Alaska
Past Producer

Le Roy

Alaska, United States
GoldLeadZincCadmiumCopperSilverArsenic
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
SecondaryLead, Zinc, Cadmium, Copper, Silver, Arsenic
Commodity typeM
Deposit
Model273: Low-sulfide Au-quartz vein
Materials
Ore mineralsArsenopyrite, Chalcopyrite, Galena, Pyrite, Sphalerite, Gold, Silver
GangueAnkerite, Quartz
Geology
AlterationRossman (1959, B 1058-B. p. 43) notes intense alteration that locally extends to 10 or 15 feet on each side of the vein, and is marked on the surface by rust-red staining. Alteration products almost certainly include ankerite and chlorite.
Economic & production
Development statusPast Producer
Identification
Deposit ID10002248
MRDS IDA013150
Alternate namesA. L. Parker, Pet (after about 1975)
RegionNA
Data scoreB
Coordinates58.87639, -136.88101
References
Smith, P.S., 1942, Mineral Industry of Alaska in 1940: U. S. Geological Survey Bulletin 933-A, p. 1-102.Roehm, J.C., 1942, LeRoy Mining Company gold lode: Alaska Territorial Department of Mines Examination Report 111-2A, 7 p.Twenhofel, W.S., Reed, J. C., and Gates, G.O., 1949, Some mineral investigations in southeastern Alaska: U.S. Geological Survey Bulletin 963-A, p. 1-45.Rossman, Darwin, 1959, Geology and ore deposits in the Reid Inlet area, Glacier Bay, Alaska: U.S. Geological Survey Bulletin 1058-B, p. 33-58.MacKevett, E.M., Jr., Brew, D.A., Hawley, C.C., Huff, L.C., and Smith, J.G., 1971, Mineral resources of Glacier Bay National Monument, Alaska: U.S. Geological Survey Professional Paper 632, 90 p., 12 plates, scale 1:250,000.Kimball, A.L., Still, J.C., and Rataj, J.L., 1978, Mineral resources, in Brew, D. A., and others, Mineral resources of the Glacier Bay National Monument wilderness study area, Alaska: U.S. Geological Survey Open-File Report 78-494, p. C1-C375.Brew, D.A., Johnson, B.R., Grybeck, D., Griscom, A., Barnes, D.F., Kimball, A.L., Still, J.C., and Rataj, J.L., 1978, Mineral resources of the Glacier Bay National Monument Wilderness Study Area, Alaska: U.S. Geological Survey Open-File Report 78-494, 670 p.Cobb, E.H., 1972, Metallic mineral resources map of the Mount Fairweather quadrangle, AK: U.S. Geological Survey Miscellaneous Field Study Map MF-436, 1 sheet, scale 1:250,000.Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Mt. Fairweather and Skagway quadrangles, Alaska: U.S. Geological Survey Open-File Report 78-316, 123 p.Smith, P.S., 1942, Mineral industry of Alaska in 1940: U.S. Geological Survey Bulletin 933-A, p. 1-102.Holdsworth, P.R., 1955, Mt. Parker area, Mt. Fairweather quadrangle: Alaska Territorial Department of Mines Preliminary Examination Report 111-5, 3 p.Fowler, H.M., 1950, Memorandum report on the Leroy Mine, Glacier Bay: Alaska Territorial Department of Mines, Prospect Evaluation 111-4, 2 p., 1 sheet, scale 1 inch = 20 feet.