Lithology
The Cardium Formation is primarily represented by marine sandstone, with massive sandstone beds separated by shale. The formation is sub-divided into the following members from top to base: Sturrock Member (sandstone), Leyland Member (shale), Cardinal Member(sandstone), Kiska Member (shale), Moosehound Member (shale) and Ram Member(sandstone). In central Alberta, the formation is divided into the Pembina River Member and Cardium Zone.
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