mantle. This on-going process is called subduction.he most volcanically active belt on Earth is known as the Ring of Fire, a region of subduction zone volcanism surrounding the Pacific Ocean. Subduction zone volcanism occurs where two plates are converging on one another.

57. ____________ continental margins occur where oceanic lithosphere is being subducted beneath the edge of a continent. 58. A(n) ____________ is the vast, relatively deep, flat, sediment-covered portion of the deep-ocean basin.

1 Divergent boundaries occur where two plates slide apart from each other.  Convergent boundaries (or active margins) occur where two plates slide towards each other commonly forming either a subduction zone (if one plate moves underneath the other) or an orogenic belt (if the two simply collide and compress).

As fixed costs are incurred regardless of the level of activity the purpose of marginal costing is to determine what contribution is been generated (sales less variable costs). Using the previous example prepare a marginal costing profit statement for the months of May and June.

Fiji is an island arc on the eastern margin of the Australian tectonic plate, one of the most seismically active places in the world. This is due to the convergence of the Australian plate and the Pacific plate. The convergent boundary is over 3000 km long, and extends from Fiji South Island, New Zealand.

Where the plates meet, their relative motion determines the type of boundary: convergent, divergent, or transform. Earthquakes, volcanic activity, mountain-building, and oceanic trench formation occur along these plate boundaries.The lateral relative movement of the plates typically ranges from zero to 100 mm annually. Convergent boundaries (Destructive) (or active margins) occur where two plates slide toward each other to form either a subduction zone (one plate moving underneath the other) or a continental collision.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary, is a region of active deformation where two or more tectonic plates or fragments of the lithosphere are near the end of their life cycle. This is in contrast to a constructive plate boundary (also known as a mid-ocean ridge or spreading center

Some convergent margins have zones of active seafloor spreading behind the island arc, known as back-arc basins. When one plate is composed of oceanic lithosphere and the other is composed of continental lithosphere, the denser oceanic plate is subducted, often forming an orogenic belt and associated mountain range.This type of convergent boundary is similar to the Andes or the Cascade Range in North America.s a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision. This depends on the nature of the plates involved.

Britannica does not currently have an article on this topic. Volcanic activity and the Earth's tectonic plates Stratovolcanoes tend to form at subduction zones, or convergent plate margins, where an oceanic plate slides beneath a continental plate and contributes to the rise of magma to the surface. At rift zones, or divergent margins, shield volcanoes tend to form as two oceanic plates pull slowly apart and magma effuses upward through the gap.

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In a subduction zone, the subducting plate, which is normally a plate with oceanic crust, moves beneath the other plate, which can be made of either oceanic or continental crust. During collisions between two continental plates, large mountain ranges, such as the Himalayas are formed. Oceanic-continental.hen one plate is composed of oceanic lithosphere and the other is composed of continental lithosphere, the denser oceanic plate is subducted, often forming an orogenic belt and associated mountain range. This type of convergent boundary is similar to the Andes or the Cascade Range in North America.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.hen one plate is composed of oceanic lithosphere and the other is composed of continental lithosphere, the denser oceanic plate is subducted, often forming an orogenic belt and associated mountain range. This type of convergent boundary is similar to the Andes or the Cascade Range in North America.

From Wikipedia, the free encyclopedia. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.s a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision. This depends on the nature of the plates involved.

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(February 2016) (Learn how and when to remove this template message) In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

is an actual plate boundary, where oceanic crust and continental crust crash into each other. Active plate margins are often the site of earthquakes and volcanoes. Oceanic crust created by seafloor spreading in the East Pacific Rise, for instance, may become part of the Ring of Fire, the horseshoe-shaped pattern of volcanoes and earthquake

The continental margins along India and Antarctica are other examples of passive margins. A continental margin that has a very narrow, or even nonexistent, continental shelf and a narrow and steep continental slope is known as an active continental margin. Instead of ending in a continental rise, the continental slope of this type of margin often plunges into a deep-ocean trench, which may be filled with sediment.

Ocean‐continent convergence occurs when oceanic crust is subducted under continental crust. This forms an active continental margin between the subduction zone and the edge of the continent. The leading edge of the continental plate is usually studded with steep andesitic mountain ranges.

A subduction zone is formed at a convergent plate boundary when one or both of the tectonic plates is composed of oceanic crust. The denser plate, made of oceanic crust, is subducted underneath the less dense plate, which can be either continental or oceanic crust.s a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision.

When two tectonic plates meet, we get a “plate boundary.” There are three major types of plate boundaries. If two tectonic plates collide, they form a convergent plate boundary. Usually, one of the converging plates will move beneath the other, which is known as subduction. Deep trenches are often formed where tectonic plates are being subducted and earthquakes are common.

An active continental margin refers to the submerged edge of a continent overriding an oceanic lithosphere at a convergent plate boundary by opposition with a passive continental margin which is the remaining scar at the edge of a continent following continental break-up.

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The continental arc is formed at an active continental margin where two tectonic plates meet and a subduction zone develops. The magmatism and petrogenesis of continental crust is complicated: in essence, continental arcs reflect a mixture of oceanic crust materials, mantle wedge and continental crust materials. Volcanic arcs are made of an arc-shaped chain of volcanoes. 2  The position of which could be continental or mid-ocean. 3  While an island arc must be offshore and does not necessarily be volcanic (e.g. Hellenic arc).

1 Convergent Boundaries-A convergent boundary is where two tectonic plates push together. 2  Sometimes one plate will move under the other. 3  This is called subduction. 4  Although the movement is slow, convergent boundaries can be areas of geological activity such as the forming of mountains and volcanoes.he part of the land that is moving is the Earth's surface called the lithosphere. The lithosphere is made up of the Earth's crust and a part of the upper mantle. The lithosphere moves in big chunks of land called tectonic plates. Some of these plates are huge and cover entire continents.

The marginal contribution to a type of risk is the partial derivative of the. risk in question (total risk, active risk, or residual risk) with respect. to the applicable type of portfolio holdings (total holdings, active holdings, or residual holdings).

