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10 Cards in this Set
- Front
- Back
The gradual wearing away of the Earth's surface by wind, water and ice.
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Erosion
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A break or fracture in the Earth's crust.
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Fault
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A type of sedimentary rock composed of pebbles and gravel in layers of the rock.
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Conglomerate
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A rock formed from magma inside the Earth cools.
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Granite
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Produced when limestone is heated under pressure.
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Marble
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The uppermost layer of soil.
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Topsoil
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The distinct layers of sedimentary rock.
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Strata
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When shale or granite are heated under pressure they become.
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Gneiss
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Volcanic glass.
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Obsidian
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Lava on the Earth cools and forms.
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Basalt
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