Igneous Rocks Flashcards by Jordan Nemiroff

Q

Phaneretic, quartz and orthoclase

A

Granite

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Q

Porphysitic, Calcium Sodium plagioclase

A

Porphyrtic Andesite

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Q

Light, Olivine, Aphanitic

A

Periodite

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Q

A

Scoria

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Q

Pyroclast, all color indexes, all essential minerals

A

Tuff

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Q

Cools fast

small crystals

A

Extrusive

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Q

Phaneretic, Calcium plagioclase, olivine

A

Gabro

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Q

Cools slow

larger cystrals

A

Intrusive

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Q

Aphanitic, quartz and orthoclase

A

Rhyolite

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Q

Calcium plagioclase, olivine, aphanitic

A

Basalt

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Q

Sodium plagioclase, muscovite, biotite

A

Obsidian

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Q

Light, quartz, orthoclase, vesicular

A

Pumice

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Q

A

Diorite

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