Duchesne River Formation

Type Locality:
Not designated. First described along Duchesne River, Duchesne Co., UT by J.L. Kay, 1934, Carnegie Mus. Annals, v. 23, p. 357-359 [Geologic names lexicon, USGS Bull. 1200].

Subunits:
(alphabetical): Brennan Basin Member (UT*), Dry Gulch Creek Member (UT*), Halfway Member (UT), Lapoint Member (UT*), Starr Flat Member (UT*).

Unit Name History:
Age modified (Cashion and Brown, 1956). Revised, divided into Brennan Basin (new), Dry Gulch Creek (new), Lapoint, and Starr Flat (new) Members (Anderson and Picard, 1972). Age modified; Isotopic dating; Areal limits (Bryant and others, 1990).

References

Cashion, W.B. and Brown, J.H., Jr., 1956, Geology of the Bonanza-Dragon oil-shale area, Uintah County, Utah and Rio Blanco County, Colorado: U.S. Geological Survey Oil and Gas Investigations Map, OM-153, 2 sheets, scale 1:62,500.

Anderson, D.W. and Picard, M.D., 1972, Stratigraphy of the Duchesne River Formation (Eocene-Oligocene?), northern Uinta basin, northeastern Utah: Utah Geological and Mineral Survey Bulletin, no. 97, 29 p.

Bryant, B.H., Naeser, C.W., Marvin, R.F. and Mehnert, H.H., 1990, Upper Cretaceous and Paleogene sedimentary rocks and isotopic ages of Paleogene tuffs, Uinta basin, Utah, IN Evolution of sedimentary basins; Uinta and Piceance basins: U.S. Geological Survey Bulletin, 1787-J, p. J1-J22.

Wood, H.E., II, Chaney, R.W. and and others, 1941, Nomenclature and correlation of the North American continental Tertiary: Geological Society of America Bulletin, v. 52, no. 1, p. 1-18.

Bryant, B.H., Naeser, C.W., Marvin, R.F. and Mehnert, H.H., 1990, Upper Cretaceous and Paleogene sedimentary rocks and isotopic ages of Paleogene tuffs, Uinta basin, Utah, IN Evolution of sedimentary basins; Uinta and Piceance basins: U.S. Geological Survey Bulletin, 1787-J, p. J1-J22.