Compare the continental margins of the Atlantic ocean and the Pacific ocean. In the Atlantic Ocean, thick layers of undisturbed sediment cover the continental margin. There is very little volcanic or earthquake activity. In the Pacific Ocean, oceanic crust is plunging beneath continental crust.

Plate Margins. Divergent Plate Boundaries. Mid-Atlantic Ridge; Triple Junction: The Red Sea/East Africa ; Convergent Plate Boundaries. Oceanic/Continental: The Andes; Continental/Continental: The Himalayas; Oceanic/Oceanic: The Caribbean Islands; Conservative Plate Boundaries. San Andreas Fault; Mid-plate Tectonic Activity . Hawaiian Islands

Subduction boundaries occur where oceanic lithosphere is pushed beneath continental or oceanic lithospheres. Where two plates converge at an oceanic trench a subduction boundary is formed as cold oceanic lithospheres are pushed back down into the mantle.

Share to: The margins for a typical memo are a 1.5 inch left margin, 1 inch right margin, and 1 inch margin at the top and bottom of the paper.

The Ring of Fire is a zone of intense tectonic activity around the edges of the Pacific Ocean. Most of the world's earthquakes and volcanoes occur here as a result of subduction, the sinking of one tectonic plate under another.

Some convergent margins have zones of active seafloor spreading behind the island arc, known as back-arc basins. When one plate is composed of oceanic lithosphere and the other is composed of continental lithosphere, the denser oceanic plate is subducted, often forming an orogenic belt and associated mountain range.

An example of a continental-oceanic subduction zone is the area along the western coast of South America where the oceanic Nazca Plate is being subducted beneath the continental South American Plate.s a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision.

As a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision.he nature of a convergent boundary depends on the type of plates that are colliding. Where a dense oceanic plate collides with a less-dense continental plate, the oceanic plate is typically thrust underneath because of the greater buoyancy of the continental lithosphere, forming a subduction zone.

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2 types of Continental Margins: Active continental margin and Passive continental margin •Active Continental Margin –occur along plate boundaries (where plates are actively moving) –This is where mountain building takes place!! –Ex.) Nazca Plate (oceanic crust) subducting beneath South American Plate (causing mountains to form, earthquake and volcanic activity. (Andes Mountains) •Passive Continental Margin –do not occur along plate boundaries –These are stable margins and accumulate large amounts

The continental arc is formed at an active continental margin where two tectonic plates meet and a subduction zone develops.The magmatism and petrogenesis of continental crust is complicated: in essence, continental arcs reflect a mixture of oceanic crust materials, mantle wedge and continental crust materials.he continental arc is formed at an active continental margin where two tectonic plates meet and a subduction zone develops.

1 A Continental Margin is a boundary between continental crust and oceanic crust. 2  Active continental margins occur along plate boundaries, while passive continental margins occur at the boundary that marks a continent and the oceanic crust. 3  Mountain building takes place along active continental margins only.

56. A(n) ____________ is a volcanic mountain, built up from the seafloor that never reached the sea surface. 57. ____________ continental margins occur where oceanic lithosphere is being subducted beneath the edge of a continent.58. A(n) ____________ is the vast, relatively deep, flat, sediment-covered portion of the deep-ocean basin.(n) ____________ is a volcanic mountain, built up from the seafloor that never reached the sea surface. 57. ____________ continental margins occur where oceanic lithosphere is being subducted beneath the edge of a continent.

As a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision.This depends on the nature of the plates involved.escriptions [edit]. The nature of a convergent boundary depends on the type of plates that are colliding. Where a dense oceanic plate collides with a less-dense continental plate, the oceanic plate is typically thrust underneath because of the greater buoyancy of the continental lithosphere, forming a subduction zone.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.escriptions [edit]. The nature of a convergent boundary depends on the type of plates that are colliding. Where a dense oceanic plate collides with a less-dense continental plate, the oceanic plate is typically thrust underneath because of the greater buoyancy of the continental lithosphere, forming a subduction zone.

best answer an active continental margin is found on the leading edge of the continent where it is crashing into an oceanic platean excellent example is the west coast of south americaactive margins are commonly the sites of tectonic activity earthquakes volcanoes mountain building and the formation of new igneous rockn excellent example is the west coast of south america active margins are commonly the sites of tectonic activity earthquakes volcanoes mountain building and the formation of new igneous rock

Along convergent boundaries, subduction carries plates into the mantle; the material lost is roughly balanced by the formation of new (oceanic) crust along divergent margins by seafloor spreading. In this way, the total surface of the lithosphere remains the same.

Profile illustrating the shelf, slope and rise. The continental margin is the zone of the ocean floor that separates the thin oceanic crust from thick continental crust.Together, the continental shelf, continental slope, and continental rise are called continental margin. Continental margins constitute about 28% of the oceanic area.arthquakes and volcanic eruptions are common on the west coast of North America, but there are no active volcanoes on the east coast and large magnitude earthquakes are rare. Geologists refer to the west coast as (tectonically) active continental margin and the east coast a passive continental margin.

1 The lithosphere is composed of the crust, and some of the upper mantle. 2  Mature oceanic plate is approximately 80-100 km thick, of which, the upper 5-7 km is oceanic crust. 3  Continental plate is somewhat thicker, perhaps 150-200 km thick, and includes continental crust which varies from 5 to 70 km in thickness. At other convergent boundaries, oceanic plate meets other oceanic plate. 2  This results in an oceanic trench and a chain of volcanic islands known as an island arc. Japan, the Philippines and the Aleutians are examples of island arcs. 3  At some convergent boundaries, two continents collide.

When plates collide, earthquakes and volcanic activity occur. In geological time, collisions uplift mountain chains. Canada’s west coast is situated in one of the world’s most active collision zones, where the westbound North American plate overrides the Pacific plate.

Tectonic plates are composed of oceanic lithosphere and thicker continental lithosphere, each topped by its own kind of crust. Along convergent boundaries, subduction, or one plate moving under another, carries the lower one down into the mantle; the material lost is roughly balanced by the formation of new (oceanic) crust along divergent margins by seafloor spreading.

