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 production1854
Last production1882
Identification
Deposit ID10310114
MRDS IDLW00114
RegionNA
Data scoreC
Coordinates47.43111, -88.19365
References
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 78-82, SITE ID # 420069, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.