Commodities
PrimarySilver
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeU
Orebody formIRREGULAR
Geology
Host rockBasalt · Portage Lake Volcanics
StructureSyncline
Economic & production
Development statusPast Producer
First production1874
Last production1875
Identification
Deposit ID10310151
MRDS IDLW00151
RegionNA
Data scoreC
Coordinates46.78944, -89.57231
References
JOHNSON, A.M. AND GROTH, E.H., 1998, INVENTORY OF UNDERGROUND MINES, ONTONAGON COUNTY, P. 49-50, SITE ID # 660021, MICHIGAN DEPARTMENT OF NATURAL RESOURCES.