lithosphere Flashcards

(10 cards)

1
Q

lithosphere

A

the rigid outer part of the earth, composed of the rocks, soils, minerals and land surface

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2
Q

igneous

A

created when molten magma cools in the upper crust (intrusive) or when lava on the surface crust cools (extrusive) eg granite

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3
Q

crust

A

the outermost layer of the earth, solid and with a thickness of only 100km

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4
Q

mantle

A

the second outermost layer of the earth, the largest at 1500 degrees celsius

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5
Q

outer core

A

second inner most layer of the earth, at 5000 degrees and 2100km thick

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6
Q

inner core

A

innermost layer, the hottest at 7000 degrees celsius however still a solid due to pressure

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7
Q

deundation

A

weathering or erosional processes

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8
Q

uplift

A

geological processes that move rock up to the surface of the crust

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9
Q

magma

A

molton rock from the mantle

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10
Q

lava

A

magma which has made its way onto the earths surface

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