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Younger andesite and intermediate flows and breccias (NVTa3;0)
Geologic Formation
in
NV
,
CA
,
AZ
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Lithology
Dacite
Andesite
Geologic Age
Miocene (23.03 Ma – 5.33 Ma ago)
Geologic Unit Label
Ta3
Includes some rocks mapped as the Kate Peak and Alta Formations on the Washoe South map; Wahmonie and Salyer Formations on the Nye South map; Gilbert Andesite on the Esmeralda map; pyroxene, hornblende phenoandesite, and phenodacite on the Elko map; and other unnamed units. It corresponds to the unit Ta3 on the 1978 State map. It is present everywhere except Eureka and White Pine Counties.
—
USGS
Taxonomy
Classified As
Geologic Formation
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