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The AAPG/Datapages Combined Publications Database
CSPG Bulletin
Abstract
Stratigraphy of the Norquay Formation, Rocky Mountain Group, Banff Area, Alberta
ABSTRACT
The Norquay formation may be divided into five distinct members numbered 1 to 5 from base to top. Member 5 contains Helicoprion Karpinsky and is probably Middle Permian in age. Above Member 2 a marked change in lithology suggests that Members 3 and 4 may also be Permian in age. In easterly sections Member 5 and most of Member 4 have been removed by post-Paleozoic erosion. Member 2 contains Pennsylvanian foraminifera of the genera Profusulinella, Pseudostaffella, Eostaffella (Paramillerella), and ?Glomospiroides, with other fossils including Plagioglypta, Bellerophon, and Ascopora. Relict shell beds in Member 1, above the post-Mississippian unconformity, are probably related to the Megalodon beds of Exshaw Creek (McGugan, 1960), of possible Lower Pennsylvanian age.
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