Question

Classify igneous rocks based on their origin and give example of each? ( Answer for 5 Mark's).​

Answer 1

Answer:

1) Igneous rocks may be divided into two categories.

2) Intrusive or plutonic rocks crystallize from magma beneath the earth's surface.

3) Extrusive or volcanic rocks crystallize from lava at the earth's surface.

4) In addition to texture, igneous rocks may are classified according to their chemical composition.

Answer 2

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. ... In addition to texture, igneous rocks may are classified according to their chemical composition.