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Which rock am igneous extrusive black?

Anonymous

∙ 16y ago

Updated: 8/17/2019

Basalt, pumice, and obsidian are all extrusive igneous rocks which can appear as black rock.

Wiki User

∙ 16y ago

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Related Questions

What is a black intrusive rock with small crystals?

Intrusive rock normally has visible crystals. Extrusive igneous rock has small crystals. A black extrusive igneous rock with small crystals could be basalt.

What is the most extrusive igneous rock?

Basalt is the most common extrusive igneous rock.

What kind of rock is formed after a volcano erupts?

Extrusive igneous rock such as basalt, rhyolite, pumice, and obsidian.

Is obsidian a intrusive or extrusive igneous rock?

Andesite is considered an extrusive igneous rock.

Which is not a common extrusive igneous rock?

There are so many rocks that can be classified as not a common extrusive igneous rock. The most common extrusive igneous rock is basalt. Extrusive rocks are formed as a result of lava solidifying.

Is pumice an igneous rock?

YES! It is an extrusive Igneous rock

Is schist an intrusive or extrusive rock?

Neither, Igneous rock is either intrusive or extrusive. Thats what intrusive and extrusive is... A igneous rock.

Is tuff an extrusive igneous rock?

Yes. Tuff is an extrusive igneous rock formed by explosive volcanic eruptions.

Lava cools to form?

Extrusive igneous rock.

Is basalt a igneous metamorphic or sedimentary rock?

Basalt is an extrusive igneous rock.

What does extrusive rock means?

Extrusive igneous rock is one of two different types of igneous rocks. The other kind is intrusive igneous rock. Intrusive igneous rock is formed when magma in Earth's lithosphere cools and hardens. Extrusive igneous rock is formed when lava on Earth's surface cools and hardens.

When molten rock undergoes crystallization above ground what type of rock results?

Extrusive igneous rock is the result of above ground crystallization.

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