Limestone, arenite, shale, dolostone, and siltstone; Upper Proterozoic to Cambrian marine continental-shelf deposits; southeastern Idaho (IDC;0)

State	Idaho
Name	Limestone, arenite, shale, dolostone, and siltstone; Upper Proterozoic to Cambrian marine continental-shelf deposits; southeastern Idaho
Geologic age	Cambrian
Original map label	C
Comments	Gibson Jack, Sedgwick Peak Quartzite, Windy Pass Argillite, and upper part of Camelback Mountain Quartzite are Early Cambrian in age. Below that, the rest of the Brigham Group is Late Proterozoic in age.
Primary rock type	limestone
Secondary rock type	arenite
Other rock types	shale; dolostone (dolomite); siltstone
Lithologic constituents	Major Sedimentary > Carbonate > Limestone (Bed)Elkhead Limestone, St. Charles Limestone Minor Sedimentary > Clastic > Mudstone > Shale (Bed)Lead Bell Shale, Bloomington Fm, Windy Pass Arg. Sedimentary > Clastic > Sandstone > Arenite (Bed)upper Camelback Mtn., Sedgwick, Worm Cr. Incidental Sedimentary > Clastic > Siltstone (Bed)Gibson Jack Fm, Bloomington Fm Sedimentary > Carbonate > Dolostone (Bed)Langston Dolomite, Nounan dolomite
Map references	Bond, J.G., Kauffman, J.D., Miller, D.A., and Venkatakrishnan, Ramesh, 1978, Geologic map of Idaho: Moscow, Idaho, Idaho Bureau of Mines and Geology, with contributions from U.S. Geological Survey, scale 1:500,000.
Unit references	Bond, J.G., Kauffman, J.D., Miller, D.A., and Venkatakrishnan, Ramesh, 1978, Geologic map of Idaho: Moscow, Idaho, Idaho Bureau of Mines and Geology, with contributions from U.S. Geological Survey, scale 1:500,000. Oriel, S.S., and Platt, L.B., 1980, Geologic map of the Preston 1o x 2o quadrangle, southeastern Idaho and western Wyoming: U.S. Geological Survey Miscellaneous Investigations Series, Map I-1127, scale 1:250,000. [http://pubs.er.usgs.gov/publication/i1127] Isaacson, P.E., 1983, Stratigraphic correlation of the Paleozoic and Mesozoic rocks of Idaho: Moscow, Idaho, Idaho Bureau of Mines and Geology, Information Circular 37. Rember, W.C., and Bennett, E.H., 1979, Geologic map of the Pocatello quadrangle, Idaho: Moscow, Idaho, Idaho Bureau of Mines and Geology, Geologic Map Series, Pocatello 2o quadrangle, scale 1:250,000. Trimble, D.E., and Carr, W.J., 1976, Geology of the Rockland and Arbon quadrangles, Power County, Idaho: U.S. Geological Survey Bulletin 1399, 115 p., 1 plate 1:48000 scale. [http://pubs.er.usgs.gov/publication/b1399] Crittenden, M.D., Schaeffer, F.E., Trimble, D.E., and Woodward, L.A., 1971, Nomenclature and correlations of some upper Precambrian and basal Cambrian sequences in western Utah and southeastern Idaho: Geological Society of America Bulletin, v. 82, no. 3, p. 581-602.
Geographic coverage	Bannock - Bear Lake - Bonneville - Caribou - Franklin - Owyhee - Power