Basalt flows (NVQTb;0)

Basalt flows

Olivine basalt and basaltic and andesitic rocks. This unit is present in Clark, Elko, Mineral, Esmeralda, Humboldt, Lincoln, Lyon, Douglas, Carson, Nye, Washoe, and Lander Counties. It corresponds to the 1978 State map unit QTb.

State	Nevada
Name	Basalt flows
Geologic age	Holocene to Pliocene
Lithologic constituents	Major Igneous > Volcanic > Mafic-volcanic > Basaltic-andesite (Flow) Igneous > Volcanic > Mafic-volcanic > Basalt (Flow)olivine basalt
References	Crafford, A.E.J., 2007, Geologic Map of Nevada: U.S. Geological Survey Data Series 249, 1 CD-ROM, 46 p., 1 plate; Scale 1:250,000. Extended unit descriptions taken from pamphlet that accompanies geologic data/map. https://pubs.er.usgs.gov/publication/ds249
NGMDB product	NGMDB product page for 81584
Counties	Churchill - Clark - Elko - Esmeralda - Humboldt - Lander - Lincoln - Lyon - Mineral - Nye - Storey - Washoe - Carson City

Basalt flows

Crafford, A.E.J., 2007, Geologic Map of Nevada: U.S. Geological Survey Data Series 249, 1 CD-ROM, 46 p., 1 plate; Scale 1:250,000. Extended unit descriptions taken from pamphlet that accompanies geologic data/map.