Stratigraphy and micropaleontology of the Thermopolis shale

Authors

Don L. Eicher, Department of Geology, University of Colorado

Files

Description

In the Big Horn Basin of Wyoming, the Thermopolis shale (Lower Cretaceous) of U.S. Geological Survey usage consists of three mappable units; a lower sequence of black shale and prominent siltstones, the Muddy sandstone, and an upper sequence of black shale and a few bentonites....

Issue Number

15

Publication Date

1960

Recommended Citation

Eicher, Don L.. 1960. "Stratigraphy and micropaleontology of the Thermopolis shale." Bulletin of the Peabody Museum of Natural History , (15). https://elischolar.library.yale.edu/peabody_museum_natural_history_bulletin/15