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How does rainfall affect clay formation ?

April 26, 2017affect clay FORMATION rainfall

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How does rainfall affect clay formation ?

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Moisture is essential for life and the amount of biomass in an ecosystem is correlated with rainfall. Increased rainfall means greater biological activity, in general, and greater biological activity means more acidity 1 for mineral weathering 2. Rock minerals dissolve to produce soluble salts (ash or plant minerals) and clays. Everything else being equal (time, parent material, land form), the greater the rainfall the higher the clay 2 content in the soil.