Question

Name the types of igneous rocks on the basis of origin​

Answer 1

Answer:

Igneous rocks may be divided into two categories. Intrusive or plutonic rocks crystallize from magma beneath the earth's surface. Extrusive or volcanic rocks crystallize from lava at the earth's surface.

Answer 2

Answer:

on the basis of origin igneous rocks are of two types :-

extrusive

intrusive

Explanation:

• extrusive igneous rocks are formed from cooling of Lava on the earth surface .
• intrusive igneous rocks is formed by the cooling of magma inside the Earth surface

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