| State | Utah |
|---|---|
| Name | Curtis Fm, Entrada Ss, and Carmel Fm |
| Geologic age | Middle to Late Jurassic |
| Lithologic constituents |
Major
Sedimentary > Clastic > Sandstone > Arenite (Bed)
Minor
Sedimentary > Clastic > Mixed-clastic > Sandstone-mudstone (Bed)
Sedimentary > Carbonate > Limestone (Bed)
Incidental
Sedimentary > Chemical > Evaporite > Gypsum (Bed)
|
| Comments | In places, known as Curtis Member of Stump Formation. Shallow marine to restricted marine (Carmel), eolian (Entrada Sandstone), marine (Stump/Curtis) |
| Stratigraphic units | Stump Formation |
| 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.https://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. |
| NGMDB product | |
| Counties | Daggett - Duchesne - Uintah - Wasatch |