Results: 1 - 10 of 11
May 31, 2005
Geo-Note
… bentonite in Upper Cretaceous strata of north-central … bentonite in Late Cretaceous strata of north-central …
Feb 28, 2007
Earth Sciences Report
… the base of which marks the Cretaceous/Tertiary boundary. … stratigraphic zone between the Cretaceous/Tertiary boundary and …
Apr 13, 2008
Special Report
… depleted gas reservoirs in the Cretaceous Lower Mannville Group. … long before it may reach the sub-Cretaceous unconformity. Even there, thick overlying Cretaceous shales will impede any …
Dec 31, 1973
Earth Sciences Report
… largely non-marine, of Upper Cretaceous age and some of Tertiary … has deformed the Upper and Lower Cretaceous clastics of the …
Dec 31, 1973
Open File Report
… non-marine Tertiary and Upper Cretaceous Paskapoo Formation which … rock to well cemented Lower Cretaceous materials. Deposits …
Dec 31, 1965
Earth Sciences Report
… central Alberta, mainly in Upper Cretaceous strata. Their wide …
Apr 30, 1993
Open File Report
… and glass, and is common in the Cretaceous and Paleocene sediments …
Dec 31, 1973
Earth Sciences Report
… sands and gravels and Upper Cretaceous Belly River sandstones. …
Dec 31, 1971
Earth Sciences Report
… from sandstones of the Upper Cretaceous Dunvegan Formation. … …
Dec 31, 1970
Earth Sciences Report
… lenses within the Upper Cretaceous Dunvegan Formation, the …