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Basalt is considered igneous because it forms when mafic lava cools at Earth's surface.

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10y ago

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Is basalt metamorphic?

Yes. Basalt is an extrusive mafic igneous rock.


Is basalt a igneous metamorphic or sedimentary rock?

Basalt is an extrusive igneous rock.


You find a volcanic rock that is fairly smooth and only has a few small holes made when gas and water vapor escaped as the rock cooled you know that the rock can be classified as?

The volcanic rock can be classified as basalt. Basalt is a fine-grained igneous rock that forms from the solidification of lava flows. The smooth texture and small holes, known as vesicles, are characteristic features of basalt.


Is igneous rock granite or basalt?

Both granite ans basalt are types of 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.


What is an igneous rock with small crystals?

If you're not looking for anything specific, any extrusive igneous rock will have smaller crystals, if any at all. This is because they cool quickly on the surface, leaving little time for crystals to form/grow.


What is the igneous rock between granite and basalt?

Andesite is considered an intermediate rock between granite (felsic igneous rock) and basalt (mafic igneous rock), based on chemical composition.


Is basalt igneous sedimentary metamorphic?

Basalt is an igneous rock . . . it is pretty much hardened lava.


Is basalt a sedimentry rock?

no because it is an igneous rock


What rock form from molten?

Rocks formed from solidified molten rock are classified as igneous rock. Examples would be basalt, granite, gabbro, pumice, obsidian, and rhyolite.


What was the basalt and igneous rock formed by?

Basalt and igneous rocks were formed by what we would call magma/lava


What is the most extrusive igneous rock?

Basalt is the most common extrusive igneous rock.