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Weathering soils

TermDefinition
sedementary process steps weathering, transport, deposition and lithification(sedimenets into rock)
earth is covered by regolith-a layer of fragments produced by weathering
mechanical weathering frost wedging, unloading(stress release), thermal expansion/contraction (insolation weathering, biological activity, wetting and drying adn salt crystalization
surface area increasing for chem weathering physical weathering
Spheroidal weathering when there are fractures the water cuts soft edges, coners disolve faster due to dissolution of minerals
caves and chemical weathering stalagmites (floor) and stalacties (ceiling) aka karsts
Types of chemical weathering Disolution, Hydrolysis(rain water)(makes kalonite), Oxidation and reduction
rate of reaction the higher the temp to create the longer it will survive on earth
submarine weathering Low-temperature alteration Halmyrolysis- alteration of clay minerals, Also occur: - dissolution Hydration and leaching
Created by: amistry
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