Results: 1 - 2 of 2
Feb 07, 2018
Report
… and form the subcrop at the sub-Cretaceous unconformity surface. … of the lower part of the Lower Cretaceous Mannville Group … in the study area is the sub-Cretaceous unconformity; an angular …
Dec 31, 1961
Earth Sciences Report
… estimates indicate that the Cretaceous and Tertiary geologic …