Question

what are the various types of igneous rocks based on their origin​

Answer 1

Answer:

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There are two main types of igneous rocks:

1) Plutonic/ (Intrusive) rocks:- It is formed by solidification of molten rock deep within the earth.

2) Volcanic /(Extrusive) rocks: It solidifes to from molten rock erupted to the surface.

Igneous rocks are classified on the basis of their composition and their texture.

Answer 2

Answer:

Igneous rocks are formed from lava or magma. Magma is molten rock that is underground and lava is molten rock that erupts out on the surface. The two main types of igneous rocks are plutonic rocks and volcanic rocks. Plutonic rocks are formed when magma cools and solidifies underground.