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Wausau Pluton; Granite near Big Eau Pleine Reservoir

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Pink to red, medium- to fine-grained granite containing miarolitic cavities
State Wisconsin
Name Wausau Pluton; Granite near Big Eau Pleine Reservoir
Geologic age Middle Proterozoic
Lithologic constituents
Major
Igneous > Plutonic > Granitic > Granitepink to red, medium- to fine-grained granite containing miarolitic cavities
Comments Wausau pluton is approximately 1515 Ma old
References

Sims, P.K., 1992, Geologic map of Precambrian rocks, southern Lake Superior region, Wisconsin and northern Michigan: U.S. Geological Survey Miscellaneous Investigations Map I-2185, scale 1:500,000.

https://pubs.er.usgs.gov/publication/i2185
NGMDB product
Counties Marathon