Geology Chapter 3.1

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  • Created by: abbbyw
  • Created on: 28-12-17 13:41
weathering
the in situ chemical alteration + mechanical + biological breakdown of rocks by exposure to the atmosphere, water + organic matter
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carbonation
the reaction between carbonic acid + minerals
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hydrolysis
the reaction between minerals + water, causing the minerals to decompose
3 of 8
exfoliation
occurs when sheets of rock split off due to differential expansion + contraction of minerals, during diurnal heating + cooling
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frost shattering
caused by the expansion of freezing water in fractures, which forces rocks apart
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pressure release
caused by the expansion + fracturing of rock due to the removal of overlying rock
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root action
causes the mechanical + chemical weathering of rocks by the wedging action of plant roots
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burrowing
by invertebrate + vertebrate animals mixes + brings rock + soil particles to the surface. This facilitates weathering at greater depth, by providing access for atmospheric gases + water
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Other cards in this set

Card 2

Front

the reaction between carbonic acid + minerals

Back

carbonation

Card 3

Front

the reaction between minerals + water, causing the minerals to decompose

Back

Preview of the back of card 3

Card 4

Front

occurs when sheets of rock split off due to differential expansion + contraction of minerals, during diurnal heating + cooling

Back

Preview of the back of card 4

Card 5

Front

caused by the expansion of freezing water in fractures, which forces rocks apart

Back

Preview of the back of card 5
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