Commodities
PrimaryCopper
Commodity typeM
Deposit
Model96: Native Cu
Deposit sizeU
Orebody formIRREGULAR
Geology
Host rockBasalt · Portage Lake Volcanics
StructureSyncline
Economic & production
Development statusPast Producer
First production1860
Identification
Deposit ID10310148
MRDS IDLW00148
Alternate namesNahass
RegionNA
Data scoreC
Coordinates46.67444, -89.30925
References
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, ONTONAGON COUNTY, P. 26-27, SITE ID # 660014, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.