Weathering II 0.0 / 5 ? GeologyEarth & Ocean systemsUniversityNone Created by: AnnaFHarrisonCreated on: 09-01-18 10:16 Name 4 factors that affect chemical weathering Climate, time, living organisms, mineral composition 1 of 14 Define bioturbation The disturbance of sedimentary deposits by living organisms 2 of 14 Name 3 products of chemical weathering Clays, metal ores, and the rounding of boulders 3 of 14 Define "regolith" a layer of loose material covering bedrock 4 of 14 Name 5 factors the affect the formation of soil Climate, time, living organisms,mineral composition, topography 5 of 14 What is soil? Regolith containing weathered rock, water, air, and humus 6 of 14 What is humus? organic matter derived from the decay of plant material 7 of 14 What is Pedocals soil? Thin topsoil, subsoil contains minerals such as calcite, develops in dry warm regions like the western US. 8 of 14 What is Laterite soil? No surface section, thick topsoil lacking in soluble minerals due to heavy rainfall (may contain insoluble bauxite), no subsoil. 9 of 14 What is the roundness of a grain? a measure of the smoothness of grain surface 10 of 14 What does the roundness of a grain depend on? the amount of transport 11 of 14 What is the sphericity of a grain? How closely the grain shape resembles a sphere 12 of 14 What does the sphericity of a grain depend on? The original crystal/rock shape 13 of 14 What does MAVEN stand for? Mars Atmospher and Volatile Evolution 14 of 14
Geological Timeline and the Creation of the Atmosphere, Lithosphere, Hydrosphere and Biosphere 0.0 / 5
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