Igneous Rock Flashcards by Ashley Kalbrunner | Brainscape

Q

A

Scoria

Texture: Vesicular

Mineral Category: Mafic

Mode of Occurance: Extrusive, fast cooling rate

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Q

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Granite

Texture: Phaneritic

Mineral Category: Felsic

Mode of Occurance: Intrusive, slow cooling rate

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Q

A

Rhyolite Porphyry

Texture: Aphanetic with phenocrysts

Mineral Category: Felsic

Cooling Rate: Mixed

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Q

A

Basalt

Texture: Aphanetic

Mineral Category: Mafic

Mode of Occurance: Extrusive, fast cooling rate

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Q

A

Pumice

Texture: Vesicular

Mineral Category: Volcanic Glass

Mode of Occurance: Extrusive, fast cooling rate

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Q

A

Vesicular Basalt

Texture: Vesicular

Mineral Category: Mafic

Mode of Occurance: Extrusive, fast cooling rate

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Q

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Gabbro

Texture: Phaneritic

Mineral Category: Mafic

Mode of Occurance: Intrusive, slow cooling rate

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Q

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Obsidian

Texture: Glassy

Mineral Category: Volcanic glass

Mode of Occurance: Extrusive, fast cooling rate

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Q

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Diorite

Texture: Phaneritic

Mineral Category: Intermediate

Mode of Occurance: Intrusive, slow cooling rate

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Q

A

Granite Porphyry

Texture: Phaneritic with phenocrysts

Mineral Category: Felsic

Mode of Occurance: Intrusive, mixed cooling rate

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