Unnamed (near Igloo Creek)

The Unnamed (near Igloo Creek) is a tin 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

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Unnamed (near Igloo Creek)

Commodity

Primary: Tin

Location

State: Alaska
District: Port Clarence

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: Sn skarn

Orebody

Not available

Structure

Not available

Alterations

Alteration Type: L
Alteration Text: Calc-silicate minerals replacing metacarbonate rocks

Rocks

Not available

Analytical Data

Not available

Materials

Not available

Comments

Comment (Reference): Primary Reference = Sainsbury, 1972

Comment (Geology): Age = May be Late Cretaceous, the age of other tin-bearing mineralized systems of western Seward Peninsula.

Comment (Geology): Geologic Description = Sainsbury (1972) notes the occurrence of tactite rubble and outcrop on this ridge. The mapped bedrock assemblage in this area is chlorite-epidote-amphibole schist with some intercalated metacarbonate rocks and local metamorphosed mafic intrusive bodies (Sainsbury, 1972). Partial results of a spectrographic analysis reported by Sainsbury (1972, p. 3) indicate that tactite here can contain greater than 1,000 ppm tin, 1,000 ppm beryllium, and greater than 1,000 ppm bismuth. No other data are available.

Comment (Deposit): Other Comments = A 1982 reconnaissance traverse on this ridge did not relocate this occurrence (Hudson, 1983).

Comment (Deposit): Model Name = Tin-bearing skarn (Cox and Singer, 1986; model 14b)

Comment (Workings): Workings / Exploration = No prospecting activities are known to have taken place at this location.

Comment (Exploration): Status = Inactive

References

Reference (Deposit): Hudson, T.L., 1983, Interim report on the 1982 Seward Peninsula reconnaissance project, Regional Geology: Anchorage, Alaska, Anaconda Minerals Company internal report (Report held by Cook Inlet Region, Inc., Anchorage, Alaska).

Reference (Deposit): Cobb, E.H., 1975, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Teller quadrangle, Alaska: U.S. Geological Survey Open-File Report 75-587, 130 p.

Reference (Deposit): Sainsbury, C.L., 1972, Geologic map of the Teller quadrangle, Seward Peninsula, Alaska: U.S. Geological Survey Map I-685, 4 p., 1 sheet, scale 1:250,000.

Reference (Deposit): Cobb, E.H., and Sainsbury, C.L., 1972, Metallic mineral resource map of the Teller quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-426, 1 sheet, scale 1:250,000.

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