How are rocks formed?

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. Metamorphic rocks result when existing rocks are changed by heat, pressure, or reactive fluids, such as hot, mineral-laden water. Most rocks are made of minerals containing silicon and oxygen, the most abundant elements in the Earth’s crust.

Xanaolmayisipviz Xanaolmayisipviz · Answer 2

Answer:

Rocks are made from stardust; dust blasted out and made from exploding stars.

There are three types of rocks:

Igneous rocks- form when molten rock (magma or lava) cools and solidifies.

Sedimentary rocks- they originate when particles settle out of water or air, or by precipitation of minerals from water. They accumulate in layers.
Metamorphic rocks arise from the transformation of existing rock to new types of rock.

Rocks are formed in many different ways...

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