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Parts of presentation
1. What is rock
2. Classes of rocks
3. The Rock cycle
1. What is rock
Rock is combination of minerals that makes up the Earth's crust.
Mineral  is natural,  solid,  inorganic material
made up of elements.
2. Classes of rocks
2.1 mneous rocks
2.2 sedimentary rocks
2.3 metamorphic rock
2.1 Igneous rocks
formed from hot melted magma
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intrusive rocks - granite
extrusive rocks - basalt
2.2 Sedimentary rocks
particles of other rocks
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- sandstone
2.3 Metamorphic rocks
changed from one kind of rock to another kind
3. The Rock cycle
metamorphic, are part of a huge recycling process ROCK CYCLE.
Any class of rock can be changed into any other class of rock.
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eous Rock (Granite}
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Sediments
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Compression
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Weathering, Erosion, Deposition
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Sedimentary Rock (Limestone)
Heat& Pressure (Metamorphism)
Heat& Pressure (Metamorphism)
Metamorphic (Gneiss)
Melting
Melting
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