Results: 1 - 5 of 5
Jan 31, 2023
Special Report
… in shallow, polymetallic black shale in NE Alberta. There is no …
Jan 23, 2020
Map
… elements, salt, sand/gravel, shale, silica sand, stone, sulphur, …
Nov 28, 2011
Open File Report
… Exshaw Formation black shale. Based on geochemical and …
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 …