Results: 1 - 6 of 6
Nov 18, 2008
Data
… data are reported for 123 Cretaceous rock samples from … for mudstones, shales and other Cretaceous rocks of northwestern …
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, 1960
Bulletin
… sandstone member of the Upper Cretaceous Belly River formation. … eastward regression of the late Cretaceous Colorado sea. The …
Dec 31, 1973
Open File Report
… non-marine Tertiary and Upper Cretaceous Paskapoo Formation which … rock to well cemented Lower Cretaceous materials. Deposits …
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 …