Sandy and silty limestone, conglomerate, and siltstone (NVPPAcd;0)

State	Nevada
Name	Sandy and silty limestone, conglomerate, and siltstone
Geologic age	Pennsylvanian to Late Permian
Original map label	PPcd
Comments	The Garden Valley Formation ranges from 2,700 to 5,000 feet thick (Roberts and others, 1967). Roberts and others, 1967 also reports that, in the Diamond Mountains, the Carbon Ridge Formation is 1,500 to 1,750 feet thick; Hose and Blake, 1976, report that it ranges from 1,400 to 2,300 feet thick. The Strathearn Formation ranges from 1,200 to 2,000 feet thick; the Buckskin Mountain Formation is about 1,200 feet thick; the Beacon Flat Formation is about 2,800 feet thick (Coats, 1987).
Primary rock type	limestone
Secondary rock type	conglomerate
Other rock types	siltstone; sandstone; chert
Lithologic constituents	Major Sedimentary > Clastic > Conglomerate (Bed)Predominant lithology within the Garden Valley Formation; prevalent within the Carbon Ridge Formation. Sedimentary > Carbonate > Limestone (Bed)Includes calcsiltite and calcarenite of Buckskin Mountain, Carlin Canyon, and Beacon Flat Formations. Minor Sedimentary > Clastic > Siltstone (Calcareous) Incidental Sedimentary > Chemical > Chert (Bed) Sedimentary > Clastic > Sandstone (Bed)
Map references	Stewart, J.H., and Carlson, J.E., 1978, Geologic Map of Nevada: U.S. Geological Survey and Nevada Bureau of Mines and Geology, 1:500,000 (not part of any formal series, printed and distributed by the U.S. Geological Survey, G75163, reprinted, 1981, G81386).
Unit references	Stewart, J.H., and Carlson, J.E., 1978, Geologic Map of Nevada: U.S. Geological Survey and Nevada Bureau of Mines and Geology, 1:500,000 (not part of any formal series, printed and distributed by the U.S. Geological Survey, G75163, reprinted, 1981, G81386). Stewart, J. H., 1980, Geology of Nevada: A discussion to accompany the Geologic Map of Nevada: Nevada Bureau of Mines and Geology Special Publication 4. Hose, R.K., and Blake, M.C, Jr., 1976, Geology, Pt. 1, in Geology and Mineral Resources of White Pine County, Nevada: Nevada Bureau of Mines and Geology Bulletin 85, p. 1-32, 2 pl. Coats, R.R., 1987, Geology of Elko County, Nevada: Nevada Bureau of Mines and Geology Bulletin 101, 112 p., 1 pl. Roberts, R.J., Montgomery, K.M., and Lehner, R.E., 1967, Geology and Mineral Resources of Eureka County, Nevada: Nevada Bureau of Mines and Geology Bulletin 64, 152 p., 12 pl. Kleinhampl, F.J., and Ziony, J.I., 1985, Geology of Northern Nye County, Nevada: Nevada Bureau of Mines and Geology Bulletin 99A, 172 p., 2 pl.
Geographic coverage	Elko - Eureka - Nye - White Pine