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Rhyolite at and near Cary Mound and near Brokaw (about 1835 Ma)

Rhyolite at and near Cary Mound and near Brokaw (about 1835 Ma) - Flow-banded rhyolite, welded tuff, volcanic conglomerate, and volcanogenic sedimentary rocks. Exposed in both Pembine-Wausau and Marshfield terranes.
StateWisconsin
NameRhyolite at and near Cary Mound and near Brokaw (about 1835 Ma)
Geologic ageEarly Proterozoic
Original map labelXrg
CommentsExposed in both Pembine-Wausau and Marshfield terranes.
Primary rock typerhyolite
Secondary rock typeconglomerate
Other rock typestuff
Lithologic constituents
Major
Sedimentary > Clastic > ConglomerateFlow-banded rhyolite, welded tuff, volcanic conglomerate, and volcanogenic sedimentary rocks.
Igneous > Volcanic > Felsic-volcanic > RhyoliteFlow-banded rhyolite, welded tuff, volcanic conglomerate, and volcanogenic sedimentary rocks.
Minor
Igneous > Volcanic > Felsic-volcanic (Pyroclastic, tuff)Flow-banded rhyolite, welded tuff, volcanic conglomerate, and volcanogenic sedimentary rocks.
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 coverageMarathon

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