Commodities
PrimaryCopper
Commodity typeM
Deposit
Deposit typeLode
Model96: Native Cu
Deposit sizeM
Orebody formTABULAR
Ore controlLode; amygdaloidal flow top
Materials
Ore mineralsCopper
GangueFeldspar, Epidote, Quartz, Calcite, Pumpellyite-(Mg), Datolite
Geology
Host rockAndesite · "Atlantic (Ashbed) Amygdaloid", "Portage Lake Volcanics"
Economic & production
Development statusPast Producer
Production years1866-1870, 1873-1906, 1908-1910
First production1866
Last production1910
Identification
Deposit ID10082862
MRDS IDW062224
Alternate namesSouth Pewabic
RegionNA
Data scoreB
Coordinates47.09972, -88.62755
References
BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF PAPER NO. 144, 238 PP.WHITE, W.S., 1956, GEOLOGIC MAP OF THE CHASSELL QUADRANGLE, MICHIGAN: USGS MAP MF-43, SCALE 1:24000WHITE, W.S., AND WRIGHT, J.C., 1956, GEOLOGIC MAP OF THE SOUTH RANGE QUADRANGLE, MICHIGAN: USGS MAP MF-48, SCALE 1:24000BUTLER AND BURBANK, 1929, P.78.