Question

what are Igneous rocks Explain the difference
types of igneous rocks​

Answer 1

Answer:

Explanation:

Igneous rock, or magmatic rock, is one of the three main rock types, the others being sedimentary and metamorphic. Igneous rock is formed through the cooling and solidification of magma or lava. The magma can be derived from partial melts of existing rocks in either a planet's mantle or crust

The two main categories of igneous rocks are extrusive and intrusive. Extrusive rocks are formed on the surface of the Earth from lava, which is magma that has emerged from underground. Intrusive rocks are formed from magma that cools and solidifies within the crust of the planet

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Answer 2

Igneous rocks: When the molten magma cools, it becomes solid. Rocks formed in this way are called  igneous rocks. They are also called primary rocks. They are of two types—intrusive rocks and extrusive  rocks.

Igneous rocks are formed by the cooling of lava.

1. When the lava cools down on the crust it forms extrusive  igneous rock for example basalt. They have grained structure.
2. Sometimes when it cools down deep inside the crust it forms intrusive igneous rocks. They have large  grains for example Granite. Grinding stones are made of granite.