Results: 1 - 5 of 5
Sep 26, 2017
Data
… from Lower Jurassic to Lower Cretaceous strata of the southern … of the Jurassic through Lower Cretaceous strata of the Rocky … of the Jurassic through Lower Cretaceous Strata of the Rocky …
Sep 26, 2017
Open File Report
… from Lower Jurassic to Lower Cretaceous strata of the southern … of the Jurassic through Lower Cretaceous strata of the Rocky … of the Jurassic through Lower Cretaceous Strata of the Rocky …
Jun 16, 2013
Map
… on field observations. The Cretaceous geology of the Plains … addition, the Battle Formation (Cretaceous) and the Scollard Formation (Cretaceous-Paleogene) are based on …
Dec 31, 1957
Bulletin
… Cenomanian substage of the Upper Cretaceous. Lithologic sections are … Fort St. John area. The Lower Cretaceous-Upper Cretaceous boundary occurs at a …
Dec 31, 1988
Earth Sciences Report
… Seam forms part of the Lower Cretaceous Gates Formation and has …