Results: 1 - 6 of 6
Nov 18, 2008
Data
… analyses of 57 mudstone, 29 shale, 13 ironstone, 6 pyrite …
Jan 31, 2023
Special Report
… in shallow, polymetallic black shale in NE Alberta. There is no …
Jan 23, 2020
Data
… quartzite, other stones, clay, shale, salt, potash, gypsum, sodium …
Dec 31, 1982
Open File Report
… Barite, Bentonite, Clay and Shale, Coal, Copper, Coquina, …
Jun 21, 2016
Poster
… lesser anhydrite, dolostone, and shale during a period of intense …
Mar 31, 2005
Geo-Note
… sediments and the underlying shale bedrock during incision and …