Tertiary (1) sedimentary rocks in Uinta Mountains-Unita Basin region (UTT1;6)

State	Utah
Name	Tertiary (1) sedimentary rocks in Uinta Mountains-Unita Basin region
Geologic age	Early to Middle Eocene
Original map label	T1
Comments	non-marine. Flagstaff in Unita basin called Flagstaff Member of Green River Formation by Fouch (1976)
Primary rock type	fine-grained mixed clastic
Secondary rock type	limestone
Other rock types	coal
Lithologic constituents	Major Sedimentary > Clastic > Mixed-clastic > Sandstone-mudstone (Bed)alluvial deposit of Colton Formation Minor Sedimentary > Carbonate > Limestone (Bed)at base, equals Flagstaff Limestone Incidental Sedimentary > Coal (Lens)algal coal in Flagstaff (Johnson, 1985)
Map references	Hintze, L.F., 1980, Geologic map of Utah: Utah Geological and Mineral Survey, scale 1:500,000.
Unit references	Hintze, L.F., 1980, Geologic map of Utah: Utah Geological and Mineral Survey, scale 1:500,000. Hintze, L.F., 1988, Geologic History of Utah: Brigham Young University Geology Studies Special Publication 7, 202 p. Franczyk, K.J., Fouch, T.D., Johnson, R.C., Molenaar, C.M., and Cobban, W.A., 1992, Cretaceous and Tertiary paleogeographic reconstructions for the Uinta-Piceance Basin study area, Colorado and Utah: U.S. Geological Survey Bulletin 1787-Q, 37 p. [http://pubs.er.usgs.gov/publication/b1787Q] Fouch, T.D., 1976, Revision of the lower part of the Tertiary System in the central and western Uinta Basin, Utah: U.S. Geological Survey Bulletin 1405-C, 6 p. [http://pubs.er.usgs.gov/publication/b1405C] Johnson, R.C., 1985, Early Cenozoic history of the Uinta and Piceance Creek Basins, Utah and Colorado, with special reference to the development of Eocene Lake Uinta, in Flores, R.M., and Kaplan, S.S., eds., Cenozoic Paleogeography of west-central United States, Rocky Mountain Symposium 3, Society of Economic Geologists and Paleontologists, p. 247-276.
Geographic coverage	Carbon - Daggett - Duchesne - Emery - Grand - Summit - Uintah - Utah - Wasatch