Results: 1 - 5 of 5
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 …
Feb 07, 2018
Data
… Lotsberg Formation, lower and upper Lotsberg Formation and … Leduc Formation, lower and upper Ireton Formation, Grosmont … Wabamun Group, and 7) sub-Cretaceous unconformity. Where a …
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, 1990
Open File Report
… are contained within the Upper Cretaceous/Tertiary Wapiti Group. …
May 08, 2019
Information Series
… position of some Devonian and Upper Cretaceous units. Also, we chose to …