Commodities
PrimaryCopper
Commodity typeM
Deposit
Model96: Native Cu
Deposit sizeS
Orebody formFISSURE
Ore controlFissure
Geology
Host rockBasalt · Portage Lake Volcanics
StructureFissure cutting the Greenstone flow, mining activity on south side of flow
Economic & production
Development statusPast Producer
Production years1845-1870; 1872-1887
First production1845
Last production1887
Identification
Deposit ID10082615
MRDS IDW060052
RegionNA
Data scoreB
Coordinates47.37389, -88.31421
References
BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS MAP GQ-34, SCALE 1:24000DAVIDSON, E.S., ESPENSHADE, G.H., WHITE, W.S., AND WRIGHT, J.C., 1955, BEDROCK GEOLOGY OF THE MOHAWK QUADRANGLE, MICHIGAN: USGS MAP GQ-54, SCALE 1:24000BUTLER AND BURBANK (1929)