| State | Wisconsin |
|---|---|
| Name | Wolf River batholith; Waupaca Granite |
| Geologic age | Middle Proterozoic |
| Lithologic constituents | Major
Igneous > Plutonic > Granitic > GraniteRapakivi granite (wiborgite) containing 70-80 percent coarse (1.5 -5 cm) ovoid alkali feldspars mantled by plagioclase, coarse anhedral quartz, and interstitial hornblende and biotite
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| References | Van Schmus and others , 1975, Geology and age of the Wolf River batholith, Wisconsin: Geological Society of America Bullein, v. 86, p. 907-914.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 | Outagamie - Portage - Waupaca |