Results: 1 - 6 of 6
May 31, 2007
Earth Sciences Report
… Phanerozoic are rare and the Upper Cretaceous stratigraphic studies … due to severe erosion of the Upper Cretaceous along the Peace …
Dec 31, 1965
Bulletin
… marine transgression in early Cretaceous time. The lower part of … deposits and the middle and upper parts of foreset and topset … impregnated with heavy oil. Post-Cretaceous uplift and subsequent …
Dec 31, 1965
Earth Sciences Report
… variable thickness underlain by Upper Cretaceous strata. The surficial … surface. Maximum relief on the upper surfaces of the map-units …
Dec 31, 1960
Bulletin
… basal sandstone member of the Upper Cretaceous Belly River formation. … eastward regression of the late Cretaceous Colorado sea. The …
Nov 30, 2002
Geo-Note
… gas wells completed in the Lower Cretaceous Viking Formation, Colony … from wells completed in the Upper Devonian Nisku and Grosmont …
Dec 31, 1957
Earth Sciences Report
… of the area is composed of Upper Cretaceous unconsolidated …