Results: 1 - 5 of 5
Oct 02, 2020
Open File Report
… top of the First White Speckled Shale (Wapiabi Formation), the base … top of the First White Speckled Shale. The lineaments detected in …
Apr 30, 2012
Open File Report
… by sulphur-stained, dark grey shale of the Westgate Formation. A … bentonite units in the otherwise shale-dominated Fish Scales … the Belle Fourche Formation is shale dominated with silty lenses, …
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, …
Mar 31, 2005
Geo-Note
… sediments and the underlying shale bedrock during incision and …