Mine detail: Le Roy

Previously called 'Pet (after about 1975)A. L. Parker'

<< Back to the map

Location

Lat / long: 58.87639, -136.88101

Resource(M)

Primary: Gold
Ore: Arsenopyrite, Chalcopyrite, Galena, Pyrite, Sphalerite, Gold, Silver
Gangue: Ankerite, Quartz

Production

Operation type: Unknown
Development status: Past Producer

Geology

Alteration processes:Rossman (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.

References

MRDSA013150
DEP10002248
Reference{Deposit:: Smith, P.S., 1942, Mineral Industry of Alaska in 1940: U. S. Geological Survey Bulletin 933-A, p. 1-102.}{Deposit:: Roehm, J.C., 1942, LeRoy Mining Company gold lode: Alaska Territorial Department of Mines Examination Report 111-2A, 7 p.}{Deposit:: 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.}{Deposit:: 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.}{Deposit:: 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.}{Deposit:: Cobb, E.H., 1972, Metallic mineral resources of the Mount Fairweather quadrangle, AK: U.S. Geological Survey Miscellaneous Field Study Map MF-436, 1 sheet, scale 1:250,000.}{Deposit:: 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.}{Deposit:: 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.}
ReporterC.C. Hawley