Rock Creek Molybdenum

The Rock Creek Molybdenum 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: Rock Creek Molybdenum
Secondary: Rock Creek (Molybdenum)

Commodity

Primary: Molybdenum

Location

State: Alaska
District: Chistochina

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
Gangue: Biotite
Gangue: Feldspar
Gangue: Hornblende
Gangue: Quartz

Comments

Comment (Deposit): Model Name = Lode: pegmatite

Comment (Workings): Workings / Exploration = Explored by open cuts and tunnel. Assays 4.6% Mo, average assay about 3% Mo (USGS B 910, p. 105); No visible Mo in workings in 1985; Type of workings: surface and underground

Comment (Exploration): Status = Inactive

Comment (Reference): Primary Reference = Moffit, 1941, USGS B 917

Comment (Geology): Geologic Description = Books of molybdenite up to 1.5 in in diameter in alkali pegmatite dike; dike ranges from a few in to 2 ft in width and can be traced for 70 ft on surface; dike strikes N 20 W and dips 60 SW; pegmatite dike cuts gneissic rocks of a Jurassic-Triassic diorite complex.

Comment (Geology): Age = Triassic

Comment (Deposit): Other Comments = Minor Mo deposit; prospect inactive since late 1930's. See also: Rock Creek corundum prospect (NB010).

References

Reference (Deposit): Matson, N.A., and Richter, D.H., 1971, Geochemical data from the Nabesna C-5 quadrangle, Alaska: U.S. Geological Survey Open-File Report 71-0204, 10 p.

Reference (Deposit): Moffit, F.H., 1941, Geology of the upper Tetling River district, Alaska: U.S. Geological Survey Bulletin 917-B, p. 115-157.

Reference (Deposit): Richter, D.H., and Schmoll, 1973, Geologic Map of the Nabesna C-5 quadrangle, Alaska: U.S. Geological Survey Geologic Quadrangle Map GQ-1062, scale 1:63,360.

Reference (Deposit): Richter, D.H., Singer, D.A., and Cox, D.P., 1975, Mineral resources map of the Nabesna quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-655-K, scale 1:250,000.

Reference (Deposit): Moffit, F.H., 1954, Geology of the eastern part of the Alaska Range and adjacent area: U.S. Geological Survey Bulletin 989-D, p. 63-218.

Reference (Deposit): Nelson, A.E., and others, 1952, Reconnaissance for radioactive deposits in eastern Alaska: U.S. Geological Survey Circular 348, p. 3.

Reference (Deposit): Richter, D.H., 1970, A corundum occurrence in the eastern Alaska Range, Alaska: U.S. Geological Survey Professional Paper 700-C, p. C98-C102.

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