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Kiskatinaw Formation : ウィキペディア英語版 | Kiskatinaw Formation
The Kiskatinaw Formation is a stratigraphical unit of Mississippian age in the Western Canadian Sedimentary Basin. It takes the name from the Kiskatinaw River, and was first described in the Pacific Fort St. John No. 23 well (from 2302 to 2598 m) by H.L. Halbertsma in 1959.〔 ''Kiskatinaw'' means "cutbank" in Cree. ==Lithology== The Kiskatinaw Formation is composed mostly of quartz sandstone at the base, and shale with thin tight sandstone toward the top. In western Alberta it was deposited as a deltaic channel fill. Westwards it was deposited in a marine environment. Beach and near shore sediments can be found in north-eastern British Columbia, and the formation becomes transgressive at the top.〔
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