Study Aid 13 - Test 4 - Soil Erosion

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Virginia Tech *

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Course

2104

Subject

Geography

Date

Dec 6, 2023

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pdf

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10

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Hole: GEOS 2104 Study Aid M-1 Soil, Erosion Soil what is a soil scientist’s definition of soil : what does a geologist call that? what is a soil engineer’s definition of soil : what does a geologist call that? what is a geologist’s definition of soil : what process creates soil? (topic of previous lecture) what are the two possible geologic parent materials ? define consolidated (geologist’s definition): what does a soil engineer mean by “ consolidated ”?
Hole: GEOS 2104 Study Aid M-2 Soil, Erosion define leaching : how is it similar to metasomatism (metamorphic lecture) ? what happens to the solid being leached? what happens to the water? how are weathering and leaching related? what are the two main zones in soil formed by leaching? which is shallower & which deeper? number the materials in order, from most likely to be leached to least likely: by what processes? clay Fe, Al oxides organic material quartz soluble minerals
Hole: GEOS 2104 Study Aid M-3 Soil, Erosion number the materials in order, from most likely to be re- deposited deeper in the soil to least likely: processes ? clay Fe, Al oxides organic material quartz soluble minerals define the primary soil layers: (connect these “layers” to the two “zones” on the previous page) layer A : define: materials present: colours: how long to create after destroyed? layer B : define: materials present:
Hole: GEOS 2104 Study Aid M-4 Soil, Erosion layer B : colours: how long to create after destroyed? layer C : define what happens to rainforest soil fertility if you cut down the vegetation? what can destroy soil? (2 ways; both discussed elsewhere in course ) what 5 factors affect the type of soil created? explain how 1) 2)
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