Basalt flows, plugs and dikes, some olivine basalt, and andesite and latitic rocks. This unit corresponds with unit Tb on the 1978 State map. It is present on the Washoe North, Washoe South, Lincoln, Clark, Elko, Eureka, Humboldt, Nye South, and Lander County maps.
State Nevada
Name Basalt
Geologic age Miocene
Lithologic constituents
Igneous > Volcanic > Mafic-volcanic > Basalt (Flow, Dike or sill)Basalt flows, plugs and dikes, some olivine basalt.
Igneous > Volcanic > Mafic-volcanic > Andesite
Igneous > Volcanic > Felsic-volcanic > Latitelatitic rocks
NGMDB product
Counties Clark - Elko - Eureka - Humboldt - Lander - Lincoln - Nye - Storey - Washoe