Commodities
PrimaryCopper
Commodity typeM
Deposit
Model96: Native Cu
Deposit sizeS
Geology
Host rockBasalt · Portage Lake Volcanics
StructureVeins mined on both sides of the Greenstone flow
Economic & production
Development statusPast Producer
First production1872
Last production1879
Identification
Deposit ID10082629
MRDS IDW060067
RegionNA
Data scoreC
Coordinates47.46111, -87.86253
References
BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF. PAPER 144, 238 PP.CORNWALL, H.R., 1955, BEDROCK GEOLOGY OF THE FORT WILKINS QUADRANGLE, MICHIGAN: USGS MAP GQ-74, SCALE 1:24000BULTER AND BURBANK, 1929