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kirza4 [7]
3 years ago
6

Which describes a feature of extrusive igneous rocks after formation?

Biology
1 answer:
timurjin [86]3 years ago
4 0

Answer:

Have a fine texture.

Explanation:

Extrusive igneous rocks are formed as a result of magma moving from depth within the earth to the surface, where it cools down as lava.

The major feature of exclusive igneous rock is it's fine texture and this is as a result of it's cooling either slowly or quickly depending on its chemical composition.

When it cools quickly, the minerals don't have much time to grow making it to have a fine grained texture or glassy texture.

But if it cool slowly, it allow large crystals to form.

So quick cooling, allow the formation of small crystals which give it's fine texture.

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