The Eagle is a zinc, silver, gold, and copper mine located in Alaska.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation:
Commodity: Zinc, Silver, Gold, Copper
Lat, Long: 63.26611, -149.52389
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Eagle MRDS details
Site Name
Primary: Eagle
Secondary: Northern Light
Commodity
Primary: Zinc
Primary: Silver
Primary: Gold
Primary: Copper
Secondary: Antimony
Location
State: Alaska
District: Valdez Creek
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Polymetallic veins
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Stibnite
Ore: Sphalerite
Ore: Chalcopyrite
Ore: Arsenopyrite
Gangue: Quartz
Comments
Comment (Geology): Age = Probably Late Cretaceous or younger.
Comment (Exploration): Status = Active
Comment (Deposit): Model Name = Polymetallic vein (Cox and Singer, 1986; model 22c)
Comment (Deposit): Other Comments = Also see: Silver King (HE026), Liberty (HE028) and Lucrata (HE029).
Comment (Reference): Primary Reference = Ross, 1933
Comment (Reserve-Resource): Reserves = Estimated at 12,000 tons (Ross, 1933).
Comment (Geology): Geologic Description = Thick Quaternary glacial deposits and Upper Tertiary sedimentary strata cover most of the older bedrock in this area. Regionally, the main geologic feature is the northeast-trending Chulitna fault, which separates a sequence of Upper Jurassic to Upper Triassic(?) crystal tuff, argillite, chert, graywacke, and limestone on the north, from Upper Devonian to Lower Triassic volcanogenic and sedimentary rocks on the south. Faulting and shearing of the rocks has occurred, along with intrusions of Late Cretaceous dikes and stocks. The Eagle prospect is a 3-foot wide quartz vein that contains pods of arsenopyrite, chalcopyrite, sphalerite, and stibnite up to 1 foot wide. The vein is spatially associated with one or more dikes. The sulfide pods contain substantial Au and Ag values. Seven chip samples of the veins averaged 0.23 ounce of gold per ton and 4.55 ounces of silver per ton (Hawley and Clark, 1974; Ross, 1933; Bundtzen, 1983). The deposit is discontinuous, owing to post mineralization faulting and to pinch-and-swell structure of the vein. The Eagle vein is subparallel and about 400 feet east of the Lucrata segment of Upper Chulitna fault.
Comment (Workings): Workings / Exploration = Exploration includes a 62-foot tunnel and open cuts over a strike length of 300 to 800 feet.
References
Reference (Deposit): Capps, S.R., 1919, Mineral resources of the upper Chulitna region: U.S. Geological Survey Bulletin 692-D, p. 207-232.
Reference (Deposit): Ross, C.P., 1933, The Valdez Creek mining district, Alaska: U.S. Geological Survey Bulletin 849, p. 289-467.
Reference (Deposit): Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.
Reference (Deposit): Hawley, C.C., and Clark, A.L., 1973, Geology and mineral deposits of the upper Chulitna district, Alaska: U.S. Geological Survey Professional Paper 758-A, p. 1-10, 2 sheets, scale 1:250,000 and 1:500,000.
Reference (Deposit): Bundtzen, T.K., 1983, Mineral resource modeling, Kantishna and Dunkle mine study areas: Alaska Division of Geological "&" Geophysical Surveys Report of Investigations 83-12, 51 p.
Reference (Deposit): Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Healy quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-1062, 113 p.
Reference (Deposit): Hawley, C.C., and Clark, A.L., 1974, Geology and mineral deposits of the upper Chulitna district, Alaska: U.S. Geological Survey Professional Paper 758-B, p. 1-47, 2 sheets, scale 1:12,000 and 1:48,000.
Reference (Deposit): Hawley, C.C., and others, 1978, Mineral appraisal of lands adjacent to Mt. McKinley National Park, Alaska. Contract No. JO166107: U.S. Bureau of Mines Open-File Report 24-78, 274 p., 12 sheets.
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