Wasatch Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Cenozoic
 ...Paleogene
 ....Wasatch Formation
RTPaleocene
 Eocene
 New Mexico
 Utah
 Wyoming
 Montana
 Colorado
 North Dakota
 Vermillion Creek coal bed
SNPaleocene and Eocene. In Wasatch Plateau, consists of three members: lower member of sandstone, varicolored shale, conglomerate and small amounts of fresh-water limestone; and an upper member of varicolored shale and sandstone. W Colorado, central S and S