Commodities
PrimaryCopper
Commodity typeM
Deposit
Deposit typeFissure Copper Veins
Model96: Native Cu
Deposit sizeU
Orebody formIRREGULAR
Geology
Host rockBasalt · Portage Lake Volcanics
StructureSyncline
Economic & production
Development statusPast Producer
First production1863
Last production1865
Identification
Deposit ID10310098
MRDS IDLW00098
RegionNA
Data scoreB
Coordinates47.4075, -88.20643
References
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 256-257, SITE ID # 420091, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.