Ch05 Outline

Essentials of Geology (10th Edition)

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Weathering and Soils begins with a brief examination of the external processes of weathering, mass wasting, and erosion. The two forms of weathering, mechanical and chemical, are investigated in detail, including the types, conditions, rates, and net effect of each. The soils section of the chapter begins with a description of the general composition and structure of soil. After examining the factors that influence soil formation, development, and classification, soil erosion, as well as some ore deposits produced by weathering, are presented. Learning Objectives After reading, studying, and discussing the chapter, students should be able to: Explain the difference between Earth’s external and internal processes. Discuss the various processes involved in physical weathering. Discuss the various processes involved in chemical weathering. List and briefly explain those factors that control rates of weathering. Define soil and explain the difference between soil and regolith. Discuss soil formation, including those factors that control soil formation. Explain the concept of the soil profile and how it relates to soil formation. Discuss the characteristics of the soil horizons in a typical soil profile. Briefly explain soil classification. Briefly discuss soil erosion. Relate the process of weathering to the formation of some ore deposits. Chapter Outline ___________________________________________________________________ I.Earth’s external processes A.Weathering—the physical breakdown (disintegration) and chemical alteration
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Ch05 Outline - Chapter Weathering and Soils 5 Weathering...

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