Both passive and active continental margins are located near coastlines. The main difference is that active margins are the main sites where tectonic activity takes place (lik … e earthquakes). This is because the continental shelf of active continental margins collide with an oceanic plate, creating subduction.

The bottom line is that bottled water is not necessarily safer than tap water. We think that FDA should: 1  Have bottled water standards as strict as the EPA's tap water standards; 2  Require bottled water companies to provide the same information to consumers as required for drinking water; and. 3  Set a standard for DEHP.

What is a 'Margin'. Margin is the difference between a product or service's selling price and its cost of production or to the ratio between a company's revenues and expenses. It also refers to the amount of equity contributed by an investor as a percentage of the current market value of securities held in a margin account. Margin is the portion of the interest rate on an adjustable-rate mortgage added to the adjustment-index rate.

1 Convergent boundaries (Destructive) (or active margins) occur where two plates slide toward each other to form either a subduction zone (one plate moving underneath the other) or a continental collision.

Related Links. Provide feedback on this mini-lesson. Volcanoes, earthquakes, and topography reveal whether a continental margin is active or passive. In this activity, students use the GeoMapApp tool to work with earthquake, volcano, and topographic data to identify active and passive margins. 1  Utilize earthquake data to locate subducting slabs.

The most volcanically active belt on Earth is known as the Ring of Fire, a region of subduction zone volcanism surrounding the Pacific Ocean. Subduction zone volcanism occurs where two plates are converging on one another.One plate containing oceanic lithosphere descends beneath the adjacent plate, thus consuming the oceanic lithosphere into the earth's mantle. This on-going process is called subduction.sland arc formed by oceanic-oceanic subduction Volcanic arc formed by oceanic-continental subduction. Island arc formed by oceanic-oceanic subduction. Volcanic arc formed by oceanic-continental subduction. The volcanoes produced by subduction zone volcanism are typically stratovolcanoes.

Active continental margins, i.e., when an oceanic plate subducts beneath a continent, represent about two-thirds of the modern convergent margins. Their cumulated length has been estimated to 45,000 km (Lallemand et al.,

Quick Answer. When tectonic plates collide and form a convergent boundary, their interaction can produce earthquakes, volcanic activity, underwater trenches and mountain formations.

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Subduction of Plates. Because ocean plates are denser than continental plates, when these two types of plates converge, the ocean plates are subducted beneath the continental plates. Subduction zones and trenches are convergent margins. The collision of plates is often accompanied by earthquakes and volcanoes.

In a subduction zone, plate subduction forms a trench and uplift area parallel to the trench and causes igneous activity and earthquakes. Such uplift area is called a volcanic island arc or island arc because it is a curved chain of islands and volcanoes. Volcanic arcs formed on the edge of continent without marginal seas are continental margin arcs.

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Convergent boundary. In plate tectonics, a convergent boundary, also known as a destructive plate boundary, is a region of active deformation where two or more tectonic plates or fragments of the lithosphere near the end of their life cycle. This is in contrast to a constructive plate boundary (also known as a mid-ocean ridge or spreading center).

Tectonics and Landforms Plate Boundaries Along the boundary of the Earth's tectonic plates a fiery drama of catastrophic proportions is played out.Movement of the Earth's crust creates earthquake activity and in some places great outpourings of lava extrude onto the surface. spreading or divergent boundary occurs where plates are moving away (diverging) from one another, like that occuring along the midocean ridge where new crust is formed. Convergent boundaries are located where subduction is active and the lithosphere is being consumed.

the continental margin is the submerged outer edge of a continent it is generally divided into two sections the continental shelf and the continental slope the continental shelf is the region that extends seaward from the shoreline to a sharp drop off that marks the beginning of the continental slope continental margin that has a broad continental shelf a gentle continental slope and a pronounced continental rise is known as a passive continental margin this type of margin experiences little if any volcanic or earthquake activity the build up of sediment is the primary activity affecting a passive margin

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Convergent boundary. From Wikipedia, the free encyclopedia. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

This can take place either in the oceanic crust, in which case the mountains formed are called island arcs, or along continental-oceanic margins. The Aleutian Islands are an example of an island arc, while the Andes range represent mountains formed by the subduction of an oceanic plate under a continental one.

Continental volcanic arcs are associated with what type of plate boundary? already exists. already exists as an alternate of this question. exists and is an alternate of. Do you plan to write a sequel to Salem's Lot? What plate boundary is not associated with volcanic eruptions? What is associated with a continental plate boundary? This type of ...his occurs above rising convection currents. b) Conver … gent Plate Boundaries: Convergent plate boundaries are locations where lithospheric plates are moving towards one another. The plate collisions that occur in these areas can produce earthquakes, volcanic activity and crustal deformation.

Convergent plate boundaries are locations where lithospheric plates are moving towards one another. The plate collisions that occur in these areas can produce earthquakes, volcanic activity and crustal deformation.

The boundary where two plates collide is called a convergent margin. In some cases one plate slides under the other (a process called subduction). Deep earthquakes occur in these regions. Subduction causes melting deep below Earth's surface, and creates pools of magma.he boundary where two plates collide is called a convergent margin. In some cases one plate slides under the other (a process called subduction). Deep earthquakes occur in these regions. Subduction causes melting deep below Earth's surface, and creates pools of magma.

Convergent boundaries are the most geologically active, with different features depending on the type of crust involved. The activity that takes place at convergent boundaries depends on the type of crust involved, as explained next. Oceanic meets continental

Convergent boundary zones are characterized by deep-ocean trenches, shallow to deep earthquakes, and mountain ranges containing active volcanoes. Image: Convergent plates collide into each other In general, where an oceanic and a continental plate collide, the denser oceanic plate will be forced under (subduction) the other.

active volcanoes generally occur close to the major tectonic plate boundaries many are located along the earth s plate boundaries active volcanoes are rare in australia because there are no plate boundaries on this continent

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Active volcanoes generally occur close to the major tectonic plate boundaries. Many are located along the Earth's plate boundaries. Active volcanoes are rare in Australia because there are no plate boundaries on this continent.

