what are rocks made of name the three main type of rock
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Rocks are usually grouped into three main groups:
Igneous rocks,Metamorphic rocks and Sedimentary rocks. Rocks form the Earth's outer solid layer, the crust. Igneous rocks are formed when magma cools in the Earth's crust, or lava cools on the ground surface or the seabed.
Igneous rocks,Metamorphic rocks and Sedimentary rocks. Rocks form the Earth's outer solid layer, the crust. Igneous rocks are formed when magma cools in the Earth's crust, or lava cools on the ground surface or the seabed.
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Rock is an assemblage of minerals. There are three types of rocks 1 Sedimentary rocks 2. Igneous rocks 3. Metamorphic rocks
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