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Gneiss and amphibolite

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Interlayered quartzofeldpathic gneiss and amphibolite between Athens shear zone and Owen fault, central Wisconsin
State Wisconsin
Name Gneiss and amphibolite
Geologic age Early Proterozoic
Lithologic constituents
Major
Metamorphic > GneissInterlayered quartzofeldpathic gneiss and amphibolite between Athens shear zone and Owen fault, central Wisconsin
Metamorphic > AmphiboliteInterlayered quartzofeldpathic gneiss and amphibolite between Athens shear zone and Owen fault, central Wisconsin
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
NGMDB product
Counties Clark - Lincoln - Marathon - Taylor