GEOG 1300 Chapter 7: Chapter 7 Weathering.docx

• School: University of Guelph
• Department: Geography
• Course: GEOG 1300
• Professor: John Lindsay

Document Summary

Geomaterials this is the cumulative name given to rocks and regoliths, materials which are derived from a geologic source. Regolith (s) the basal layer of soil overlying the bedrock composed of loose, unconsolidated weathered rock and gravel debris; it is the raw material from which soils are developed. Metamorphism (metamorphosis) (biological) a change in the form, function or habits of a living organism by a natural process of growth or development. Photochemical oxidation a process which occurs in the presence of light and results in the chemical change of a substance through the loss of electrons. Sub-aerial an object or a process which exists or occurs near or on the surface of the earth. Reagent a substance or compound which is added to another substance to initiate a chemical reaction or to determine whether a reaction will occur. Electrons within an atom electrons are the negatively charged particles. Solvent a substance which dissolves another substance to produce a solution.