Results: 1 - 10 of 10
Mar 27, 2016
Map
… … The sub-Cretaceous unconformity is an … of upper Jurassic/lowermost Cretaceous sediments of the first … basin. The topography of the sub-Cretaceous unconformity surface was …
Mar 27, 2016
Report
… … The sub-Cretaceous unconformity is an … of upper Jurassic/lowermost Cretaceous sediments of the first … variable topography of the sub-Cretaceous unconformity is an …
May 31, 2000
Earth Sciences Report
… indicates that the Lower Cretaceous McMurray Formation was … is preserved. The Lower Cretaceous McMurray Formation … cut within the karstic pre-Cretaceous landscape. Lower …
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 …
Dec 31, 1980
Earth Sciences Report
… shales and sandstones of Upper Cretaceous age. Total annual … from 0.4 L/s (5 igpm) in Upper Cretaceous sandstones to possibly …
Dec 31, 1955
Report
… Albian substage of the Lower Cretaceous. The calcareous …
Dec 31, 1982
Bulletin
… It seems that the Late Cretaceous epeiric sea in North … region to the west of the Late Cretaceous seaway. There are …
Dec 31, 1972
Open File Report
… (oolitic) iron deposits of Late Cretaceous underlie the Clear Hills …
Dec 31, 1979
Earth Sciences Note
… are the basal clays of the Lower Cretaceous McMurray Formation. Some …
Feb 28, 1946
Report
… be underlain by non-marine Upper Cretaceous rocks in which coal …