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 production1853
Last production1900
Identification
Deposit ID10310105
MRDS IDLW00105
RegionNA
Data scoreB
Coordinates47.4125, -88.26143
References
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 173-175, SITE ID # 420054, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.