Results: 1 - 6 of 6
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 …
Jun 23, 2015
Open File Report
… Meridian. Two horizons, the sub-Cretaceous unconformity and the top of the Lower Cretaceous Wabiskaw Member … formation-top offsets. The sub-Cretaceous unconformity represents …
Dec 22, 2005
Earth Sciences Report
… wedge. The basin-wide sub-Cretaceous unconformity separates … the upper Lower to lower Upper Cretaceous succession. Middle … uplifted northeast. The Lower Cretaceous strata unconformably …
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, 1965
Bulletin
… marine transgression in early Cretaceous time. The lower part of … impregnated with heavy oil. Post-Cretaceous uplift and subsequent …
Dec 31, 1973
Earth Sciences Report
… sands and gravels and Upper Cretaceous Belly River sandstones. …