Rock exam Flashcards by Cameron Brown

Q

aphanitic

A

Extrusive, cannot see crystals

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Q

Phaneritic

A

Intrusive, can see crystals (coarse grained)

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Q

Pegmatitic

A

Exceptionally large crystals (intrusive)

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Q

Porphritic

A

Both large and small crystals

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Q

Mafic

A

Dark in colour (Magnesium, iron)

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Q

Felsic

A

Light in colour (Feldspar, silica)

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