•Convergent boundaries – collision boundaries, 2 continents colliding together. –Along Active Continental Margins: the underwater part of continental crust (continental shelf & continental slope)

This resource was reviewed as part of the May 2009 MARGINS Mini-Lesson Workshop. Each activity received verbal feedback from two participants who had reviewed the activity and activity sheet using these guidelines. Authors revised the activities and activity sheets in response to these comments during the workshop.

A volcanic island arc is a chain of volcanoes that forms at a subduction zone, where one oceanic plate slides beneath another. The volcanoes in such an arc will be largely active.

Making the world better, one answer at a time. Passive continental margins are not areas of convergence. There is little volcanic and earthquake activity on passive margins. Active margins are areas of convergence where one plate is descending beneath another. They are associated with volcanic and earthquake activity.

The location where the sinking of a plate occurs is called a subduction zone. A transform boundary is where plates slide past each other with no creation or destruction of lithosphere. Plate Margin Examples There are three general types of plate boundaries: divergent, convergent, and transform.Each general type has multiple ‘species’: divergent boundaries can be spreading ocean ridges or continental rift zones; convergent boundaries can occur between two continental plates.he location where the sinking of a plate occurs is called a subduction zone. A transform boundary is where plates slide past each other with no creation or destruction of lithosphere. Plate Margin Examples There are three general types of plate boundaries: divergent, convergent, and transform.

From Wikipedia, the free encyclopedia. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

What is a Fault-zone? Most high activity seismic zones are located along Fault zones, regions of the earth’s crust which are prone to seismic activity. Fault zones often occur where continental plates meet, but can also be found around volcanoes.

At subduction zones, volcanoes are created on the overriding plate as melt from the subducting plate rises up through the mantle and crust. See the map below. Tectonic map showing active volcanoes, plate boundaries, and the Ring of Fire.

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Destruction (recycling) of crust takes place along convergent Divergent Margins boundaries where plates are moving toward each other, and sometimes one plate sinks (is subducted) beneath another. The location where the sinking of a plate occurs is called a subduction zone. A transform boundary is where plates slide past each other with no creation or destruction of lithosphere. Plate Margin Examples There are three general types of plate boundaries: divergent, convergent, and transform. Each general type has multiple ‘species’: divergent boundaries can be spreading ocean ridges or continental rift zones; convergent boundaries can occur between two continental plates.

Convergent boundary. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

Plate tectonics, or continental drift, which is the study of the Earth's crust, consists of volcanic and seismic activity around its margins that sometimes leads to earthquakes, volcanoes, and development of mountains.

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Reverse faults form because of the process of compression. (d. reverse). Reverse faults are formed when the hanging wall moves up relative to the foot wall. Convergent plate margins occur where tectonic plates come together. Reverse faults are usually formed along these plate margins.

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From Continental Drift to Plate Tectonics 27 crust then moves laterally across the ocean basins. Ultimately, it collideswith continents along their margins (edges), where the ocean crust sinksunderneath, back into Earth's mantle.

When one plate is composed of oceanic lithosphere and the other is composed of continental lithosphere, the denser oceanic plate is subducted, often forming an orogenic belt and associated mountain range. This type of convergent boundary is similar to the Andes or the Cascade Range in North America.s a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision.

Subduction zones occur at collision boundaries where at least one of the colliding lithospheric plates contains oceanic crust .

Sort. 1  Tectonic forces at work: Tectonic forces deform parts of the lithosphere, particularly along plate margins. 2  Deformation may cause a change in orientation, location, and shape of a rock body. 3  When studying deformed rocks, structural geologists typically refer to stress(a force per unit).

Convergent boundary. In plate tectonics, a convergent boundary, also known as a destructive plate boundary, is an actively deforming region where two tectonic plates or fragments of lithosphere move toward one another and collide.n a subduction zone, the subducting plate, which is normally a plate with oceanic crust, moves beneath the other plate, which can be made of either oceanic or continental crust. During collisions between two continental plates, large mountain ranges, such as the Himalayas are formed.

Active and Passive Continental Margins [Part 2] - Duration: 15:15. worldethq 4,279 views

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Lithospheric deformation still occurs at great depths in subduction zones. Earthquakes occur at deeper depths at convergent boundaries because lithospheric deformation still occurs at great depths in subduction zones.

This term is appropriate because the bedrock of the continental margin is the same as the continental plates. From a geological perspective, the continents do not end at the shore, but at the continental rise. At its outer edge, the continental margin merges with the deep-sea floor or gives way to an oceanic trench.

All three margins are seismically active, with volcanic activity at constructive and destructive margins. Some plate margins exhibit features of more than one of the three main types and are known as combined plate margins. See PLATE TECTONICS; and SEA-FLOOR SPREADING.

The North American plate also serves to illustrate this difference. The west coast is the active margin, and is the location of earthquakes, volcanoes, and mountains. The Eastern Seaboard is a passive margin, as is the Gulf Coast.

Convergent boundaries are the place where two tectonic plates converge (i.e. two plates move toward each other). These zones tend to be where compressional stresses are active and this results in thrust or reverse faults being common. Converging plate boundaries are of two types: Subduction boundaries occur where oceanic lithosphere is pushed beneath continental or oceanic lithospheres. Where two plates converge at an oceanic trench a subduction boundary is formed as cold oceanic lithospheres are pushed back down into the mantle.

The Pacific Ocean is surrounded by a hotbed of volcanic activity referred to as the Ring of Fire; an arc of volcanoes formed around its borders. Almost the entire boundary of the Pacific Ocean is a subduction zone; a boundary between two tectonic plates. The volcanoes on the west coast of North America are a result of the Pacific Plate (under the Pacific Ocean) colliding with the North American Plate.

Answers. Best Answer: The great majority of seismicity on the planet occurs at plate boundaries. Where plate pull apart slide by each other or collide, there is tectonic activity manifested as earthquakes. Volcanism is associated with two of the plate boundary types: divergent and convergent margins. Where two plates containing continental crust at their margins collide, there is little or no volcanism (such as at the Himalaya).

Convergent Boundaries — Colliding Plates At convergent boundaries, tectonic plates collide with each other. The events that occur at these boundaries are linked to the types of plates — oceanic or continental — that are interacting. Subduction Zones and Volcanoes. At some convergent boundaries, an oceanic plate collides with a continental plate.

