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Angle of Repose
the steepest angle at which loose material remains stationary without sliding downslopes
a type of movement common to mass-wasting processes that refers to the free falling of detached individual pieces of any size
a type of movement common to mass-wasting processes in which water saturated material moves downslope as a viscous fluid
thje concentration of minor amounts of metals that are scattered through unweathered rock into economically valuable concentrations by weathering processes
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