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  Encyclopedia of Keywords > Events > Earthquakes > Plate Tectonics > Oceanic Crust > Subducted   Michael Charnine

Keywords and Sections
ACTIVE
ATLANTIC
YOUNGER
HEAD-ON
ROCK DENSITY
CONTINENTAL MARGINS
ARC MAGMATISM
ISACKS
AUSTRALIAN PLATE
SEAFLOOR SPREADING
OCEAN CRUST
ISLAND ARCS
ISLAND ARC
RAPIDLY SUBDUCTED
SUBDUCTED CREATING OCEANIC TRENCHES
CONVERGENT BOUNDARY
CONVERGENT BOUNDARIES
TRENCHES FORM
SUBDUCTED SLABS
OCEANIC TRENCH
CARIBBEAN PLATE
DENSER PLATE
SUBDUCTED BACK
SUBDUCTED OCEANIC CRUST
MEANS
RESULTING
COLD
FLOOR
AREAS
EAST
JAPAN
THOUGHT
PORTION
DIFFICULTY
DISTRIBUTION
FIGURE
MARIANA TRENCH
NOWHERE
EDGE
TIME
UNDERNEATH
MID-OCEAN RIDGE
RIDGE
ARC
COCOS PLATE
PACIFIC OCEAN
Review of Short Phrases and Links

    This Review contains major "Subducted"- related terms, short phrases and links grouped together in the form of Encyclopedia article.

Active

  1. Still active in Hawaii, the chain stretches to the Kamchatsky Peninsula where they are subducted with the plate.
  2. Frontal erosion is most active in the wake of seamounts being subducted beneath the forearc. (Web site)

Atlantic

  1. Only a small portion of the oceanic crust produced in the Atlantic is subducted. (Web site)

Younger

  1. When two oceanic plates collide, the older oceanic plate is subducted under the younger.

Head-On

  1. When two continents meet head-on, neither is subducted because the continental rocks are both relatively light. (Web site)

Rock Density

  1. Because both these continental landmasses have about the same rock density, one plate could not be subducted under the other.

Continental Margins

  1. Slabs of oceanic crust broke loose and subducted along continental margins.
  2. Accretionary orogens form along continental margins where oceanic lithosphere is subducted. (Web site)

Arc Magmatism

  1. The Resurrection plate was first modeled to be completely subducted by 50 Ma to explain the shutoff of arc magmatism in British Columbia at ca. (Web site)

Isacks

  1. The subducting Nazca Plate, which exhibits unusual flat-slab subduction, is tearing as well as deforming as it is subducted (Barzangi and Isacks).

Australian Plate

  1. The spreading ridge pushing the small Solomon Sea Plate and the Australian Plate apart is being subducted beneath the Pacific Plate. (Web site)
  2. The earthquakes form this pattern occur where the Pacific Plate is being subducted under the Australian Plate. (Web site)

Seafloor Spreading

  1. Preexisting old thick highland crust was subducted, while seafloor spreading produced thin lowland crust during Late Noachian and Early Hesperian time.

Ocean Crust

  1. Because seafloor spreading will continue, ocean crust will be subducted beneath the supercontinent. (Web site)

Island Arcs

  1. The Briançonnais microcontinent and Valais Ocean (with island arcs) subducted beneath the Apulian plate. (Web site)

Island Arc

  1. On the ocean side of the island arc is a deep trench where the subducted plate sinks below the subducting plate.

Rapidly Subducted

  1. The low temperature is because cool surface rocks are rapidly subducted and do not have time to heat up. (Web site)
  2. Here cold oceanic crust and sediment is rapidly subducted. (Web site)

Subducted Creating Oceanic Trenches

  1. Effects Volcanic activity Oceanic plates are subducted creating oceanic trenches. (Web site)

Convergent Boundary

  1. The Andes lie at a convergent boundary where oceanic lithosphere is being subducted under the South American continent.
  2. Vesuvius is a stratovolcano at the convergent boundary where the African Plate is being subducted beneath the Eurasian Plate. (Web site)

Convergent Boundaries

  1. Occasionally in convergent boundaries, two continental land masses on the opposing plates end up colliding when all of the oceanic crust is subducted.
  2. Three possible kinds of convergent boundaries: Oceanic-Oceanic Boundary - One plate is subducted, initiating andesitic ocean floor volcanism on the other.

Trenches Form

  1. Trenches form where oceanic lithosphere is subducted at a convergent plate margin, presently at a global rate of about a tenth of a square metre per second.

Subducted Slabs

  1. Slab-pull is believed to be the dominant mechanism, and refers to the gravitational subsidence of subducted slabs. (Web site)

Oceanic Trench

  1. Consequently, most oceanic crust is subducted easily at an oceanic trench. (Web site)

Caribbean Plate

  1. The deepest point in the Atlantic, the trench marks the location where the North American plate is being subducted beneath the Caribbean Plate. (Web site)
  2. The North American Plate is being subducted by the Caribbean Plate to the southeast of the trench. (Web site)

Denser Plate

  1. One of the plates -- the older, cooler and denser plate, typically -- is subducted beneath the other, and plunges into the mantle.

