Results: 1 - 3 of 3
Apr 20, 2020
Data
… the middle red beds, and the upper Lotsberg halite units, and … marker beds from the lower and upper Lotsberg halite units, 4) the … also includes picks of the sub-Cretaceous unconformity where it …
Dec 31, 1957
Bulletin
… Lower Cenomanian substage of the Upper Cretaceous. Lithologic sections are … John area. The Lower Cretaceous-Upper Cretaceous boundary occurs at …
Dec 31, 1976
Economic Geology Report
… with evaporites in the Upper Devonian Beaverhill Lake … formation waters are in the Cretaceous Viking, Bow Island, and …