10-weathering - Lecture10:16February Next Topic Mass...

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Landform Geography: Weathering Lecture 10: 16 February Lecture outline: 1.Introduction: 1) relationship between weathering, erosion, and mass wasting; 2) rock openings 2.Mechanical weathering 3.Chemical weathering 4.Biological weathering 5.Summary Next Topic Mass Wasting (p. 469-478)
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Introduction Denundation (Def): The effect of disintegration, wearing away, and removal of rock Lowering of continental surfaces Interaction between: Weathering (Today) Erosion Mass Wasting (Thursday) Figure 15.1 http://www.youtube.com/watch? v=oFnpm4SUF7I&feature=related
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Introduction The impact of denundation: Grand Canyon - River erosion AND weathering and mass wasting
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Introduction: Weathering Figure 15.1 Weathering is usually first of the three processes… Weathering: - Mechanical and/or chemical decomposition - Destroys rock coherence - Rock fragment quantity increases and fragment size decreases
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Introduction: Weathering Rock Openings: Openings Facilitate Weathering On rock surfaces Penetrate rocks Figure 15.3a
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This note was uploaded on 02/17/2011 for the course GEOL 201 taught by Professor Baruah during the Spring '10 term at South Carolina.

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10-weathering - Lecture10:16February Next Topic Mass...

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