Define igneous rocks? Write all the types of Igneous rock
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Igneous rock:
When molten magma cools down and compresses to form rock is called igneous rock.
Types of Igneous rock:
1.Instructive rock
2.Extructive rock
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Igneous rocks- When the molten magma cools, it becomes solid. Rocks thus formed are
called igneous rocks. Eg: Granite.
The 2 types of igneous rocks are--- intrusive and extrusive rocks
Intrusive-- They are formed from magma that cools and solidifies within the crust of the planet.
Extrusive- rocks are formed on the surface of the Earth from lava, which is magma that has emerged from underground
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