Commodities
PrimaryCopper
SecondarySilver
Commodity typeM
Deposit
Deposit typeLode
Model96: Native Cu
Deposit sizeU
Orebody formTABULAR
Ore controlAmygdaloidal basalt flow top
Materials
Ore mineralsCopper
GangueFeldspar, Epidote, Quartz, Calcite
Geology
Host rockBasalt · "Kearsarge Amygdaloid", "Portage Lake Volcanics"
Economic & production
Development statusPast Producer
Identification
Deposit ID10082871
MRDS IDW062235
Alternate namesMayflower, Old Colony
RegionNA
Data scoreB
Coordinates47.25667, -88.39477
References
BUTLER, B.S., AND BURBANK, W.S., 1929, THE COPPER DEPOSITS OF MICHIGAN: USGS PROF PAPER NO. 144, 238 PP.WHITE, W.S., CORNWALL, H.R., AND SWANSON, R.W., 1953, BEDROCK GEOLOGY OF THE AHMEEK QUADRANGLE; USGS MAP GQ-27, SCALE 1:24000