Kusturin and Johnson

The Kusturin and Johnson is a gold 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: Kusturin and Johnson

Commodity

Primary: Gold

Location

State: Alaska
District: Homer

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: Low-sulfide Au-quartz vein

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: None reported.

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Pyrite
Ore: Gold
Ore: Chalcopyrite
Gangue: Quartz

Comments

Comment (Reserve-Resource): Reserves = None reported.

Comment (Reference): Primary Reference = Martin and others, 1915

Comment (Geology): Age = Cretaceous or younger; the veins cut Cretaceous graywacke.

Comment (Production): Production Notes = No production is known.

Comment (Geology): Geologic Description = Three, quartz-pyrite veins intrude Cretacous Valdez Group graywacke and slate (MacKevett and Holloway, 1977). The veins are 2 to 6 feet thick. Martin and others (1915) visited one of the veins that strikes N27E and dips 40W. It was 71 inches thick and contained pyrite, chalcopyrite, and graphite. No assay results are reported.

Comment (Deposit): Other Comments = This prospect is within Kenai Fjords National Park; the area is closed to mineral entry.

Comment (Deposit): Model Name = Low-sulfide, Au-quartz vein (Cox and Singer, 1986; model 36a)

Comment (Workings): Workings / Exploration = Some minor stripping was reported by Martin and others (1915).

Comment (Exploration): Status = Inactive

References

Reference (Deposit): Martin G.C., Johnson, B.L., and Grant, U.S., 1915, Geology and mineral resources of Kenai Peninsula, Alaska: U.S. Geological Survey Bulletin 587, 243 p.

Reference (Deposit): Grant, U.S., and Higgins, D.F., Jr., 1910, Preliminary report on the mineral resources of the southern part of Kenai Peninsula: U.S. Geological Survey Bulletin 442-D, p. 166-178.

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 Seldovia quadrangle, Alaska: U.S. Geological Survey Open-file Report 80-87, 47 p.

Reference (Deposit): Cobb, E.H., 1972, Metallic minerals resources map of the Seldovia quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-397, 1 sheet, scale 1:250,000.

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