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 production1851
Last production1857
Identification
Deposit ID10310112
MRDS IDLW00112
RegionNA
Data scoreC
Coordinates47.40861, -88.18282
References
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 90-91, SITE ID # 420025, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.