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 production1867
Identification
Deposit ID10310108
MRDS IDLW00108
RegionNA
Data scoreB
Coordinates47.39611, -88.26365
References
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 119-121, SITE ID # 420030, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.UNDERGROUND MINE INVENTORY