Mineral Resources On-Line Spatial Data
Mineral Resources > Online Spatial Data > Geology > by state > Wisconsin
| State | Wisconsin |
|---|---|
| Name | Granite-tonalite |
| Geologic age | Early Proterozoic |
| Original map label | Xgg |
| Comments | Pembine-Wausau terrane |
| Primary rock type | granite |
| Secondary rock type | tonalite |
| Other rock types | gneiss |
| Lithologic constituents | Major
Metamorphic > GneissGray to pinkish-gray, medium-grained, generally equigranular granite to tonalite and granitoid gneiss; locally includes diorite. Intrudes older metavolcanic rocks. Zircon ages range from 1852 +- 15 to 1862 +- 5 Ma Igneous > Plutonic > Granitic > TonaliteGray to pinkish-gray, medium-grained, generally equigranular granite to tonalite and granitoid gneiss; locally includes diorite. Intrudes older metavolcanic rocks. Zircon ages range from 1852 +- 15 to 1862 +- 5 Ma Igneous > Plutonic > Granitic > GraniteGray to pinkish-gray, medium-grained, generally equigranular granite to tonalite and granitoid gneiss; locally includes diorite. Intrudes older metavolcanic rocks. Zircon ages range from 1852 +- 15 to 1862 +- 5 Ma Minor
Igneous > Plutonic > Dioritic > DioriteGray to pinkish-gray, medium-grained, generally equigranular granite to tonalite and granitoid gneiss; locally includes diorite. Intrudes older metavolcanic rocks. Zircon ages range from 1852 +- 15 to 1862 +- 5 Ma |
| Map 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 |
| Unit 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 |
| Geographic coverage | Chippewa - Florence - Forest - Marinette - Oneida - Price - Rusk - Sawyer - Taylor - Vilas |
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