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15 Cards in this Set
- Front
- Back
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The composition of soil that formed in place is mostly determined by the:
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Bedrock composition
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Unsorted, angular, rough-surfaced cobbles and boulders are found at the base of a cliff. What transported them there?
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Gravity
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True/False
Denser particles settle slower |
False
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Flat, angular and irregularly shaped particles settle more _____
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slowly
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When the velocity of a stream suddenly decreases, the sediment being transported undergoes and increase in:
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deposition
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A flat-lying, fan shaped deposit of well-sorted sediments was probably deposited by:
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running water
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When a stream weathers particles, it is called:
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abrasion
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What are 5 major natural agents of abrasion?
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water, ice, waves, wind and gravity.
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Chemical weathering is dominant in:
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warm and moise climates
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what is the most important form of weathering in high latitudes?
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frost action (wedging)
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In what month is chemical weathering more active than physical weathering?
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July
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How would rock particles at the end of the stream compare with the original sample?
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more rounded and smooth.
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What 2 processes are most important in the formation of soils?
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weathering and biological activty.
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The downhill movement of a rock or sediment w/o being carried by water, wind or ice is known as:
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mass movement/mass wasting.
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glacial deposits are ___
water deposits are ____ |
unsorted/sorted
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