Question

what are the formation of rocks? Explain each of them with example.​

Answer 1

Answer:

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There are three kinds of rock: igneous, sedimentary, and metamorphic. Igneous rocks form when molten rock (magma or lava) cools and solidifies. Sedimentary rocks originate when particles settle out of water or air, or by precipitation of minerals from water. They accumulate in layers.

Answer 2

Answer:

There are three kinds of rock: igneous, sedimentary, and metamorphic. Igneous rocks form when molten rock (magma or lava) cools and solidifies. Sedimentary rocks originate when particles settle out of water or air, or by precipitation of minerals from water. They accumulate in layers.

Example-

Metamorphic rocks are formed under the surface of the earth from the metamorphosis (change) that occurs due to intense heat and pressure (squeezing). ... Examples of this rock type include gneiss and marble. Igneous. Igneous rocks are formed when magma (molten rock deep within the earth) cools and hardens.

A rock is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition and the way in which it is formed. ... Rocks are usually grouped into three main groups: igneous rocks, sedimentary rocks and metamorphic rocks.