Subducted Back

  1. The oceanic plate is subducted back into the mantle, thus destroying oceanic crust, to balance the crust being produced at the mid oceanic ridges. (Web site)
  2. This lower density material tends to stay within the crust and not be subducted back into the mantle.
  3. In the ocean basin to the left, the plate is subducted back into the asthenosphere.

Subducted Oceanic Crust

  1. Water in the subducted oceanic crust "boils off" from the slab by dehydration of hydrated minerals such as amphibole, zeolites, and chlorite.
  2. Partial melting of the subducted oceanic crust gives rise to andesitic volcanism parallel to the subduction zone.

Means

  1. One plate is subducted, which means it is pushed under another lithospheric plates into the underlying earth's mantle.

Resulting

  1. Here, the Atlantic Plate is being subducted below the Antarctic Plate, resulting in the formation of the volcanic South Sandwich Islands.

Cold

  1. Slab-pull occurs where cold, dense oceanic lithosphere is subducted and pulls the trailing lithosphere along.

Floor

  1. As it moved north, the floor of the Paleo-Tethys subducted under Laurasia and Cimmeria eventually collided with Laurasia, first at its western end c.

Areas

  1. Oceanic crust is destroyed at areas where this crust type becomes subducted under lighter continental crust. (Web site)

East

  1. In contrast, the subducted plate boundary lies east of and oblique to the Northern Colima and Central Colima grabens. (Web site)

Japan

  1. This type of faulting is common in areas of compression, such as regions where one plate is being subducted under another as in Japan. (Web site)

Thought

  1. The magmas that form porphyry copper deposits are thought to be generated by the melting of subducted oceanic crust.

Portion

  1. The subducted portion of the Resurrection plate has foundered into the mantle since 39 Ma. (Web site)

Difficulty

  1. Continental crust is subducted with difficulty, if at all. (Web site)

Distribution

  1. The distribution implies that 200 to 250 km of oceanic crust was subducted at the north Sulawesi trench.

Figure

  1. Figure 1 Taconic land rides up on Laurentia while the crust of Laurentia is partially subducted below the island arc.
  2. The San Andreas Fault developed beginning in the Mesozoic when a ridge separating the two plates was subducted (see figure 20.21 in your text).

Mariana Trench

  1. The Pacific Plate is being subducted under the Eurasian and Philippine Plates, the latter subduction zone forming the Mariana Trench. (Web site)

Nowhere

  1. On the other hand, some of the world's largest tectonic plates such as the North American Plate are in motion, yet are nowhere being subducted.

Edge

  1. Where they meet, the oceanic plate dives, or is subducted under the edge of the continent along the Cascadia Subduction Zone. (Web site)
  2. As the ocean closed, the edge of Avalonia was subducted beneath Laurentia and partly melted forming magmas. (Web site)

Time

  1. Not all of the oceanic plate was being subducted during that time, however. (Web site)
  2. Over time, great slabs of oceanic crust were pulled down, or subducted, into the Earth's mantle. (Web site)
  3. However, at the time of its formation the volcanic belt may have been coincident with the subducted plate boundary.

Underneath

  1. An oceanic trench is found where the denser plate is subducted underneath the other plate.
  2. Basically, as Africa moved north, the European continent was subducted underneath it.

Mid-Ocean Ridge

  1. In this scenario, a mid-ocean ridge between South America and Africa will probably be subducted first. (Web site)

Ridge

  1. Most of the ridge and all the crust on the other side of it has been subducted beneath North America. (Web site)

Arc

  1. The presence of this arc indicates that oceanic lithosphere is being subducted beneath the North American continent.

Cocos Plate

  1. Southern Mexico's Pacific coast from Jalisco to Oxaca is the site of the Middle American Trench where the Cocos Plate is being subducted. (Web site)

Pacific Ocean

  1. On the other side of the Pacific Ocean, near Japan, the Pacific plate is being subducted, or consumed under, the oceanic arc systems found there. (Web site)

Categories

  1. Events > Earthquakes > Plate Tectonics > Oceanic Crust
  2. Plate
  3. Trench
  4. Events > Earthquakes > Plate Tectonics > Continental Crust
  5. Places > Earth > Geology > Lithosphere

Related Keywords

    * Andes * Asthenosphere * Beneath * Buoyant * Collision * Continent * Continental * Continental Crust * Continental Lithosphere * Continental Plate * Continental Plates * Continents * Convergent Plate Boundaries * Crust * Dense * Earth * Earthquakes * Eastern Side * Eurasian Plate * Farallon Plate * Form * Fuca Plate * Further West * Juan * Leading Edges * Lithosphere * Mantle * Material * Melt * Nazca Plate * North * North American Plate * Obducted * Ocean * Oceanic Crust * Oceanic Lithosphere * Oceanic Plate * Oceanic Plates * Ocean Floor * Ocean Trenches * Pacific * Pacific Plate * Pangea * Planet * Plate * Plates * Plate Tectonics * Process * Recycled * Rocks * Sediment * Sediments * Slab * South American Plate * Subducted Beneath * Subducted Lithosphere * Subducted Plate * Subducted Slab * Subduction * Subduction Zone * Subduction Zones * Surface * Tectonic Plate * Tectonic Plates * Thrust * Trench * Trenches * Volcanoes
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  Short phrases about "Subducted"
  Originally created: April 04, 2011.
  Links checked: April 08, 2013.
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