| Changes in tectonic activity and sedimentation during deposition of the Upper Cretaceous Niobrara Formation eastern Colorado, Kansas, and Nebraska, (abstr.) |
Tanck, G.S. |
South Texas Geological Society, Bulletin vol. 38, no. 6, p. 5 |
1998 |
N/A
|
| Distribution and origin of organic carbon in the Upper Cretaceous Niobrara Formation and Sharon Springs Member of the Pierre Shale, Western Interior, United States |
Tanck, G.S. |
Ph.D. dissertation, Department of Geosciences, University of Arizona, Tucson, AZ 411 pages |
1997 |
N/A
|
| Distribution and origin of organic carbon in the Upper Cretaceous Niobrara Formation and Sharon Springs Member of the Pierre Shale, Western Interior, United States, (abstr.) |
Tanck, G.S. |
Dissertation Abstracts International, Section B vol. 58, no. 8B, p. 4105 |
1997 |
N/A
|
| High-resolution analysis of the subsurface stratigraphy and organic-matter content of the Niobrara Formation and Sharon Springs Member of the Pierre Shale, Cretaceous, Western Interior Seaway, (abstr.) |
Parrish, J.T.; and Tanck, G.S. |
American Association of Petroleum Geologists, Annual Convention and Exhibition CD-ROM |
1998 |
N/A
|