Rock Springs Formation |
| Usage of Geologic Unit Name: Rock Springs Formation* |
| Age: Cretaceous, Late* Campanian* |
| Geologic Province: Green River basin* |
| Areal Extent: WY(sw)* |
| Type Locality: Not designated. |
| Unit Name History: Name Rock Springs coal group changed to Rock Springs Formation (Sears, 1926). Revised; Overview (Hale, 1950). Revised (Hale, 1955). Overview (Gill and others, 1970). Biostratigraphic dating (Nichols, 1994). |
| References
Sears, J.D., 1926, Geology of the Baxter basin gas field, Sweetwater County, Wyoming, IN Contributions to economic geology (short papers and preliminary reports), 1925; Part 2, Mineral fuels: U.S. Geological Survey Bulletin, 781-B, p. B13-B27. Hale, L.A., 1950, Stratigraphy of the Upper Cretaceous Montana Group in the Rock Springs uplift, Sweetwater County, Wyoming: Wyoming Geological Association Field Conference Guidebook, no. 5, p. 49-58. Hale, L.A., 1955, Stratigraphy and facies relationship of the Montanan Group in south-central Wyoming, northeastern Utah, and northwestern Colorado, IN Camp, R.J., chairman, Green River basin: Wyoming Geological Association Field Conference Guidebook, no. 10, p. 89-94. Gill, J.R., Merewether, E.A. and Cobban, W.A., 1970, Stratigraphy and nomenclature of some Upper Cretaceous and lower Tertiary rocks in south-central Wyoming: U.S. Geological Survey Professional Paper, 667, 53 p. Nichols, D.J., 1994, A revised palynostratigraphic zonation of the nonmarine Upper Cretaceous, Rocky Mountain region, United States, IN Caputo, M.V., Peterson, J.A., and Franczyk, K.J., editors, Mesozoic systems of the Rocky Mountain Region, USA: Society of Economic Paleontologists and Mineralogists, Rocky Mountain Section. |
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The URL is: https://gotbooks.miracosta.edu/gonp/coloradoplateau/lexicon/rocksprings.htm Last modified: 1/7/2011 |