Question

why the igneous rock called primary rock​

Answer 1

Answer:

Igneous rocks are called primary rocks because they begin the rock cycle. Igneous rocks rocks are referred to as the primary rocks, because they represent the rocks which directly or indirectly provided materials for the formation of other types of rocks.

Answer 2

Answer:

Igneous rocks are called as primary rocks because whenever magma comes to the surface of earth it gets cool down and forms crystalline solid structure or rock called as igneous rocks.

hence, igneous rocks are the base from which other rocks like sedimentary and metamorphic rocks are formed that we called as Rock cycle.