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GEOGRAPHY > WEATHERING & EROSION > Flashcards

WEATHERING & EROSION Flashcards

0
Q

CHEMICAL WEATHERING

A

decomposition of rock resulting in a change of composition

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1
Q

WEATHERING

A

breakdown of rock in situ

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2
Q

HYDRATION

A

makes clay minerals swell with addition of water & forces openings apart

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3
Q

HYDROLOSIS

A

rocks sit in water & break down, changes chemical composition and gets a clay like texture

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4
Q

OXIDATION

A

oxygen in air reacts with iron in rocks turning red/orange & creates oxides

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5
Q

CARBONATION

A

carbonic acid in rain reaches with calcium carbonate in limestone, joints widened in peddling planes = landforms

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6
Q

PHYSICAL/MECHANICAL WEATHERING

A

disintegration on rock into smaller particles without change to chemical composition

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7
Q

BIOLOGICAL WEATHERING

A

breakdown of rock by living things (can be chemical or physical)

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GEOGRAPHY (7 decks)

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