Tuesday, February 24, 2009

Physical weathering


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physical weathering

weathering, collective term for the processes by which rock at or near the earth's surface is disintegrated and decomposed by the action of atmospheric agents, water, and living
Weathering is the process by which rocks are gradually broken down in situ. Erosion is the breaking down of rocks and being removed by weathering agents e.g. water and winds.
physical weathering; chemical weathering; biological weathering; Remember, when you answer questions about weathering, mention what is causing the weathering and what it does to the rock
Find animations dealing with physical weathering. There are also links for accessing images relating to physical weathering.
5) Weathering 5.1) Physical Weathering 5.2) Chemical Weathering 5.3) Biological Weathering 5.4) Weathering Resistance . Further Reading: Birkeland P.W. 1984.
Physical Weathering - disintegration of rocks and minerals by a physical or mechanical process. Chemical Weathering - chemical alteration or decomposition of rocks and
Physical Weathering Physical weathering occurs when rocks are broken in to smaller pieces without changing the chemical composition of the
Introduction. Weathering is the breakdown and alteration of rocks and minerals at or near the Earth's surface into products
Two important classifications of weathering processes exist â€" physical and chemical weathering. Mechanical or physical weathering involves the breakdown of rocks and soils through
WEATHERING Weathering is a set of physical, chemical and biological processes that alter the physical and chemical state of rocks and soil at or near the earth's surface.

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