Abstract:Surveys for a proposed hydroelectric dam, disclosed extensive deposits of late Pleistocene lacustrine clay in the valleys of the Churchill and Reindeer Rivers. The presence of montmorillonite in these clays and the topographic configuration suggest continuous connection to the main body of Glacial Lake Agassiz. The presence of till layers above the lacustrine deposits is explained by subaqueous slumping rather than readvance of the glacier, which retreated from this area between 10 000 and 9 000 years ago.Des … Show more
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