Jurassic (1) sedimentary rocks in Uinta Mountains-Uinta Basin region (UTJ1;6)

State	Utah
Name	Jurassic (1) sedimentary rocks in Uinta Mountains-Uinta Basin region
Geologic age	Middle to Late Jurassic
Original map label	J1
Comments	In places, known as Curtis Member of Stump Formation. Shallow marine to restricted marine (Carmel), eolian (Entrada Sandstone), marine (Stump/Curtis)
Primary rock type	sandstone
Secondary rock type	mudstone
Other rock types	limestone; evaporite
Lithologic constituents	Major Sedimentary > Clastic > Sandstone > Arenite (Bed) Minor Sedimentary > Carbonate > Limestone (Bed) Sedimentary > Clastic > Mixed-clastic > Sandstone-mudstone (Bed) Incidental Sedimentary > Chemical > Evaporite > Gypsum (Bed)
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. Rowley, P.D., Hansen, W.R., Tweto, O., and Carrara, P.E., 1985, Geologic map of the Vernal 1ø x 2ø quadrangle, Colorado, Utah, and Wyoming: U.S. Geological Survey Miscellaneous Investigations Series I-1526, scale 1:250,000. [http://pubs.er.usgs.gov/publication/i1526] Gregson, J.D., and Chure, D.J., 2000, Geology and Paleontology of Dinosaur National Monument, Utah-Colorado, in Sprinkel, D.A., Chidsey, Jr., T.C., and Anderson, P.B., Geology of Utah's Parks and Monuments: Utah Geological Association Publication 28, p. 155-188. Chure, D.J., 1993, The first record of ichthyosaurs from Utah: Brigham Young University Geology Studies 39, p. 65-69.
Geographic coverage	Daggett - Duchesne - Uintah - Wasatch