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BASEMAPS
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WEATHER
Early Proterozoic granitic rocks (AZXg;0)
Geologic Formation
in
AZ
,
NV
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Lithology
Granite
Granodiorite
Tonalite
Other
(7,025 mi²)
Geologic Age
Statherian (1800 Ma – 1600 Ma ago)
Geologic Unit Label
Xg
Wide variety of granitic rocks, including granite, granodiorite, tonalite, quartz diorite, diorite, and gabbro. These rocks commonly are characterized by steep, northeast-striking foliation. (1600-1800 Ma)
—
USGS
Taxonomy
Classified As
Geologic Formation
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