Results: 1 - 3 of 3
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 …
Dec 31, 1968
Earth Sciences Report
… and Edmonton Formations of late Cretaceous age, and the Paskapoo …