Rhyolitic flows and shallow intrusive rocks (NVQTr;0)

State	Nevada
Name	Rhyolitic flows and shallow intrusive rocks
Geologic age	Miocene to Quaternary
Original map label	QTr
Comments	Protrusive rhyolite domes occur in Washoe County (Bonham, 1969), and trachybasalt and latite occurs in Mineral County (Ross, 1961).
Primary rock type	rhyolite
Secondary rock type	trachybasalt
Other rock types	latite; dacite; trachyte
Lithologic constituents	Major Igneous > Volcanic > Felsic-volcanic > Rhyolite (Dome) Minor Igneous > Volcanic > Felsic-volcanic > Latite (Flow) Igneous > Volcanic > Mafic-volcanic > Basalt (Flow)Trachybasalt Incidental Igneous > Volcanic > Felsic-volcanic > Trachyte (Flow) Igneous > Volcanic > Felsic-volcanic > Dacite (Dome)
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). Ross, D.C., 1961, Geology and Mineral Deposits of Mineral County, Nevada: Nevada Bureau of Mines and Geology Bulletin 58, 98 p., 2 pl. Bonham, H.F., 1969, Geology and Mineral Deposits of Washoe and Storey Counties, Nevada: Nevada Bureau of Mines and Geology Bulletin 70, 140 p., 6 pls.
Geographic coverage	Mineral - Storey - Washoe