Older Precambrian metamorphic rocks in Uinta Mountains-Uinta Basin region (UTpCAm;6)

State	Utah
Name	Older Precambrian metamorphic rocks in Uinta Mountains-Uinta Basin region
Geologic age	Proterozoic W
Original map label	PCm
Comments	was deposited in a shallow marine environment offshore of the Archean continent; abt 20,000 ft thick; 2.3 Ga
Primary rock type	quartzite
Secondary rock type	schist
Other rock types	amphibolite
Lithologic constituents	Major Metamorphic > Quartzite (Amphibolite) Minor Metamorphic > Schist (Amphibolite) Metamorphic > Amphibolite (Amphibolite)
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. Sears, J.W., Graf, P.J., and Holden, G.S., 1982, Tectonic evolution of lower Proterozoic rocks, Uinta Mountains, Utah and Colorado: Geological Society of America Bulletin, v. 93, no. 10, p. 990-997. Sprinkel, D.A., 2000, Geology of Flaming Gorge National Recreational Area, Utah-Wyoming, 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. 277-299.
Geographic coverage	Daggett