Rocks

All you need to know about different kinds of rocks.

Igneous,Sedimentary,and Metamorphic rocks are the 3 main types of rocks.Granite would be a type of Igneous rock, and so would the Pumice rock.2 types of Sedimentary rocks would be Limestone and Coal.Marble and Slate are types of Metamorphic rocks.Igneous rock is formed from the cooling of magna,inside or on top of Earths surface.Sedimentary rocks are formed from the products of weathering by cementation or precipitation on the Earths surface.And last but not least, the metamorphic rock.It is formed from temperature and pressure changes inside the Earth.

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