Igneous Rocks Flashcards

0
Q

What does vesicular mean

A

Gas pockets

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1
Q

What are the names for where igneous rocks can form

A

Intrusive ( underground)

Extrusive ( above ground)

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2
Q

What is a mafic rock

A

Dark color
Higher density
Rich in iron and magnesium

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3
Q

What are felsic rocks

A

Light color
Lighter density
Rich in silicon and aluminum

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