eluviation

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eluviation

The movement of soil caused by excessive water within the soil.

References in periodicals archive ?
This location contains the thickest development of eluvium in the exploitation area, and a major objective was to establish in broad terms the volume of potential feed for the beneficiation plant.
Given the results obtained from the gold point counting procedure, and from analysis of the samples obtained at trench surface (eluvium), Raymor will soon be conducting tests for recovering "nuggety" gold in the eluvium, which can reached up to 30 meters deep at some points of the surface.
Twyman, geological consultant, has been on site to start the programme and reports finding several areas of artesanal gold mining of eluvial/colluvial material (eluvial material is surface material that is derived from the weathering (rotting) of bedrock and colluvial material is eluvium that has moved down-slope but is probably not very distant from its source).