Ch16-lecture notes

Ch16-lecture notes - Chapter 16 Weathering and Erosion Read...

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Chapter 16 Weathering and Erosion Read pp. 371-383
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Outline I. What is weathering A. Two types of weathering 1. Physical (mechanical) weathering 2. Chemical weathering B. Factors in weathering 1. Time of exposure 2. Climate 3. Mineral stability 4. Soil
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II. Mechanical weathering A. Ice wedging B. Temperature changes C. Exfoliation D. Other agents: plants, organisms, wind, glaciers III. Chemical weathering A. Weathering of feldspars B. Weathering of mafic minerals C. Dissolution of limestone D. Weathering of quartz IV. The soil profile
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Weathering and erosion Weathering The breakdown of rocks near the surface of the earth in response to the action of water, atmosphere, and living things Erosion The process by which weathered rocks and soil are loosened and moved elsewhere to be deposited as sediments. Weathering and erosion convert rocks into sediments which eventually form sedimentary rocks.
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Weathering of tombstones Slate slow; Limestone fast
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This note was uploaded on 05/04/2008 for the course GEOL 1001 taught by Professor Baksi during the Fall '07 term at LSU.

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Ch16-lecture notes - Chapter 16 Weathering and Erosion Read...

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