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Granitic rocks of 2,000-Ma Age Group

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Medicine Bow Mountains--Gaps Intrusion 3 (granitic). Hartville uplift--Granite and quartz monzonite of Flattop Butte 6; age 2,150+/- Ma.
State Wyoming
Name Granitic rocks of 2,000-Ma Age Group
Geologic age Early Proterozoic
Lithologic constituents
Major
Igneous > Plutonic > Syenitic > Quartz-monzonite
Igneous > Plutonic > Granitic > Granite
References

Love, J.D. and Christiansen, A.C., 1985, Geologic Map of Wyoming: U.S. Geological Survey, scale 1:500,000.

https://pubs.er.usgs.gov/publication/70046739
NGMDB product
Counties Goshen - Niobrara