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Describes studies conducted as part of a program to provide baseline data of surficial materials, ice-flow history, and soil geochemistry in the Yellowknife area, aimed at augmenting the geoscience database to support mineral exploration & development. After description of the regional setting & bedrock geology of the area, information is presented on surficial sediments (till, glaciofluvial & glaciolacustrine sediments, peat), ice flow patterns, glacial history, and pebble lithology provenance.
This paper summarizes ongoing surficial geology studies and geochemical analyses of till & vegetation in the Yellowknife Greenstone Belt. It first describes the sampling & analytical methods used, the regional geologic setting, and the types of surficial sediments found in the study area. It then presents results regarding ice flow directions, the occurrence of gold grains in till, and soil & vegetation geochemical profiles.