State | Wisconsin |
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Name | Granite-tonalite |
Geologic age | Early Proterozoic |
Lithologic constituents |
Major
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
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
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
|
Comments | Pembine-Wausau terrane |
References | |
NGMDB product | |
Counties | Chippewa - Florence - Forest - Marinette - Oneida - Price - Rusk - Sawyer - Taylor - Vilas |