Results: 1 - 10 of 17
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 …
Sep 26, 2017
Data
… from Lower Jurassic to Lower Cretaceous strata of the southern … of the Jurassic through Lower Cretaceous strata of the Rocky … of the Jurassic through Lower Cretaceous Strata of the Rocky …
Sep 26, 2017
Open File Report
… from Lower Jurassic to Lower Cretaceous strata of the southern … of the Jurassic through Lower Cretaceous strata of the Rocky … of the Jurassic through Lower Cretaceous Strata of the Rocky …
Dec 31, 1966
Bulletin
… recognized in the Alberta Group (Cretaceous) and equivalent strata … (1) and (2). The Late Cretaceous sea persisted longer in … Wall, J.H. … Wall, J.H. (1967): Cretaceous Foraminifera of the …
Dec 31, 1959
Bulletin
… J.H. … Wall, J.H. (1960): Upper Cretaceous Foraminifera from the … … BUL 006 … Bulletin 006 … Upper Cretaceous Foraminifera from the …
Jun 16, 2022
Open File Report
… in the Peace River Arch area, Cretaceous strata in southern …
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 …
May 31, 2007
Earth Sciences Report
… are rare and the Upper Cretaceous stratigraphic studies … to severe erosion of the Upper Cretaceous along the Peace River … and details of the Upper Cretaceous formations. Forty-seven …
Sep 30, 1990
Open File Report
… maps are of two major types. Pre-Cretaceous aquifers have salinity … salinity for comparable depths. Cretaceous aquifers below the …
Dec 31, 1953
Report
… of western Canada has a Lower Cretaceous marine succession of … Turanian stage of the Upper Cretaceous. The Lower Turonian … part, in the history of Lower Cretaceous microfaunas peculiar to …