Parks and Comp Test 1

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Geology

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8 Terms

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Metamorphic Rock

rocks that have changed from their original form due to intense heat and pressure

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Igneous Rock

formed when magma or lava cools and solidifies

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Sedimentary Rock

formed when sediments, like organic or mineral particles, settle on Earth's surface and are cemented together

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Unconformity

Buried erosion surface that separates 2 rock masses of different ages

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Angular unconformity

Horizontal sedimentary layers deposited over older, tilted, and eroded layers

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Nonconformity

Develops where sediments are deposited on top of an eroded surface

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Disconformity

Erosional contact parallel to the layers above and below

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Passive Continental Margin

a transition zone between continental and oceanic crust that is not tectonically active