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← GeographyWhich outcome results when high precipitation accelerates leaching in soils overlying mafic bedrock?
A)Increased rates of surface horizon dissolution
B)Formation of thick silty permafrost lenses
C)Elevation of the regional water table
D)Formation of residual bauxite deposits✓
💡 Explanation
Laterization occurs because intense leaching removes silica, alkalis, and alkaline earths, concentrating insoluble iron and aluminum oxides forming bauxite. Therefore, bauxite deposits are created, rather than increased dissolution, permafrost, or a raised water table, which would involve different processes.
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