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Elk Point Group : ウィキペディア英語版 | Elk Point Group
The Elk Point Group is a stratigraphic unit of Middle Devonian age in the Western Canada Sedimentary Basin. It takes the name from the town of Elk Point, and was first described in the ''Anglo-Canadian Elk Point No. 11'' well by McGehee in 1949.〔McGehee, J.R., 1949. Pre-Waterways Paleozoic stratigraphy of Alberta Plains. Bull. American Association of Petroleum Geologists, 33:4, p. 603-613.〕 ==Lithology== The Elk Point Group is composed of dolostone, shale, anhydrite, potash and limestone. 〔 〕
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