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Pyrite from
Back Forty Deposit, Menominee County, Michigan, USA


Locality type:Deposit
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Back Forty Deposit, Menominee County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:690272
Long-form Identifier:1:3:690272:8
GUID (UUID V4):3d3f93d6-5709-4c8b-8b57-9e030102be4d
Nearest other occurrences of Pyrite
21.7km (13.5 miles) ⓘCamp Five molybdenite deposit (Middle Inlet), Middle Inlet Township, Marinette County, Wisconsin, USA
35.3km (21.9 miles) ⓘEmmett Mine, Dickinson County, Michigan, USA
36.8km (22.9 miles) ⓘEast Vulcan Mine, Vulcan, Dickinson County, Michigan, USA
37.2km (23.1 miles) ⓘLoretto Mine, Loretto, Dickinson County, Michigan, USA
37.6km (23.4 miles) ⓘPenn Mines, Norway, Dickinson County, Michigan, USA
37.7km (23.4 miles) ⓘWest Vulcan Mine, Vulcan, Dickinson County, Michigan, USA
37.8km (23.5 miles) ⓘBrier Hill Prospect, Dickinson County, Michigan, USA
38.6km (24.0 miles) ⓘPayant-Chrissman prospect (Florence County prospect), Aurora, Florence County, Wisconsin, USA
38.8km (24.1 miles) ⓘCyclops Mine, Norway, Dickinson County, Michigan, USA
39.5km (24.5 miles) ⓘMunroe Mine, Dickinson 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.
Reference Search (possible matching items)
DeMatties, Theodore 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 doi:10.1016/j.oregeorev.2018.02.002
Journal (article/letter/editorial)
Volcanic Belt, northern Wisconsin, Michigan and east-central Minnesota, USA: Implications for future exploration...LLC, 34898 University Ave, Cambridge, MN 55008, USA A R T I C L E I N F O A B S T R A C T Keywords:...Belt (PVB) of northern Wisconsin, Michigan and east-central Minnesota, USA. These cycles are responsible...environments. Low protolith reactivity and high hypogene pyrite concentrations promoted acidity of supergene fluids... The most significant are at the Flambeau and Back Forty deposits where Au-Ag-enriched indigenous gossans
Moleski, Nicholas, Boxleiter, Anthony, Thakurta, Joyashish (2018) Sulfur Isotope Ratios from VMS Deposits in the Penokean Volcanic Belt, Great Lakes Region, USA: Constraints on the Source of Sulfur in a Paleoproterozoic Intra-Arc Rift. Minerals, 9 (1) 6 doi:10.3390/min9010006
Journal (article/letter/editorial)
the Penokean Volcanic Belt, Great Lakes Region, USA: Constraints on the Source of Sulfur in a Paleoproterozoic...Sciences, Western Michigan University, 1903 W Michigan Ave Kalamazoo, MI 49008, USA; nicholas.m.moleski@wmich...sulfide (VMS) deposits. These deposits were formed by back-arc extensional volcanism during the accretion of...collected from eight VMS deposits in the PVB: Back Forty, Bend, Eisenbrey, Flambeau, Horseshoe, Lynne...Diablo Troilite (V-CDT). Average δ34 S values from Back Forty and Lynne deposits are slightly higher, at 2
 
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