Passive margin. A passive margin is the transition between oceanic and continental lithosphere that is not an active plate margin. A passive margin forms by sedimentation above an ancient rift, now marked by transitional lithosphere. Continental rifting creates new ocean basins.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.s a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision. This depends on the nature of the plates involved.

Active Margins. occur where oceanic lithosphere is being subducted beneath the edge of the continent. the result is a relatively narrow margin that consists of highly deformed sediment that was scraped from the decending lithospheric slab and plastered against the margin of the overriding continent.

A subduction zone is formed at a convergent plate boundary when one or both of the tectonic plates is composed of oceanic crust. The denser plate, made of oceanic crust, is subducted underneath the less dense plate, which can be either continental or oceanic crust.hen one plate is composed of oceanic lithosphere and the other is composed of continental lithosphere, the denser oceanic plate is subducted, often forming an orogenic belt and associated mountain range. This type of convergent boundary is similar to the Andes or the Cascade Range in North America.

the continental margin is the zone of the ocean floor that separates the thin oceanic crust from thick continental crust together the continental shelf continental slope and continental rise are called continental margin continental margins constitute about 28 % of the oceanic areahe continental margin is the zone of the ocean floor that separates the thin oceanic crust from thick continental crust together the continental shelf continental slope and continental rise are called continental margin continental margins constitute about 28 % of the oceanic area

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Converging plate boundaries are of two types: 1  Subduction boundaries occur where oceanic lithosphere is pushed beneath continental or oceanic lithospheres. 2  Where two plates converge at an oceanic trench a subduction boundary is formed as cold oceanic lithospheres are pushed back down into the mantle.arthquakes: tectonic plates. The Earth is formed of four concentric layers that have very different physical and chemical properties: inner core, outer core, mantle and crust. 1  The centre, or inner core, is the hottest part of planet Earth.

The Andes are an example of a continental volcanic arc. Such mountains are produced in part by the volcanic activity that is caused by the subduction of oceanic lithosphere. Figure 11 Oceanic-Continental Convergent Boundary Oceanic lithosphere is subducted beneath a continental plate.igure 15 A transform fault boundary offsets segments of a divergent boundary at an oceanic ridge. Although most transform faults are located within the ocean basins, a few cut through the continental crust. One example is the San Andreas Fault of California.

Two types of continental margins exist: active margins and passive margins. Active margins form primarily along the boundaries of plates that are actively converging. Passive margins currently exist in the middle of plates, not at plate boundaries.

The San Andreas Fault in California is one example. 2. Divergent boundaries occur where two plates slide apart from each other. Mid-ocean ridges (e.g., Mid-Atlantic Ridge) and active zones of rifting (such as Africa's Great Rift Valley) are both examples of divergent boundaries.. Convergent boundaries (or active margins) occur where two plates slide towards each other commonly forming either a subduction zone (if one plate moves underneath the other) or a continental collision (if the two plates contain continental crust). Deep marine trenches are typically associated with subduction zones.

Passive Continental Margins-A passive continental margin occurs in the interior of plate, far away from any plate boundary. Present examples of passive continental margins are the Atlantic coast of North and South America, Europe, and Africa.

If two tectonic plates collide, they form a convergent plate boundary. Usually, one of the converging plates will move beneath the other, which is known as subduction. Deep trenches are often formed where tectonic plates are being subducted and earthquakes are common.

What is the definition for convergent boundaries? In plate tectonics, a convergent boundary also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plat … es or fragments of lithosphere move toward one another and collide.ociety Culture is a system of societal rules and behavior. It has been used to mean the more sophisticated or refined etiquette of a time. Culture is what people believe, ho … w they act and interact, and the way they live.

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1 Sometimes one plate will move under the other. 2  This is called subduction. 3  Although the movement is slow, convergent boundaries can be areas of geological activity such as the forming of mountains and volcanoes. 4  They can also be areas of high earthquake activity.

A convergent boundary (or destructive boundary) is where two plates are moving towards each other -- where they're colliding. The pressure and friction is great enough at these boundaries that the material in the Earth's mantle can melt, and both earthquakes and volcanoes happen nearby.xamples of Convergent Boundaries. The west coast of South America is a convergent boundary between the Nazca plate and the South American plate. The collision of this oceanic and continental plate was how the Andes mountains were formed.

Tectonic Plate Boundaries - Activity and Worksheet In this activity, students must identify and label each of the correct tectonic plate boundaries.

From Wikipedia, the free encyclopedia. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.hen one plate is composed of oceanic lithosphere and the other is composed of continental lithosphere, the denser oceanic plate is subducted, often forming an orogenic belt and associated mountain range. This type of convergent boundary is similar to the Andes or the Cascade Range in North America.

Descriptions [edit]. The nature of a convergent boundary depends on the type of plates that are colliding. Where a dense oceanic plate collides with a less-dense continental plate, the oceanic plate is typically thrust underneath because of the greater buoyancy of the continental lithosphere, forming a subduction zone.s a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision.

TYPES OF CONTINENTAL MARGINS. Continental margins are not all alike, but they are not all different either. There are two basic types. Each one has different characteristics, which are a function of the processes involved in the formation of the two types of margins. The “classic” margin is based on the U.S. East Coast example.

As a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision.This depends on the nature of the plates involved.n a subduction zone, the subducting plate, which is normally a plate with oceanic crust, moves beneath the other plate, which can be made of either oceanic or continental crust. During collisions between two continental plates, large mountain ranges, such as the Himalayas are formed. Oceanic-continental.

Weegy: A heterogeneous mixture is a type of mixture in which the components can be seen, as there are two or more phases present. Weegy: In plate tectonics, a convergent boundary is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

Unique landforms are created at plates margins. There are four types of landforms created at plate margins: fold mountains, ocean trenches, composite volcanoes and shield volcanoes. Fold mountains are created at two types of plate boundary.1  At destructive boundaries: where an oceanic and a continental plate moving together.2  At collision boundaries: where two continental plates moving togther.hield volcanoes are found at constructive plate boundaries. As the two plates move apart magma rises up from the mantle. It then rises up through a vent forming a volcano. 1  Shield volcanoes have a wide base and gently sloping sides.

