Andesite and basalt flows (NVTba;0)

State	Nevada
Name	Andesite and basalt flows
Geologic age	Early Miocene to Early Pliocene
Original map label	Tba
Primary rock type	basalt
Secondary rock type	andesite
Other rock types	shoshonite
Lithologic constituents	Major Igneous > Volcanic > Mafic-volcanic > Basaltic-andesite (Flow) Minor Igneous > Volcanic > Mafic-volcanic > Basalt (Flow) Incidental Igneous > Volcanic > Mafic-volcanic > Andesite (Flow)
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.
Geographic coverage	Churchill - Clark - Elko - Esmeralda - Eureka - Humboldt - Lander - Lincoln - Lyon - Mineral - Nye - Pershing - Storey - Washoe - White Pine