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Biotite from
Opemiska mines (Opemiska Copper Complex), Chibougamau mining district, Nord-du-Québec, Québec, Canada

Locality type:Mine
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
References
References:McMillan, R. H. (1973). Petrology, Geochemistry And Wallrock Alteration At Opemiska--a Vein Copper Deposit Crosscutting A Layered Archean Ultramafic-mafic Sill. PhD Thesis University of Western Ontario.
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Opemiska mines (Opemiska Copper Complex), Chibougamau mining district, Nord-du-Québec, Québec, Canada
Nearest other occurrences of Biotite
45.9km (28.5 miles) A Chibougamau mining district, Nord-du-Québec, Québec, Canada
48.3km (30.0 miles) B Henderson mine, Opemisca deposits, Chibougamau mining district, Nord-du-Québec, Québec, Canada
50.9km (31.6 miles) C Brosman prospect, Jamésie, Nord-du-Québec, Québec, Canada
98.0km (60.9 miles) D Bachelor Lake mine (Bachelor mine), Chibougamau mining district, Nord-du-Québec, Québec, Canada
119.7km (74.4 miles) E Montviel carbonatite complex, Nord-du-Québec, Québec, Canada
137.8km (85.6 miles) F Crevier alkaline complex, Maria-Chapdelaine RCM, Saguenay-Lac-Saint-Jean, Québec, Canada
175.7km (109.2 miles) G Metawishish River Nepheline Syenite Locality, Baie-James, Nord-du-Québec, Québec, Canada
221.7km (137.7 miles) H Whabouchi pegmatite, Baie-James, Nord-du-Québec, Québec, Canada
Mineral and/or Locality  
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