Volcanoes (not needed) Flashcards

1
Q

Asthenosphere

A

The upper layer of the mantle prone to melting

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2
Q

Benioff zone

A

The zone of subducting plate prono to earthquakes

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3
Q

Continental crust

A

Layer of the earths surface supporting continents

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4
Q

Convection currents

A

Rising heat and rock in the mantle

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5
Q

Convergence

A

The coming together of 2 plates

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6
Q

Divergence

A

The moving apart of 2 plates

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7
Q

Lithosphere

A

Layer of the upper mantle that are made up of both mantle and crust

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8
Q

Mantle

A

The largest section of the Earth structure, found between the core and crust

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9
Q

Mantle Wedge

A

The area of the mantle above the subducting plate and below the lighter plate

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10
Q

Oceanic Crust

A

Layer of the Earth’s surface supporting ocean

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11
Q

Ridge Push

A

The process of plate movement caused by the creation of new rock at a divergent boundary

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12
Q

Slab Pull

A

The main reason for plate movement caused by the subducting plate and gravity

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13
Q

Subduction

A

The process by which the denser plate sinks beneath the lighter plate

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14
Q

Volatiles

A

The release of gases and water from the ocean crust into the mantle wedge

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