Earth Sciences Report 1956-02

Author(s) Date 1955-12-31

This presentation of results of a survey of the surficial deposits of the Castor district forms part of a program to map the glacial geology of east-central Alberta. The Castor district lies within the Torlea flats which is a north-south belt of relatively featureless ground moraine in east-central Alberta. Gently dipping Upper Cretaceous rocks are close to the surface over much of the Torlea flats and in the Castor district bedrock is exposed in valley walls over much of the southern part of the district and the northwestern part of the district. The northern part of the Castor district is made up of a relatively flat and featureless till plain. In the southern part of the district the surface till has been largely removed by the action of glacial waters spilling toward the east and southeast out of the Sullivan Lake basin. No evidence of the direction of glacial advance has been found in this district.

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Gravenor, C.P. (1956): Glacial geology of Castor district, Alberta; Research Council of Alberta, RCA/AGS Earth Sciences Report 1956-02, 26 p.