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The AAPG/Datapages Combined Publications Database
Saskatchewan Geological Society
Abstract
THE BAKKEN FORMATION IN THE WILLISTON BASIN OF WESTERN CANADA - ABSTRACT
Consulting Geologist
2508 Chateau Place N. W. Calgary, Alberta T2M 4K7
A suite of geological maps of the Bakken Formation (Upper Devonian-Lower Carboniferous) have been compiled in preparation for a study of its source rock potential. The maps display the extent, thickness and present structure of both the formation and its three members. Additional sheets indicating hydrocarbon shows and formation fluid characteristics are also available. A suite of illustrative cross-sections accompanies the maps.
The Bakken Formation is a thin unit exhibiting subdued changes in thickness, which generally conform to the regional structure of the basin. In the region of the Alberta- Saskatchewan border the combination of rapid thickness variations of the middle sandstone member and the pattern of pre-Cretaceous erosion produces a more complex geometry. Similar, but more local thickness variations of the middle sandstone member occur in the Rocanville-Virden area.
Local structural anomalies attributable to either salt solution collapse (Hummingbird, Saskatchewan) or meteorite impact (Hartney, Manitoba) are highlighted by the maps.