EXPLORATION

05/26/1997
Leonard A. LeSchack Topaz Energy Exploration Ltd. Calgary The Rumsey Leduc reef (Late Devonian) in Central Alberta is an after-the-fact case history that illustrates the congruence of horizontal gradient intensity and seismic anomalies. Fig. 9 [37849 bytes] shows the stratigraphic relationship of the relevant formations that comprise the Late Devonian Woodbend Group. The Rumsey reef is situated on the Fenn-Big Valley Shoal near Stettler, Alta. The geology of that shoal was described by Andrichuk.18 Fig. 10 [39446 bytes] shows the shoal area and specifically the dolomitization pattern of a 30 m slice directly above the Cooking Lake platform. Andrichuk observed th...
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