Older Precambrian metamorphic rocks in Salt Lake City-Coalville-Randolph region (UTpCAm;3)

State	Utah
Name	Older Precambrian metamorphic rocks in Salt Lake City-Coalville-Randolph region
Geologic age	Archean
Original map label	PCm
Comments	about 2.6 Ga; well exposed on Antelope Island
Primary rock type	metamorphic rock
Secondary rock type	plutonic rock (phaneritic)
Other rock types
Lithologic constituents	Major Metamorphic (Amphibolite)gneisses and schist Minor Igneous > Plutonic (Dike or sill)pegmatite, also small bodies
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. Willis, G.C., Yonkee, W.A., Doelling, H.H., and Jensen, M.E., 2000, Geology of Antelope Island State Park, Utah, 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. 337-364. Nelson, S.T., Harris, R.A., Dorais, M.J., Heizler, M., Constenius, K., and Barnett, D.E., 2002, Basement complexes in the Wasatch Fault, Utah, provide new limits on crustal accretion: Geology, v. 30, no. 9, p. 831-834.
Geographic coverage	Box Elder - Davis - Morgan - Salt Lake - Weber