The places where the destruction takes place are called convergent plate boundaries, or subduction zones. Convergent margins are the boundaries formed when two plates collide and there are three possibilities depending on whether continental or oceanic lithosphere is involved in the process.ivergent Plate Boundaries. The mid-ocean ridges are one of the three basic types of plate boundaries. We call them divergent plate boundaries because the plate material on either side of the margin is spreading apart.

Financial analysis. Email. Meaning and definition of Marginal Analysis. Marginal analysis refers to an evaluation of the additional benefits of an activity contrasted to the additional costs of that activity. Marginal analysis is used by companies as a decision making tool to provide help in increasing the profits.inancial analysis. Email. Meaning and definition of Marginal Analysis. Marginal analysis refers to an evaluation of the additional benefits of an activity contrasted to the additional costs of that activity. Marginal analysis is used by companies as a decision making tool to provide help in increasing the profits.

Identify 2 types of continental margins and the major geologic features associated with each Passive: Where plates move away from each other, creating new crust

Profile illustrating the shelf, slope and rise. The continental margin is the zone of the ocean floor that separates the thin oceanic crust from thick continental crust.Together, the continental shelf, continental slope, and continental rise are called continental margin. Continental margins constitute about 28% of the oceanic area.he transition from continental to oceanic crust commonly occurs within the outer part of the margin, called continental rise. Oceanwards beyond the edge of the rise lies the abyssal plain.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide. The collision between the Australian Plate and the Pacific Plate that formed the Southern Alps in New Zealand. 2  Subduction of the northern part of the Pacific Plate and the NW North American Plate that is forming the Aleutian Islands.

Convergent boundary. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.n a subduction zone, the subducting plate, which is normally a plate with oceanic crust, moves beneath the other plate, which can be made of either oceanic or continental crust. During collisions between two continental plates, large mountain ranges, such as the Himalayas are formed.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide. subduction zone is formed at a convergent plate boundary when one or both of the tectonic plates is composed of oceanic crust. The denser plate, made of oceanic crust, is subducted underneath the less dense plate, which can be either continental or oceanic crust.

In general, the continental shelves bordering active margins are narrower than those along passive margins. The trench marks the deepest seaward termination of the active continental margin. It coincides with the surface trace of the subduction fault marking the boundary between the converging plates.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary, is a region of active deformation where two or more tectonic plates or fragments of the lithosphere are near the end of their life cycle.

A destructive margin where pre-existing crust is destroyed (subduction zones) Found at active continental margins where plates move toward each other and often associated with volcanic activity Turbidity Current Deposit sediment at the base of continental slopes which accumulate, forming graded bedding called deep-sea fans.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.n a subduction zone, the subducting plate, which is normally a plate with oceanic crust, moves beneath the other plate, which can be made of either oceanic or continental crust. During collisions between two continental plates, large mountain ranges, such as the Himalayas are formed. Oceanic-continental.

Convergent boundaries (Destructive) (or active margins) occur where two plates slide toward each other to form either a subduction zone (one plate moving underneath the other) or a continental collision.

Because the subduction zone (which is also the plate boundary) is generally an arc-shape, geologists named those volcanoes volcanic arcs. A volcanic arc built on continental crust is called a continental arc; when built on oceanic crust the volcanoes form an island arc.he continental arc is formed at an active continental margin where two tectonic plates meet and a subduction zone develops.

The overall rate may be extremely slow (one to ten centimeters per year), but the long term effect is a continual re-shaping of the surface of our planet. An active continental margin is found on the leading edge of the continent where it is crashing into an oceanic plate. An excellent example is the west coast of South America. Active margins are commonly the sites of tectonic activity: earthquakes, volcanoes, mountain building, and the formation of new igneous rock.

Convergent boundary. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.onvergent boundary. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

The location where two plates meet is called a plate boundary. Plate boundaries are commonly associated with geological events such as earthquakes and the creation of topographic features such as mountains, volcanoes, mid-ocean ridges, and oceanic trenches. Convergent boundaries (Destructive) (or active margins) occur where two plates slide toward each other to form either a subduction zone (one plate moving underneath the other) or a continental collision.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.s a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision.

Plate margins are of three main types: (a) constructive margins where newly created lithosphere is being added to plates which are moving apart at oceanic ridges; (b) convergent margins which can be either destructive margins, where one plate is carried down into the mantle, beneath the bordering plate, at a subduction zone, or a collision zone, where two island arcs or continents, or an arc and a continent, are colliding; or (c) conservative margins, where two plates are moving in opposite ...

Convergent boundary. In plate tectonics, a convergent boundary, also known as a destructive plate boundary, is an actively deforming region where two tectonic plates or fragments of lithosphere move toward one another and collide.n plate tectonics, a convergent boundary, also known as a destructive plate boundary, is an actively deforming region where two tectonic plates or fragments of lithosphere move toward one another and collide.

Active continental margin: A continental margin that has a very narrow, or even nonexistent, continental shelf and a narrow and steep continental slope that ends in a deep trench instead of a continental rise; it is marked by earthquake and volcanic activity.

An active continental margin is found on the leading edge of the continent where it is crashing into an oceanic plate. An excellent example is the west coast of South America. Active margins are commonly the sites of tectonic activity: earthquakes, volcanoes, mountain building, and the formation of new igneous rock.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

1 A single plate may be part oceanic and part continental. 2  In that case, the boundary between ocean crust and continental crust is not a plate boundary. 3  The mobile part of the mantle under the lithosphere is called the asthenosphere. An oceanic trench forms offshore, and a chain of volcanic mountains forms just inland of the coast. 2  This type of boundary between oceanic crust and continental crust is called an active continental margin since it is a plate boundary. 3  At other convergent boundaries, oceanic plate meets other oceanic plate.

Cases of continental margins that are on or very close to a plate margin. Most continental margins around the Pacific are active. Key characteristics of active continental margins include the activity of volcanoes and earthquakes, narrow continental shelves, large coastal mountains, and much more.

