Commodities
PrimaryCopper
Commodity typeM
Deposit
Model96: Native Cu
Deposit sizeS
Orebody formFISSURE
Geology
Host rockBasalt · Portage Lake Volcanics
StructureFissure at base of Greenstone flow
Economic & production
Development statusPast Producer
First production1865
Last production1885
Identification
Deposit ID10082619
MRDS IDW060056
RegionNA
Data scoreC
Coordinates47.38472, -88.26671
References
BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF. PAPER NO. 144, 238 PP.CORNWALL, H.R., 1954, BEDROCK GEOLOGY OF THE PHOENIX QUADRANGLE, MICHIGAN: USGS MAP GQ-34, SCALE 1:24000BUTLER AND BURBANK, 1929