Stebbins

The Stebbins is a iron 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: Stebbins
Secondary: Unnamed (on Percy and Cow Islands)

Commodity

Primary: Iron

Location

State: Alaska
District: Ketchikan

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: Alaskan Cr-Pt (PGE)

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Titaniferous Magnetitite

Comments

Comment (Deposit): Model Name = Alaska PGE (Cox and Singer, 1986; model 9)

Comment (Geology): Geologic Description = The Percy Islands, Cow Island, and adjacent islands (Taylor and Noble, 1960, p. 181; Berg and others, 1988) are underlain by metamorphosed undivided Silurian or Ordovician intermediate and mafic intrusive rocks, and by a Cretaceous ultramafic complex, which intrudes the metamorphic rocks. The ultramafic complex consists of olivine pyroxenite with a border zone of hornblende pyroxenite, which in turn is surrounded by gabbro. The hornblende pyroxenite contains titaniferous magnetite, whose abundance and distribution probably is similar to that on Duke Island (ARDF PR001). A prospect on the Percy Islands has been drilled by private interests, but no data on potential iron resources have been made public.

Comment (Reference): Primary Reference = U. S. Bureau of Mines, 1974; Cobb and Elliott, 1980

Comment (Exploration): Status = Inactive

Comment (Geology): Age = Cretaceous

Comment (Workings): Workings / Exploration = A prospect on the Percy Islands has been drilled by private interests, but no data on potential iron resources have been made public.

References

Reference (Deposit): Taylor, H.P,. and Noble, J.A., 1960, Origin of the ultramafic complexes in southeastern Alaska: International Geological Congress, 21st, Copenhagen, Report, p. 175-187.

Reference (Deposit): U.S. Bureau of Mines, 1974, Claim map, Prince Rupert quadrangle: U.S. Bureau of Mines Map 122, scale 1:250,000.

Reference (Deposit): Elliott, R.L., Berg, H.C., and Karl, Susan, 1978, map and table describing metalliferous and selected nonmetalliferous mineral deposits, Ketchikan and Prince Rupert quadrangles, Alaska: U.S. Geological Survey Open-file Report, 78-73-B,17 p., scale 1:250,000.

Reference (Deposit): Cobb, E.H., and Elliott, R.L., 1980, Summaries of data on and lists of references to metallic and selected nonmetallic mineral deposits in the Ketchikan and Prince Rupert quadrangles, Alaska: U.S. Geological Survey Open-File Report 80-1053, 154 p.

Reference (Deposit): Berg, H.C., Elliott, R.L., and Koch, R.D., 1988, Geologic map of the Ketchikan and Prince Rupert quadrangles, southeastern Alaska: U.S. Geological Survey Mineral Investigations Series Map MF-1807,27 p., scale 1:250,000.

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