Unnamed (near Hayes Glacier)

The Unnamed (near Hayes Glacier) is a gold, molybdenum, and lead 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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Site Name

Primary: Unnamed (near Hayes Glacier)

Commodity

Primary: Gold
Primary: Molybdenum
Primary: Lead
Secondary: Iron
Secondary: Arsenic

Location

State: Alaska
District: Yentna

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

Not available

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Silicification

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Arsenopyrite
Ore: Galena
Ore: Molybdenite
Ore: Pyrite
Gangue: Quartz

Comments

Comment (Workings): Workings / Exploration = Surface prospecting

Comment (Exploration): Status = Inactive

Comment (Reserve-Resource): Reserves = Small tonnage reported by Berg and Cobb (1967).

Comment (Reference): Primary Reference = Berg and Cobb, 1967

Comment (Geology): Geologic Description = A three to four mile long zone of molybdenite-bearing quartz lenses and stringers cutting Tertiary granite (Reed and Lanphere, 1972 and MacKevett and Holloway, 1977, p. 77). Galena, pyrite and arsenopyrite are reported by Berg and Cobb (1967, p. 36-37). Published descriptions of this locality are very similar to the Miss Molly prospect (ARDF TY013). It is possible that the location was inaccurately reported and this is actually the Miss Molly prospect.

Comment (Deposit): Model Name = Dilatant, structurally controlled quartz-molybdenite vein sets

Comment (Deposit): Other Comments = Published descriptions of this locality are very similar to the Miss Molly prospect (ARDF TY0013). It is possible that the location was inaccurately reported and this is actually the Miss Molly prospect.

Comment (Geology): Age = May be related to Tertiary (56-59 m.y.) intrusions nearby. (Reed and Lanphere, 1972)

References

Reference (Deposit): U.S. Bureau of Mines, 1998, Minerals Availability System/Minerals Industry Location System (MAS/MILS), Talkeetna quadrangle: Worldwide Web URL http://imcg.wr.usgs.gov/data.htm
URL: http://imcg.wr.usgs.gov/data.htm

Reference (Deposit): Reed, B.L., and Lanphere, M.A., 1972, Generalized geologic map of the Alaska-Aleutian range batholith showing potassium-argon ages of the plutonic rocks: U.S. Geological Survey Miscellaneous Field Studies Map MF-372, 2 sheets, scale 1:1,000,000.

Reference (Deposit): MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.

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): Cobb, E.H., 1979, Summary of references to mineral occurrences (other than minerals fuels and construction materials) in the Kenai and Tyonek Quadrangles, Alaska: U.S. Geological Survey Open-File Report 80-86, 36 p.

Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Tyonek quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-385, 1:250,000 scale.

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