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Basaltic and andesitic breccia

Basaltic and andesitic breccia - Exposed in northeastern Wisconsin
StateMichigan
NameBasaltic and andesitic breccia
Geologic ageEarly Proterozoic
Original map labelXba
CommentsPembine-Wausau terrane
Primary rock typevolcanic breccia (agglomerate)
Secondary rock type
Other rock types
Lithologic constituents
Major
Igneous > Volcanic > Mafic-volcanic > Basalt (Volcaniclastic, volcanic breccia)basaltic and andesitic breccia
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 coverageMenominee

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