Elder Sandstone (NVSe;0)

State	Nevada
Name	Elder Sandstone
Geologic age	Silurian
Original map label	Se
Comments	The Elder Sandstone is at least 2,000 feet thick and probably more than 4,000 feet thick (Stewart and McKee, 1977).
Primary rock type	arkose
Secondary rock type	siltstone
Other rock types	shale; chert
Lithologic constituents	Major Sedimentary > Clastic > Sandstone > Arkose (Bed)Includes sparse quartzite. Minor Sedimentary > Clastic > Siltstone (Bed)Possibly incidental in rank (relative abundance vague or unreported in literature). Incidental Sedimentary > Chemical > Chert (Bed)Possibly minor in rank (relative abundance vague or unreported in literature). Sedimentary > Clastic > Mudstone > Shale (Bed)Sandy siliceous tuffite shale and lesser cherty shale. Possibly minor in rank (relative abundance vague or unreported in literature).
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. Stewart, J.H., and McKee, E.H., 1977, Geology, Pt. 1, in Geology and Mineral Deposits of Lander County, Nevada: Nevada Bureau of Mines and Geology Bulletin 88, p. 1-59, 3 pl.
Geographic coverage	Lander