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Rocks, Classification of Igneous Rocks, Sedimentary Rocks, Metamorphic…
Rocks
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Metamorphic Rocks
Forms when exposed to extreme temperatures, pressure, or fluids
A rock is any solid mass of minerals or mineral-like material-like matter that occurs naturally on Earth
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Sedimentary Rocks
Weathering, Erosion, and Deposition
- Weathering is any process that breaks rocks into sediments
- Erosion involves weathering and the removal of rock
- Deposition happens when an agent of erosion loses its energy and drops the sediments
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Metamorphic Rocks
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Agents of Metamorphism
- The first agent of metamorphism is heat which comes from magma and the change in temperature with depth
- The second is pressure which there are two types: confining pressure and directed pressure
a. Confining pressure comes from all directions
b. Directed pressure comes from mostly one direction
- The third is hydrothermal solutions which are hot, water-based solutions that escape from a mass of magma
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