Commodities
PrimaryNickel, Copper
SecondaryPalladium, Platinum
Commodity typeM
Deposit
Model9: Duluth Cu-Ni-PGE
Deposit sizeN
Orebody formDISSEMINATED
Ore controlFaults And Folds Were Responsible For Localizing Sulfide Mineralization As Well As For Providing Conduits For Later Syn- To Post-Magmatic Hydrothermal Fluids.
Materials
Ore mineralsBornite, Chalcopyrite, Cubanite, Pentlandite, Pyrrhotite
Geology
Host rockTroctolite · Partridge River Intrusion
Associated rockArgillite · Virginia Formation
StructureSeveral Ne-Trending Normal Faults Parallel The Midcontinent Rift System Near The Margin. These Faults Formed During The Opening Of The Rift And Controlled Emplacement Of The Troctolitic And Late Intrusions.
Economic & production
Development statusProspect
Identification
Deposit ID10048478
MRDS IDMP00065
Alternate namesWyman Creek
RegionNA
Data scoreB
Coordinates47.5525, -92.1074
References
MORTON AND HAUCK, 1987MORTON, PENELOPE, AND HAUCK, S.A., 1987, PGE, AU AND AG CONTENTS OF CU-NI SULFIDES FOUND AT THE BASE OF THE DULUTH COMPLEX, NORTHEASTERN MINNESOTA: NATURAL RESOURCES RESEARCH INSTITUTE TECHNICAL REPORT NRRI/GMIN-TR-87-04, 81 P