Results: 1 - 2 of 2
Dec 31, 1984
Earth Sciences Report
… in the Alberta plains occur in Upper Cretaceous and Tertiary sediments … and rank variation within Upper Cretaceous and Tertiary …
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 …