Applied igneous rock textures Flashcards by Keioni Unknown

Q

What is the texture of obsidian?

A

Glassy with conchoidal fracture

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Q

What is the texture of pumice?

A

Vesicular

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Q

What is the texture rhyolite?

A

Flow banded

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Q

What is the texture of granite and microgranite?

A

Porphyritic

Equigranular

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Q

What is the texture of andesite?

A

Vesicular

Amygdaloidal

Porphyritic

Equigranular

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Q

What is the texture of intermediate pumice?

A

Equigranular or porphyritic

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Q

What is the texture of basalt?

A

Vesicular

Amygdaloidal

Porphyritic

Equigranular

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Q

What is the texture of dolerite?

A

Porphyritic

Equigranular

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Q

What is the texture of gabbro?

A

Equigranular

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