Maine · Aroostook County
Prospect

Bald Mountain

Aroostook County, Maine, United States
CopperGoldSilverZincArsenic
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper, Gold, Silver, Zinc
SecondaryArsenic
Commodity typeM
Deposit
Deposit typeVolcanogenic Massive Sulfide
Model184: Massive sulfide, kuroko
Deposit sizeN
Materials
Ore mineralsChalcopyrite, Sphalerite, Pyrrhotite, Arsenopyrite, Galena
GangueQuartz, Magnetite, Hematite, Siderite
Geology
Host rockMetavolcanic Rock · Winterville Formation
Tectonic settingNorthern Volcanic Belt
AlterationPrehnite-Pumpellyite Metamorphism
Economic & production
Development statusProspect
Identification
Deposit ID10084601
MRDS IDW102003
Alternate namesBald Mt.
RegionNA
Data scoreB
Coordinates46.73457, -68.74477
References
Guild, P.W., 1981, Preliminary metallogenic map of North America: a numerical listing of deposits: U.S. Geological Survey Circular C-0858, 93 p.Slack, J.F, Foose, M.P., Flohr, M.J.K., Scully, M.V., and Belkin, H.E., 2004, Exhalative and subseafloor replacement processes in the formation of the Bald Mountain massive sulfide deposit, northern Maine: in Massive sulphide deposits of the Bathurst Mining Camp and northern Maine, Goodfellow, W.D., McCutcheon, S.R., and Peter, J.M. (eds.), Economic Geology Monograph 11.U.S. Geological Survey, 1999, The mineral industry of Maine, in Area reportsuDomestic: U.S. Geological Survey Minerals Yearbook 1997, v. II, 3 p.