Ferron Sandstone Member of Mancos Shale

Usage of Geologic Unit Name:
Ferron Sandstone Member of Mancos Shale (UT*)
Cretaceous, Late*
Turonian, middle*
Geologic Province:
Paradox basin*
Uinta basin*
Areal Extent:
Type Locality:
Not designated. Named for Ferron in Castle Valley, Grand Co., UT (Lupton, 1914).

Unit Name History:
Named as a member of Mancos Shale (Lupton, 1914). Areal limits (Sargent and Hansen, 1982). Age modified (Fouch and others, 1983). Areal limits (Molenaar and Cobban, 1991).


Lupton, C.T., 1914, Oil and gas near Green River, Grand County, Utah, IN Contributions to economic geology, 1912; Part 2, Mineral fuels: U.S. Geological Survey Bulletin, 541-D, p. D115-D133.

Sargent, K.A. and Hansen, D.E., 1982, Bedrock geologic map of the Kaiparowits coal-basin area, Utah: U.S. Geological Survey Miscellaneous Investigations Series Map, I-1033-I, 1 sheet.

Fouch, T.D., Lawton, T.F., Nichols, D.J., Cashion, W.B. and Cobban, W.A., 1983, Patterns and timing of synorogenic sedimentation in Upper Cretaceous rocks of central and northeast Utah, IN Reynolds, M.W., and Dolly, E.D., editors, Mesozoic paleogeography of the west-central United States: Society of Economic Paleontologists and Mineralogists, Rocky Mountain Section, Rocky Mountain Paleogeography Symposium, v. 2, p. 305-336.

Molenaar, C.M. and Cobban, W.A., 1991, Middle Cretaceous stratigraphy on the south and east sides of the Uinta basin, northeastern Utah and northwestern Colorado, IN Evolution of sedimentary basins; Uinta and Piceance basins: U.S. Geological Survey Bulletin, 1787-P, p. P1-P34.

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* show accepted USGS usage.
Note that data on this page contains information that has been partly revised from bibliographic resources available via the National Geologic Map Database GEOLEX:
The URL is: https://gotbooks.miracosta.edu/gonp/coloradoplateau/lexicon/mancos_ferron.htm
Last modified: 1/7/2011