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the solid mineral material forming part of the surface of the earth and other similar planets, exposed on the surface or underlying the soil..
Types of rocks
1. Igneous rocks
2. Sedimentary rocks
3. Metamorphic rocks
There are two types of igneous rocks:
I. 1)Intrusive igneous rocks
II. 2)Extrusive igneous rocks
1.Igneous rocks
There are three basic types of sedimentary rocks.
I. Clastic sedimentary rocks
II. Chemical sedimentary rocks
III. Organic sedimentary rocks
2. Sedimentary rocks
There are two basic types of metamorphic rocks.
I. Foliated metamorphic rocks
II. Non-foliated metamorphic rocks
3. Metamorphic Rocks
Rock cycle
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