Best Answer: An active margin is a tectonic plate boundary, a passive margin is a compositional transition within a tectonic plate. As you probably know the theory of plate tectonics posits the outer layer of the Earth consist of plates which move relative to each other driven by convection in the Mantle.

1 An oceanic trench forms offshore, and a chain of volcanic mountains forms just inland of the coast. 2  This type of boundary between oceanic crust and continental crust is called an active continental margin since it is a plate boundary. 3  At other convergent boundaries, oceanic plate meets other oceanic plate.

The transition from continental to oceanic crust commonly occurs within the outer part of the margin, called continental rise. Oceanwards beyond the edge of the rise lies the abyssal plain.arthquakes and volcanic eruptions are common on the west coast of North America, but there are no active volcanoes on the east coast and large magnitude earthquakes are rare. Geologists refer to the west coast as (tectonically) active continental margin and the east coast a passive continental margin.

What is the definition for convergent boundaries? In plate tectonics, a convergent boundary also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plat … es or fragments of lithosphere move toward one another and collide.onvergent plate boundaries can occur as a continental-continental, continental-oceanic, or oceanic-oceanic crust collision. A continental-continental collisions will typical … ly result in a mountain range formation, such as the Himalayan Mountain Range.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.n example of a continental-oceanic subduction zone is the area along the western coast of South America where the oceanic Nazca Plate is being subducted beneath the continental South American Plate.

Active continental margins form primarily along the boundaries of plates that are actively converging and where one plate is sinking beneath the other. Active margins mark the continents that border the Pacific Ocean where oceanic plates are subducting beneath continental plates.assive continental margin: A continental margin that has a broad continental shelf, a gentle continental slope, and a pronounced continental rise; it is marked by a lack of earthquake and volcanic activity. Plates: Large sections of Earth's lithosphere separated by deep fault zones.

An active plate margin is an actual plate boundary, where oceanic crust and continental crust crash into each other. Active plate margins are often the site of earthquakes and volcanoes. Oceanic crust created by seafloor spreading in the East Pacific Rise, for instance, may become part of the Ring of Fire, the horseshoe-shaped pattern of volcanoes and earthquake zones around the Pacific ocean basin.

The North American plate also serves to illustrate this difference. The west coast is the active margin, and is the location of earthquakes, volcanoes, and mountains. The Eastern Seaboard is a passive margin, as is the Gulf Coast. These are the low-relief areas of our continent, and are the locations of such exciting places as New Jersey, the Barrier Islands, the swamps of Florida, and the Mississippi delta.

passive continental margins currently exist in the middle of plates, not at plate boundaries. active continental margins form primarily along the boundaries of plates that are actively converging and where one plate is sinking beneath the other. Elizabeth H · 6 years ago. Thumbs up.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.n plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

(February 2016) In plate tectonics, a convergent boundary, also known as a destructive plate boundary, is a region of active deformation where two or more tectonic plates or fragments of the lithosphere near the end of their life cycle. This is in contrast to a constructive plate boundary (also known as a mid-ocean ridge or spreading center).

rating newest oldest best answer an active continental margin is found on the leading edge of the continent where it is crashing into an oceanic plate an excellent example is the west coast of south americaactive margins are commonly the sites of tectonic activity earthquakes volcanoes mountain building and the formation of new igneous rockn excellent example is the west coast of south america active margins are commonly the sites of tectonic activity earthquakes volcanoes mountain building and the formation of new igneous rock

In plate tectonics, a convergent boundary, also known as a destructive plate boundary, is a region of active deformation where two or more tectonic plates or fragments of the lithosphere are near the end of their life cycle. This is in contrast to a constructive plate boundary. As a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near destructive boundaries, where subduction zones or an area of continental collision occurs. The subduct

Passive plate margins endure very little constructive or destructive movement. Active plate margins describe subduction zones and other boundaries where movement is regular and common. Cause of earthquakes.

1 Divergent boundaries occur where two plates slide apart from each other.  Convergent boundaries (or active margins) occur where two plates slide towards each other commonly forming either a subduction zone (if one plate moves underneath the other) or an orogenic belt (if the two simply collide and compress).

Where the plates meet, their relative motion determines the type of boundary: convergent, divergent, or transform. Earthquakes, volcanic activity, mountain-building, and oceanic trench formation occur along these plate boundaries.The lateral relative movement of the plates typically ranges from zero to 100 mm annually. Convergent boundaries (Destructive) (or active margins) occur where two plates slide toward each other to form either a subduction zone (one plate moving underneath the other) or a continental collision.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.hen one plate is composed of oceanic lithosphere and the other is composed of continental lithosphere, the denser oceanic plate is subducted, often forming an orogenic belt and associated mountain range. This type of convergent boundary is similar to the Andes or the Cascade Range in North America.

(February 2016) (Learn how and when to remove this template message) In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

is an actual plate boundary, where oceanic crust and continental crust crash into each other. Active plate margins are often the site of earthquakes and volcanoes. Oceanic crust created by seafloor spreading in the East Pacific Rise, for instance, may become part of the Ring of Fire, the horseshoe-shaped pattern of volcanoes and earthquake

The continental margins along India and Antarctica are other examples of passive margins. A continental margin that has a very narrow, or even nonexistent, continental shelf and a narrow and steep continental slope is known as an active continental margin. Instead of ending in a continental rise, the continental slope of this type of margin often plunges into a deep-ocean trench, which may be filled with sediment.

Ocean‐continent convergence occurs when oceanic crust is subducted under continental crust. This forms an active continental margin between the subduction zone and the edge of the continent. The leading edge of the continental plate is usually studded with steep andesitic mountain ranges.

An active continental margin refers to the submerged edge of a continent overriding an oceanic lithosphere at a convergent plate boundary by opposition with a passive continental margin which is the remaining scar at the edge of a continent following continental break-up.

