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How are rocks classified as igneous rocks?

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A rock is considered igneous if it formed directly from the cooling of molten rock.
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How are igneous rocks classified?

Igneous rocks are generally classified first on the basis of theirformation (and therefore their texture) as intrusive or extrusive.Intrusive rocks are solidified from magma u

What are igneous rocks classified into?

Igneous rocks  The term igneous comes from the Latin ignis, meaning "fire". Igneous is used to describe rocks that crystallize out of hot molten material in the Earth called

Igneous rock are classified based upon their?

There are two types of igneous rocks; intrusive and extrusive. Intrusive igneous rocks are formed underneath the earth's surface from magma where it cools slower and develops

How do igneous rocks form and how are they classified?

Igneous rocks are formed by the cooling of lava (above Earth's surface) or magma (below). Rocks in general are classified by their mineral composition, texture, and origin. Ig