Common Igneous Rocks Flashcards by Kelsey Wilson | Brainscape

Q

Diorite

A

Intermediate composition

Phaneritic texture

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Q

Granite

A

Felsic composition

Phaneritic texture

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Q

Gabbro

A

Mafic composition

Phaneritic texture

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Q

Peridotite

A

Ultra mafic composition

Phaneritic texture

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Q

Rhyolite

A

Felsic composition

Aphanitic texture

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Q

Andesite

A

Intermediate composition

Aphanitic texture

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Q

Basalt

A

Mafic composition

Aphanitic texture

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Q

Komatiite

A

Ultra mafic composition

Aphanitic texture

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Q

Porphyritic

A

Applies to any composition

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Q

Obsidian

A

Felsic composition

Glassy texture

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Q

Pegmatitic

A

Applies to any composition

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Q

Pumice

A

Felsic composition

Vesicular texture

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Q

Scoria

A

Intermediate- mafic composition

Vesicular texture

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Q

Tuff

A

Felsic/intermediate composition

Pyroclastic texture

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