Question

Why is the Igneous rocks also known as Primary rocks ? What do you know about igneous rocks ?

Answer 1

Answer:

Igneous Rocks. Of the three principal rock types (igneous, sedimentary, and metamorphic), igneous rocks can be thought of as "primary" rocks because they crystallize from a liquid. Sedimentary and metamorphic rocks, which we will study later, may be thought of as derivative rocks.

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Answer 2

Answer:

Igneous rocks are known as Primary rocks as they are formed through the cooling and solidification of magma or lava.