Term
Of the following processes, which is not an example of mechanical weathering?
thermal expansion
frost wedging
sheeting
oxidation
root penetration |
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Definition
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Term
Considering the following list, which is not an example of chemical weathering?
frost wedging
dissolution
removal of calcite from rocks by carbonic acid-rich water
salt corrosion
oxidation |
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Definition
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Term
Which of the following statements describes weathering?
Weathering is the transfer of rock and soil.
Weathering depends upon gravity.
Weathering is the removal of materials.
Weathering is the breakdown of rock and surface materials. |
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Definition
| Weathering is the breakdown of rock and surface materials. |
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Term
| In temperate and polar regions, the accumulation of talus slopes at the base of steep, rocky cliffs is most often attributed to |
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Definition
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Term
True or False
Chemical weathering in bedrock often begins along joints and sheeting fractures |
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Definition
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Term
In which area would weathering by frost wedging probably be most effective?
in a moist, tropical forest
where the subsoil is permanently frozen
in moist, mid-latitude climates
in cool high desert areas |
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Definition
| in moist, mid-latitude climates |
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Term
Which one of the following statements concerning mechanical weathering is NOT true?
reduces grain sizes of rock particles
allows for faster rates of chemical weathering
involves a major change in the mineral composition of the weathered material
is important in the formation of talus slopes |
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Definition
| involves a major change in the mineral composition of the weathered material |
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Term
Which of the factors listed below does not influence the rate of chemical weathering?
temperature
moisture conditions
jointing
specific gravity of the rock
mineralogical composition |
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Definition
| specific gravity of the rock |
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Term
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Definition
| the transfer of rock material downslope under the influence of gravity. |
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Definition
| the disintegration and and decomposition of rock at or near the surface. |
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Definition
| the incorporation and transportation of material by a mobile agent, usually water, wind, or ice. |
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Definition
| processes that occur at or near the earth's surface and are powered by energy from the sun. |
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Definition
| such as volcanism and mountain building, derives energy from Earth's interior. |
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Definition
| physical breaking up of rock into smaller pieces. |
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Definition
| altering a rock's chemistry, changing it into a different substance. Such as oxidation, carbon dioxide. |
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