Igneous rock definitions Flashcards

1
Q

Intrusive (plutonic)

A

when magma stalls in the crust

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2
Q

Extrusive (volcanic)

A

when magma erupts from a volcano

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3
Q

Magma

A

melt (usually silica) produced by partial melting in the interior of the planet

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4
Q

Lava

A

when erupted at the surface

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5
Q

Igneous rock

A

aggregate of the minerals and/or glass formed by cooling and crystallization of magma

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6
Q
A
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