Results: 1 - 9 of 9
Oct 16, 2014
Open File Report
… geological mapping of the Cretaceous strata, specifically the extent and thickness of the lower Clearwater shale unit, that … area highlighting where the lower Clearwater shale unit is thin …
Dec 22, 2005
Earth Sciences Report
… wedge. The basin-wide sub-Cretaceous unconformity separates … 1) the Middle Devonian to Lower Mississippian succession, and 2) the upper Lower to lower Upper Cretaceous …
Dec 31, 1965
Bulletin
… marine transgression in early Cretaceous time. The lower part of the McMurray … observable in outcrop on the lower Athabasca River and its …
Jun 23, 2015
Open File Report
… Meridian. Two horizons, the sub-Cretaceous unconformity and the top of the Lower Cretaceous Wabiskaw Member …
Apr 07, 2016
Presentation
… is dominantly fine-grained. The lower sand and/or gravel HSU forms … lenses. In the Upper Cretaceous–Paleogene bedrock …
Oct 15, 2020
Map
… surface at the top of Upper Cretaceous and Paleogene bedrock …
Apr 07, 2016
Presentation
… Quaternary, Neogene, and Upper Cretaceous formations (i.e. Lea …
Oct 31, 2003
Geo-Note
… (Birch Mountains) pipes contain lower ε Nd , higher 87 Sr/ 86 Sr, … age of the NAKP is Late Cretaceous (Coniacian to …
Dec 31, 1999
Earth Sciences Report
… 200 wells which penetrate the Lower Cretaceous successions from …