Results: 1 - 5 of 5
Feb 07, 2018
Report
… and form the subcrop at the sub-Cretaceous unconformity surface. … of the lower part of the Lower Cretaceous Mannville Group … in the study area is the sub-Cretaceous unconformity; an angular …
Apr 20, 2020
Data
… also includes picks of the sub-Cretaceous unconformity where it …
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 …
Jul 31, 1990
Open File Report
… of 1:50,000. Some 4000 meters of Cretaceous and Tertiary strata are …
Dec 31, 1988
Earth Sciences Report
… Seam forms part of the Lower Cretaceous Gates Formation and has …