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MAP

Topo

Rock Formations

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Topo

Ecoregions

Public Lands

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BASEMAPS

Default Weather

Temperature

Smoke

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WEATHER

Early Proterozoic metavolcanic rocks (AZXmv;0)

Geologic Formation in AZ

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Geologic Age

Statherian (1800 Ma – 1650 Ma ago)

Geologic Unit Label

Xmv

Weakly to strongly metamorphosed volcanic rocks. Protoliths include basalt, andesite, dacite, and rhyolite deposited as lava or tuff, related sedimentary rock, and shallow intrusive rock. These rocks, widely exposed in several belts in central Arizona, include metavolcanic rocks in the Yavapai and Tonto Basin supergroups. (1650 to 1800 Ma)

— USGS

Taxonomy

Classified As

Geologic Formation