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Which characteristic provides the best evidence that obsidian rock formed in an extrusive environment?

Updated: 4/28/2022

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∙ 12y ago

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noncrystalline glassy texture

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∙ 12y ago

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Q: Which characteristic provides the best evidence that obsidian rock formed in an extrusive environment?

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A glassy fine grained extrusive rock?

Obsidian

What is a glassy fine-graind extrusive rock?

obsidian

Is obsidian intrusive or extrusive rock?

Obsidian is intrusive because it was cooled below the ground.

What type of extrusive rock can be easily mistaken for glass?

Obsidian

How is granite different from scoria pumice and obsidian?

granite is extrusive rock

Related questions

Is obsidian extrusive rock?

No. Obsidian is volcanic glass. Glass is amorphous and thus noncrystalline.

Is Obsidian an extrusive rock or intrusive rock?

Yes it is extrusive love yall

Where is Obsidian?

Obsidian is a naturally occurring glass formed as an extrusive igneous rock

What is a glassy grained extrusive rock?

Obsidian.

What is the obsidian rock type?

Obsidian is an extrusive felsic igneous rock.

A glassy fine grained extrusive rock?

Obsidian

Is obsidian a intrusive or extrusive rock?

it is A instrsive! lol

What is a glassy fine-graind extrusive rock?

obsidian

What is an example of an extrusive igneous rock?

Basalt and rhyolite are examples of extrusive igneous rocks. Also, pumice, scoria, obsidian, tuff, ignimbrite,....

Is obsidian a intrusive or extrusive igneous rock?

Andesite is considered an extrusive igneous rock.

Is obsidian intrusive or extrusive rock?

Obsidian is intrusive because it was cooled below the ground.

What type of extrusive rock can be easily mistaken for glass?

Obsidian

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