The Hayes is a iron 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
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Hayes MRDS details
Site Name
Primary: Hayes
Commodity
Primary: Iron
Primary: Copper
Location
State: Alaska
District: Juneau (Skagway subdistrict)
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant:
Physiography
Not available
Mineral Deposit Model
Model Name: Skarn Cu
Model Name: Skarn Fe
Orebody
Not available
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Limestone partly altered to skarn (Herbert and Race, 1965).
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Chalcopyrite
Ore: Hematite
Ore: Magnetite
Comments
Comment (Reference): Primary Reference = Herbert and Race, 1965
Comment (Workings): Workings / Exploration = Very little information is available.
Comment (Deposit): Model Name = Skarn; disseminated, contact metasomatic (Cox and Singer, 1986; model 18d or 18b).
Comment (Geology): Age = The age is not well established but the deposit is probably Cretaceous based on the age of nearby intrusive rocks (Gilbert , 1988).
Comment (Exploration): Status = Probably inactive
Comment (Geology): Geologic Description = The following description is summarized from Herbert and Race, 1965. Rocks in the area are metasediments, including marble and gneiss, that strike northwesterly; there is also some east-west faulting. The prospect is located on a steep cliff at the head of a talus slope that contains float of magnetite in marble and chalcopyrite with hematite in an impure schistose marble that has been partially altered to skarn. The deposit is considered to be low-grade mineralization in metamorphic rocks close to an east-west fault. Only stream sediment sample values are reported. Copper values in the vicinity of the prospect do not exceed 90 ppm copper, but 3 samples to the south varied between 120 and 130 ppm copper. The age of the mineralization is not well established, but is probably Cretaceous based on the age of the nearby intrusive rocks (Gilbert , 1988).
References
Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Skagway quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-424, 1 sheet, scale 1:250,000.
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): Herbert, C.F., and Race, W.H., 1965, Geochemical investigations of selected areas in southeastern Alaska, 1964 and 1965: Alaska Division of Mines and Minerals Geochemical Report 6, 75 p., 4 sheets, scale 1:63,360.
Reference (Deposit): Herbert, C.F., and Race, W.H., 1964, Geochemical investigations of selected areas in southeastern Alaska, 1964: Alaska Division of Mines and Minerals Geochemical Report 1, 75 p.
Reference (Deposit): Brew, D.A., and Ford, A.B., 1985, Preliminary reconnaissance geologic map of the Juneau, Taku River, Atlin, and part of the Skagway 1:250,000 quadrangles, southeastern Alaska: U.S. Geological Survey Open-File Report 85-395, 23 p., 2 sheets, scale 1:250,000.
Reference (Deposit): Gilbert, W.G., 1988, Preliminary geology and geochemistry of the north Chilkat Range: Alaska Division of Geological and Geophysical Surveys Report of Investigations 88-8, 2 sheets, scale 1:36,200.
Reference (Deposit): 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.
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