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The Rock Cycle

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Keisha Hollimo

on 3 April 2014

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Transcript of The Rock Cycle

The Rock Cycle
rock formed by the solidification of molten magma
Intrusive- Are formed underground and show generally large crystals
Extrusive- Are formed above ground and show little to no crystals at all
Textures- They are identified from rough to smooth
Igneous Rocks
Metamorphic Rocks
Metamorphic Rock
Clastic sedimentary rock are made of fragments or rock cemented together by mineral.
Sedimentary Rocks
Sedimentary Rock is formed by weathering, erosion and deposition. The weathering actually breaks down the rock in chemical physical. Erosion moves the rock to different places. Deposition is the geological process by which sediments, soil, and rocks are added to a land.
Chemical sedimentary is solutions of dissolved materials and water.
Metamorphic rock is formed by a physical or chemical alteration by heat and pressure of a existing igneous and sedimentary material in a denser form. Heat melts the rock and pressure compacts together.

Contact metamorphism The changes that occur are greatest wherever the magma comes into contact with the rock because the temperatures are highest at this boundary and decrease with distance from it.
Metamorphic rock it is transformed into.A metamorphic rock changes from one form to another by intense heat or pressure fluids .
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