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Mafic to felsic metavolcanic rocks

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Volcanic rocks in areas of sparse geologic data and nondefinitive magnetic and gravity data
State Wisconsin
Name Mafic to felsic metavolcanic rocks
Geologic age Early Proterozoic
Lithologic constituents
Major
Metamorphic > Metaigneous > MetavolcanicVolcanic rocks in areas of sparse geologic data and nondefinitive magnetic and gravity data
Comments Pembine-Wausau terrane
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
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Counties Chippewa - Clark - Forest - Langlade - Lincoln - Marathon - Marinette - Oconto - Oneida - Price - Rusk - Taylor