Mancos Shale, Frontier Ss, and Mowry Shale (UTK2;6)

Mancos Shale (Hilliard Shale and Blair Formation north of Uinta Mountains), Frontier Ss, and Mowry Shale.

State	Utah
Name	Mancos Shale, Frontier Ss, and Mowry Shale
Geologic age	Late Cretaceous
Lithologic constituents	Major Sedimentary > Clastic > Mudstone > Shale (Bed) Minor Sedimentary > Clastic > Sandstone (Bed)
References	Hintze, L.F., 1980, Geologic map of Utah: Utah Geological and Mineral Survey, scale 1:500,000. 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. https://pubs.er.usgs.gov/publication/b1787Q Hettinger, R.D. and Kirschbaum, M.A., 2002, Stratigraphy of the Upper Cretaceous Mancos Shale (upper part) and Mesaverde Group in the southern part of the Uinta and Piceance basins, Utah and Colorado: U.S. Geological Survey Investigations Series I-2764, 21 p., 2 sheets, http://greenwood.cr.usgs.gov/pub/i-maps/i-2764/ https://pubs.er.usgs.gov/publication/i2764
NGMDB product	NGMDB product page for 67350
Counties	Daggett - Duchesne - Uintah - Wasatch