The continental arc is formed at an active continental margin where two tectonic plates meet and a subduction zone develops. The magmatism and petrogenesis of continental crust is complicated: in essence, continental arcs reflect a mixture of oceanic crust materials, mantle wedge and continental crust materials. Volcanic arcs are made of an arc-shaped chain of volcanoes. 2  The position of which could be continental or mid-ocean. 3  While an island arc must be offshore and does not necessarily be volcanic (e.g. Hellenic arc).

Some convergent margins have zones of active seafloor spreading behind the island arc, known as back-arc basins. When one plate is composed of oceanic lithosphere and the other is composed of continental lithosphere, the denser oceanic plate is subducted, often forming an orogenic belt and associated mountain range.

2 types of Continental Margins: Active continental margin and Passive continental margin •Active Continental Margin –occur along plate boundaries (where plates are actively moving) –This is where mountain building takes place!! –Ex.) Nazca Plate (oceanic crust) subducting beneath South American Plate (causing mountains to form, earthquake and volcanic activity. (Andes Mountains) •Passive Continental Margin –do not occur along plate boundaries –These are stable margins and accumulate large amounts

The continental arc is formed at an active continental margin where two tectonic plates meet and a subduction zone develops.The magmatism and petrogenesis of continental crust is complicated: in essence, continental arcs reflect a mixture of oceanic crust materials, mantle wedge and continental crust materials.he continental arc is formed at an active continental margin where two tectonic plates meet and a subduction zone develops.

1 A Continental Margin is a boundary between continental crust and oceanic crust. 2  Active continental margins occur along plate boundaries, while passive continental margins occur at the boundary that marks a continent and the oceanic crust. 3  Mountain building takes place along active continental margins only.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.escriptions [edit]. The nature of a convergent boundary depends on the type of plates that are colliding. Where a dense oceanic plate collides with a less-dense continental plate, the oceanic plate is typically thrust underneath because of the greater buoyancy of the continental lithosphere, forming a subduction zone.

best answer an active continental margin is found on the leading edge of the continent where it is crashing into an oceanic platean excellent example is the west coast of south americaactive margins are commonly the sites of tectonic activity earthquakes volcanoes mountain building and the formation of new igneous rockn excellent example is the west coast of south america active margins are commonly the sites of tectonic activity earthquakes volcanoes mountain building and the formation of new igneous rock

Both passive and active continental margins are located near coastlines. The main difference is that active margins are the main sites where tectonic activity takes place (lik … e earthquakes). This is because the continental shelf of active continental margins collide with an oceanic plate, creating subduction.

1 Convergent boundaries (Destructive) (or active margins) occur where two plates slide toward each other to form either a subduction zone (one plate moving underneath the other) or a continental collision.

Related Links. Provide feedback on this mini-lesson. Volcanoes, earthquakes, and topography reveal whether a continental margin is active or passive. In this activity, students use the GeoMapApp tool to work with earthquake, volcano, and topographic data to identify active and passive margins. 1  Utilize earthquake data to locate subducting slabs.

Active continental margins, i.e., when an oceanic plate subducts beneath a continent, represent about two-thirds of the modern convergent margins. Their cumulated length has been estimated to 45,000 km (Lallemand et al.,

Convergent boundary. From Wikipedia, the free encyclopedia. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

•Convergent boundaries – collision boundaries, 2 continents colliding together. –Along Active Continental Margins: the underwater part of continental crust (continental shelf & continental slope)

Making the world better, one answer at a time. Passive continental margins are not areas of convergence. There is little volcanic and earthquake activity on passive margins. Active margins are areas of convergence where one plate is descending beneath another. They are associated with volcanic and earthquake activity.

From Wikipedia, the free encyclopedia. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

Convergent boundary. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.

Convergent boundary. In plate tectonics, a convergent boundary, also known as a destructive plate boundary, is an actively deforming region where two tectonic plates or fragments of lithosphere move toward one another and collide.n a subduction zone, the subducting plate, which is normally a plate with oceanic crust, moves beneath the other plate, which can be made of either oceanic or continental crust. During collisions between two continental plates, large mountain ranges, such as the Himalayas are formed.

The North American plate also serves to illustrate this difference. The west coast is the active margin, and is the location of earthquakes, volcanoes, and mountains. The Eastern Seaboard is a passive margin, as is the Gulf Coast.

Convergent boundaries are the place where two tectonic plates converge (i.e. two plates move toward each other). These zones tend to be where compressional stresses are active and this results in thrust or reverse faults being common. Converging plate boundaries are of two types: Subduction boundaries occur where oceanic lithosphere is pushed beneath continental or oceanic lithospheres. Where two plates converge at an oceanic trench a subduction boundary is formed as cold oceanic lithospheres are pushed back down into the mantle.

Answers. Best Answer: The great majority of seismicity on the planet occurs at plate boundaries. Where plate pull apart slide by each other or collide, there is tectonic activity manifested as earthquakes. Volcanism is associated with two of the plate boundary types: divergent and convergent margins. Where two plates containing continental crust at their margins collide, there is little or no volcanism (such as at the Himalaya).

Passive margin. A passive margin is the transition between oceanic and continental lithosphere that is not an active plate margin. A passive margin forms by sedimentation above an ancient rift, now marked by transitional lithosphere. Continental rifting creates new ocean basins.

In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.s a result of pressure, friction, and plate material melting in the mantle, earthquakes and volcanoes are common near convergent boundaries. When two plates move towards one another, they form either a subduction zone or a continental collision. This depends on the nature of the plates involved.

Active Margins. occur where oceanic lithosphere is being subducted beneath the edge of the continent. the result is a relatively narrow margin that consists of highly deformed sediment that was scraped from the decending lithospheric slab and plastered against the margin of the overriding continent.

Two types of continental margins exist: active margins and passive margins. Active margins form primarily along the boundaries of plates that are actively converging. Passive margins currently exist in the middle of plates, not at plate boundaries.

What is the definition for convergent boundaries? In plate tectonics, a convergent boundary also known as a destructive plate boundary (because of subduction), is an actively deforming region where two (or more) tectonic plat … es or fragments of lithosphere move toward one another and collide.ociety Culture is a system of societal rules and behavior. It has been used to mean the more sophisticated or refined etiquette of a time. Culture is what people believe, ho … w they act and interact, and the way they live.