Unnamed (Adams Inlet)

The Unnamed (Adams Inlet) is a molybdenum 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 (Adams Inlet)

Commodity

Primary: Molybdenum

Location

State: Alaska
District: Juneau

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

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Molybdenite

Comments

Comment (Workings): Workings / Exploration = Ten claims reported in 1912 (Kimball and others, 1978, p. C351); there are no obvious workings.

Comment (Deposit): Model Name = Tactite or skarn molybdenum occurrence.

Comment (Deposit): Other Comments = the site is in Glacier Bay National Park and Preserve.

Comment (Geology): Geologic Description = Granite of Cretaceous age forms a batholithic mass that crops out on Point George and extends northerly to the Klotz Hills. Another granitic intrusion, about 1 mile across, occurs on the north side of Adams Inlet 1 mile east of the granite exposed on Point George. The two granitic intrusives are separated by volcanic and sedimentary rocks of Devonian and Silurian age (Brew and others, 1978, pl. 1A).? Buddington and Chapin (1929, p.330) reported molybdenite as coatings on fracture surfaces in metamorphic rocks, mainly hornfels and tactite, on the north side of Adams Inlet. The molybdenite occurrence is inferred to be in the belt of sedimentary and volcanic rocks that separates the major granitic intrusion exposed on Point George from the smaller mass exposed in Adams Inlet about two miles east of Point George.

Comment (Reference): Primary Reference = Buddington and Chapin, 1929

Comment (Exploration): Status = Inactive

Comment (Geology): Age = Cretaceous or younger.

References

Reference (Deposit): Cobb, E.H., 1972, Metallic mineral resources map of the Mount Fairweather quadrangle, AK: U.S. Geological Survey Miscellaneous Field Study Map MF-436, 1 sheet, scale 1:250,000.

Reference (Deposit): Smith, P.S., 1942, Occurrences of molybdenum in Alaska: U.S. Geological Survey Bulletin 926-C, p. 161-210.

Reference (Deposit): Kimball, A.L., Still, J.C., and Rataj, J.L., 1978, Mineral resources, in Brew, D. A., and others, Mineral resources of the Glacier Bay National Monument wilderness study area, Alaska: U.S. Geological Survey Open-File Report 78-494, p. C1-C375.

Reference (Deposit): Buddington, A.F., and Chapin, Theodore, 1929, Geology and mineral deposits of southeastern Alaska: U.S. Geological Survey Bulletin 800, 398 p.

Reference (Deposit): Brew, D.A., Johnson, B.R., Grybeck, D., Griscom, A., Barnes, D.F., Kimball, A.L., Still, J.C., and Rataj, J.L., 1978, Mineral resources of the Glacier Bay National Monument Wilderness Study Area, Alaska: U.S. Geological Survey Open-File Report 78-494, 670 p.

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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