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What kind of rocks are igneous rocks?

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Igneous rocks are those that have solidified from molten rock, such as pumice, granite, basalt, obsidian, rhyolite.
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What kind of rocks are igneous rock?

As soon as magma or lava hardens, it would be classified as an igneous rock.

What are 4 kinds of igneous rocks?

Examples of igneous rock are pumice, basalt, rhyolite, and granite.

How many kinds of igneous rocks are there?

There are two classifications of igneous rocks: extrusive, those formed on the surface, and intrusive, those formed underground. The most common igneous rock is basalt, follow

What are four kinds of igneous rocks?

Four examples of igneous rocks are pumice, granite, basalt, and obsidian.

What kind of igneous rock is obsidian?

Obsidian is an extrusive felsic volcanic glass.

What is an example of a kind of igneous rock?

Any rock that erupted on (lava) or within the Earth or crystallized  from molten rock (magma). Such rock would fall into two categories:  Intrusive (crystallized within the