prepared in cooperation with the MISCELLANEOUS INVESTIGATIONS SERIES UTAH GEOLOGICAL AND MINERAL SURVEY FOLIO OF THE UINTA AND PICEANCE BASIN PROVINCE MAP I-2184-A (sheet 1 of 2) UTAH COLORADO 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 7 6.5 6 Anvil Points and Garden Gulch Members of Green River Formation 5.5 Uinta Formation 5 Top of Mahogany oil-shale zone of Parachue Creek Member Parachute Creek Member 4.5 Formation Green River Cow Ridge Member Parachute Creek Member Wasatch Formation 4 Garden Gulch Member Fort Union Formation 3.5 Lion Canyon Sandstone Member of Williams Fork Formation Williams Fork Formation 3 Mesaverde Group Mesaverde Group undifferentiated Trout Creek Sandstone Member of Iles Formation Sego Sandstone of Mesaverde Group Buck Tongue of main Main body of the Mancos Group body of Mancos Group 2.5 Castlegate Sandstone Sego Sandstone of of Mesaverde Group Mesaverde Group Iles Formation FIGURE 1. Map showing locations of control points for stratigraphic and time-stratigraphic cross section A-A’. Purple areas show uplifts underlain mainly by pre-Cretaceous rocks. Buck Tongue of main body of Mancos Group Buck Tongue of main body of Mancos Group Castlegate Sandstone of Mesaverde Group Loyd Sandstone Bed of Buck Tongue 2 1.5 Main body of Mancos Group Mancos Group Main body of the Mancos Mancos Group Group 1 Frontier Formation Mowry Shale Frontier Formation Mowry Shale Morrison Dakota S Formation andstone and Cedar Mountain Formation Stump Stump Formation Formation Sundance Morrison Formation Formation BELOW DATUM Entrada Sandstone Benton Shale 0.5 Carmel Formation Entrada Sandstone 1000 Carmel Morrison Formation Dakota Sandstone Glen Canyon Formation Glen Canyon Sandstone Sandstone Morrison Formation METERS X Chinle Formation Chinle Formation Entrada Sandstone Chinle Formation Moenkopi Formation State Bridge Formation State Bridge State Bridge DATUM-TOP OF THE MAROON Formation Formation FORMATION, THE WEBER SANDSTONE, THE OQUIRRH GROUP, AND THE Phosphoria and Park City Formations KIRKMAN LIMESTONE Weber Sandstone Maroon Formation Weber Sandstone Maroon Formation Morrison Maroon Formation Formation BELOW DATUM 1000 0.5 METERS X Morgan Formation Eagle Valley Evaporite 1 Eagle Valley Manitou Dolomite and Evaporite Dotsero Formation Madison Limestone Leadville Limestone Eagle Valley Minturn Evaporite Formation Chaffee Group Belden Shale Belden Shale 1.5 Leadville Limestone Manitou Dolomite and Dotsero Formation Chaffee Group STRATIGRAPHIC AND TIME-STRATIGRAPHIC Sawatch Quartzite CROSS SECTIONS OF PHANEROZOIC ROCKS ALONG LINE A-A’, UINTA AND PICEANCE BASIN AREA-EAGLE BASIN, COLORADO, 2 TO EASTERN BASIN AND RANGE AREA, UTAH SCALE 1:500 000 Harding Sandstone 2.5 STRATIGRAPHIC CROSS SECTION Samuel Y. Jackson and Ronald C. Johnson 3 COMPILATION CONDUCTED 1988-1989 MANUSCRIPT APPROVED FOR PUBLICATION AUGUST 6, 1990.