Igneous Flashcards by James Bond | Brainscape

Q

Phaneritic

A

Granite, diorite, gabbro, peridotite

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Q

Aphanitic

A

Rhyolite, andesite, basalt

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Q

Porphyritic

A

Porphyritic anything

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Q

Vesicular(bubbly)

A

Pumice and scoria

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Q

Glassy

A

Obsidian

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Q

Pyroclastic

A

Any tuff or volcanic breccia

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Q

Felsic

A

Granite, rhyolite, pumice, obsidian

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Q

Intermediate

A

Diorite, andesite,

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Q

Mafic

A

Gabbro, basalt, scoria

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Q

Ultramafic

A

Periodite

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