Alaska
Prospect

South Hill (near Potato Mountain)

Alaska, United States
Tin
⌖ Show on mapUSGS source ↗
Commodities
PrimaryTin
Deposit
Model47: Sn veins49: Sn greisen
Materials
Ore mineralsCassiterite
GangueArsenopyrite, Clay, Pyrite, Quartz, Tourmaline
Geology
AlterationTourmaline +/- pyrite and arsenopyrite replacement of layering in the hornfels is common. Hydrothermal clay alteration is superimposed on mineralized and altered rocks throughout the system, even to depths of 1353 feet in diamond-drill hole PMD-1B.
Economic & production
Development statusProspect
Identification
Deposit ID10308397
RegionNA
Data scoreB
Coordinates65.65026, -167.55643
References
Steidtmann, Edward, and Cathcart, S. H., 1922, Geology of the York tin deposits, Alaska: U.S. Geological Survey Bulletin 733, 130 p.Mulligan, J.J., 1965, Tin-lode investigations. Potato Mountain area, Seward Peninsula, Alaska: U.S. Bureau of Mines Report of Investigations 6587, 85 p.Cobb, E.H., and Sainsbury, C.L., 1972, Metallic mineral resource map of the Teller quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-426, 1 sheet, scale 1:250,000.McDermott, M.M., 1982, Gravity profiles of Black Mountain and Potato Mountain, Seward Peninsula: Anchorage, Alaska, Anaconda Minerals Company internal report (Report held by Cook Inlet Region, Inc., Anchorage, Alaska).Hudson, T.L., and Arth, J. G., 1983, Tin-granites of Seward Peninsula, Alaska: Geological Society of America Bulletin, v. 94, p. 768-790.Meyers, W.C., 1990, Report on 1990 exploration activities at the Potato Mountain tin prospect, Teller AMS sheet, Seward Peninsula, Alaska: Anchorage, Alaska, Kennecott Exploration Inc. internal report.Hudson, T.L., and Reed, B.L., 1997, Tin deposits of Alaska, in Goldfarb, R.J., and Miller, L.D., eds., Mineral Deposits of Alaska: Economic Geology Monograph 9, p. 450-465.Cobb, E.H., 1975, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Teller quadrangle, Alaska: U.S. Geological Survey Open-File Report 75-587, 130 p.Hudson, T.L., 1983, Interim report on the Potato Mountain tin system: Anchorage, Alaska, Anaconda Minerals Company internal report (Report held by Cook Inlet Region, Inc., Anchorage, Alaska).McDermott, M.M., 1983, Investigation of the magnetic contact aureoles of the Khotol and Black Mountain granites, Alaska: Anchorage, Alaska, Anaconda Minerals Company internal report (Report held by Cook Inlet Region, Inc., Anchorage, Alaska).