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PRERNA FOR IAS
ROCK CYCLE
1. Igneous Rock
Igneous rocks are formed when molten magma or lava cools and solidifies. If cooling occurs beneath the Earth's surface, intrusive igneous rocks such as granite are formed. If lava cools on the surface, extrusive igneous rocks such as basalt are produced. These rocks are usually hard, crystalline, and resistant to erosion. Igneous rocks form the foundation of the Earth's crust and are considered the primary rocks from which other rock types develop. They contain valuable minerals and are widely used in construction. Through weathe
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Learn about the rock cycle: igneous, sedimentary, and metamorphic rocks formation through melting, cooling, heat, and pressure processes.
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