Results: 1 - 3 of 3
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, 2003
Geo-Note
… and with the Devonian-Cretaceous unconformity. Vertical …
Jan 14, 2010
Data
… Descriptions of Exposed Upper Cretaceous and Tertiary Rock …