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 production1846
Last production1854
Identification
Deposit ID10310095
MRDS IDLW00095
RegionNA
Data scoreB
Coordinates47.44139, -88.04364
References
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 4-5, SITE ID # 420002, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.