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Biotite from
Stevens Point, Portage County, Wisconsin, USA


Locality type:Point
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Stevens Point, Portage County, Wisconsin, USA
Data Identifiers
Mindat Occurrence Record ID:860255
Long-form Identifier:1:3:860255:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
23.9km (14.9 miles) ⓘTork and Haessley Company quarries, Wisconsin Rapids, Wood County, Wisconsin, USA
41.4km (25.7 miles) ⓘWaupaca granite quarry, Waupaca County, Wisconsin, USA
43.7km (27.1 miles) ⓘKoss pit, Nine Mile Pluton, Wausau Intrusive Complex, Marathon County, Wisconsin, USA
46.8km (29.1 miles) ⓘBeilke Quarry, Nine Mile Pluton, Wausau Intrusive Complex, Marathon County, Wisconsin, USA
50.2km (31.2 miles) ⓘDupont uranium claims, Waupaca County, Wisconsin, USA
50.4km (31.3 miles) ⓘKeller Lake pegmatite, Waupaca County, Wisconsin, USA
50.9km (31.6 miles) ⓘCounty quarry, Cary Mound area quarries, Wood County, Wisconsin, USA
51.9km (32.2 miles) ⓘBeryl mine, Tigerton, Shawano County, Wisconsin, USA
55.9km (34.8 miles) ⓘTigerton anorthosite outcrops, Tigerton, Shawano County, Wisconsin, USA
57.0km (35.4 miles) ⓘCounty road U road cut, Stettin pluton, Wausau Intrusive Complex, Marathon County, Wisconsin, USA
References
Maass, R. S. (1986) Penokean deformation and metamorphism in central Wisconsin: volcanic rocks and gneisses: Wisconsin Geological and Natural History Survey: field trip guidebook prepared for the 32nd annual meeting of the Institute on Lake Superior Geology: 8-10.
 
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