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Science > Unconformites > Flashcards

Unconformites Flashcards

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1
Q

Angular Unconformity

A

Horizontal rock layers are tilted/uplifted as earth’s forces deform them

Erosion and weathering wear the tilted layers

New sediment is deposited on top

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2
Q

Disconformity

A

Flat lying sedimentary rocks are eroded

New layers deposit on top

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3
Q

Nonconformity

A

Metamorphic/Igneous rocks are uplifted and eroded

Sedimentary rocks are deposited on top

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4
Q

Unconformity

A

Gap in rock layer due to erosion or periods without deposition

Represent major gaps of time

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Science (4 decks)

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