Results: 1 - 7 of 7
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 …
Dec 31, 1961
Earth Sciences Report
… nearly flat lying rocks of Late Cretaceous age covered by … of variable thickness. The Cretaceous succession consists of … are locally present in the lower Kaskapau and Bad Heart units …
Jun 30, 1980
Open File Report
… the Bad Heart Sandstone of Late Cretaceous age. The deposit crops … marine shales of the upper and lower Smoky Group. The deposit has …
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 …