Commodities
PrimaryCopper
Commodity typeM
Deposit
Deposit typeLode
Model96: Native Cu
Deposit sizeU
Orebody formTABULAR
Ore controlOphitic flow top
Materials
Ore mineralsCopper
GangueFeldspar, Epidote, Quartz, Calcite
Geology
Host rockBasalt · Portage Lake Volcanics
Economic & production
Development statusPast Producer
Identification
Deposit ID10106401
MRDS IDW062234
RegionNA
Data scoreC
Coordinates47.21861, -88.46199
References
BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF PAPER NO. 144, 238 PP.CORNWALL, H.R., AND WRIGHT, J.C., 1956, GEOLOGIC MAP OF THE LAURIUM QUADRANGLE, MICHIGAN: USGS MAP MF-47, SCALE 1:24000