Results: 1 - 4 of 4
Dec 31, 1989
Open File Report
… study of the Jurassic-Lower Cretaceous boundary strata … to transitional Lower Cretaceous (Lower Mannville … Losert, J. (1990): The Jurassic-Cretaceous boundary units and …
Dec 31, 1957
Bulletin
… Cenomanian substage of the Upper Cretaceous. Lithologic sections are … Fort St. John area. The Lower Cretaceous-Upper Cretaceous boundary occurs at a …
Feb 19, 2014
Open File Report
… have incised into glacial and Cretaceous sediments. We used a …
Dec 31, 1973
Earth Sciences Report
… sands and gravels and Upper Cretaceous Belly River sandstones. …