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
Identification
Deposit ID10310097
MRDS IDLW00097
RegionNA
Data scoreB
Coordinates47.435, -87.91697
References
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, KEWEENAW COUNTY, P. 33-34, SITE ID # 420013 MICHIGAN DEPARTMENT OF NATURAL RESOURCES.