Results: 1 - 5 of 5
Jan 23, 2020
Data
… quartzite, other stones, clay, shale, salt, potash, gypsum, sodium …
Dec 31, 1955
Report
… also in the lower Moose bar shale of northeastern British … east-central Alberta. The Harmon shale of northwestern Alberta is … with that of the Lower Shale member of the Colorado Group …
Dec 31, 1982
Open File Report
… Barite, Bentonite, Clay and Shale, Coal, Copper, Coquina, …
Dec 31, 1957
Bulletin
… the lower part of the Colorado shale of Alberta and Saskatchewan, and in the Mowry shale of the Black Hills area of …
Mar 31, 2005
Geo-Note
… sediments and the underlying shale bedrock during incision and …