Question

why is igneous rocks called primary rocks​

Answer 1

Igneous rocks are created from the cooling of molten magma/lava. All other rocks are derived from them. Because they form the basis of formation of other types of rocks, igneous rocks are known as the primary rocks

Answer 2

Answer:

As igneous rocks are formed from magma and begin the rock cycle, they are called primary rocks.

Explanation:

Igneous rocks are created from the cooling of molten magma/lava. All other rocks are derived from them, which is why you will also find them referred to as parent rocks on occasion.

  Igneous rock. From there, all other manner of rocks can be made.

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