Results: 1 - 5 of 5
Oct 31, 1993
Open File Report
… … The Jurassic/Cretaceous boundary in a well is … the nature of the Jurassic/Cretaceous boundary and includes … and Dolby, G. (1993): Jurassic/Cretaceous boundary in west central …
Apr 30, 1983
Open File Report
… Sedimentology of the Upper Cretaceous Judith River (Belly … - Sedimentology of the Upper Cretaceous Judith River (Belly …
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 …