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Peridotite intrusive rocks

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In Laramie Mountains.
State Wyoming
Name Peridotite intrusive rocks
Geologic age Late Archean
Lithologic constituents
Major
Igneous > Plutonic > Ultramafic > Peridotite
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 Albany - Carbon - Fremont - Platte