Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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Bornite from
Back Forty Deposit, Menominee County, Michigan, USA


Locality type:Deposit
Classification
Species:Bornite
Formula:Cu5FeS4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Bornite data
Locality Data:Click here to view Back Forty Deposit, Menominee County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:690292
Long-form Identifier:1:3:690292:6
GUID (UUID V4):0
Nearest other occurrences of Bornite
84.9km (52.8 miles) ⓘCrandon massive sulfide deposit (Little Sand Lake Deposit; Crandon Project; Exxon Deposit), Little Sand Lake, Forest County, Wisconsin, USA
91.2km (56.6 miles) ⓘBuck Mine, Buck Group, Gaastra, Iron County, Michigan, USA
96.5km (60.0 miles) ⓘSherwood Mine, Mineral Hills, Iron River, Iron County, Michigan, USA
References
Quigley, Tom, and Mahin, Bob, 2008, Back Forty Geology and Mineralization: Proceedings of the Institute on Lake Superior Geology, v. 54, Part 2 - Field Trip Guidebook, 66-85.
DeMatties, T. A. (2018). Effects of paleoweathering and supergene activity on volcanogenic massive sulfide (VMS) mineralization in the Penokean Volcanic Belt, northern Wisconsin, Michigan and east-central Minnesota, USA: Implications for future exploration. Ore Geology Reviews, 95, 216-237.
 
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