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The AAPG/Datapages Combined Publications Database
CSPG Bulletin
Abstract
Abstracts of Theses: Relationships Between the Middle Devonian Prairie Evaporite Formation and The "Salt-Free" Area, of South-Central Saskatchewan
The Middle Devonian Prairie Evaporite Formation is absent over a large area of South Central Saskatchewan, generally referred to as the Swift Current Platform. The absence of salts over this area may be due either to non-deposition, deposition with penecontemporaneous removal, deposition with later subsurface solution or combination of these three possibilities.
Considerations of regional structure and formation isopachs suggests that the "salt-free" area is essentially a primary feature, but that around its margins there has been solution-collapse resulting from removal of the Prairie Evaporite, mainly in post-Early Colorado time. The interpretation of fabrics of the Second Red Bed
, which immediately overlies the stratigraphic position of the Prairie Evaporite, tends to support, with exceptions, the conclusions formulated from regional structural and isopach evidence.
End_of_Record - Last_Page 323-------
ACKNOWLEDGMENTS AND ASSOCIATED FOOTNOTES
1964, University of Saskatchewan, M.A.
Copyright © 2004 by The Society of Canadian Petroleum Geologists. All Rights Reserved.
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