Commodities
PrimaryCopper
Commodity typeM
Deposit
Deposit typeFissure Copper Veins
Model96: Native Cu
Deposit sizeU
Geology
Host rockBasalt · Portage Lake Volcanics
StructureSyncline
Economic & production
Development statusProspect
First production1864
Last production1865
Identification
Deposit ID10310110
MRDS IDLW00110
RegionNA
Data scoreC
Coordinates47.42944, -87.84586
References
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P.129, SITE ID # 420034, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.