Results: 1 - 5 of 5
Dec 31, 1972
Open File Report
… which consists of the Clearwater shale and the Wabiskaw glauconitic … slopes composed of Clearwater shale because of their …
Dec 31, 1968
Earth Sciences Report
… a relatively impermeable marine shale, completely underlies the … beds of argillaceous sandstone, shale, and coal which immediately …
Dec 31, 1958
Bulletin
… environment. The Bearpaw marine shale of southern Alberta was …
Dec 22, 2005
Earth Sciences Report
… and dominated by carbonate, shale and evaporite deposits. The …
Dec 31, 1999
Earth Sciences Report
… material (e.g., anhydrite and shale beds) has been considered. As …