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The AAPG/Datapages Combined Publications Database
CSPG Bulletin
Abstract
Profound Erosion of a Pleistocene Deposit1
ABSTRACT
After listing some geomorphologic problems of southwestern Alberta, field evidence is described from a small area in the south part of the city of Calgary. Two formations, a boulder clay and a Pleistocene fluvial sand, lie in contact; both are truncated by flat erosion surfaces (presumably of Recent age). The oldest surface, which tops the local hills, is in turn dissected by still more recent erosion that cut such valleys as that of the Elbow. The whole scene is interpreted to mean that an erosionally planed surface on Pleistocene formations now constitutes an erosionally stagnant upland.
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