Unnamed (Dick Creek drainage)

The Unnamed (Dick Creek drainage) is a zinc 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 (Dick Creek drainage)

Commodity

Primary: Zinc
Secondary: Barium-Barite
Secondary: Copper
Secondary: Silver
Secondary: Lead
Secondary: Molybdenum
Secondary: Iron

Location

State: Alaska
District: Copper River

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: Sedimentary exhalative Zn-Pb

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Sphalerite
Ore: Pyrite
Ore: Barite

Comments

Comment (Geology): Geologic Description = These occurrences consist of anomalous metal values in stream sediment from concretionary sandstone of the Tertiary Tokun Formation (Winkler and Plafker, 1991). Stream sediment concentrate samples contain >2% Zn (Goldfarb and others, 1992).

Comment (Reference): Primary Reference = Goldfarb and others, 1992

Comment (Geology): Age = Tertiary, based on probable source of samples.

Comment (Deposit): Other Comments = This and other geologically similar areas in the Cordova quadrangle warrant further investigation (Nelson and others, 1994). Chugach Alaska Corporation, Anchorage, Alaska has control of these lands.

Comment (Workings): Workings / Exploration = None. Investigations of similar geochemical anomalies to the south on Kayak Island (Pickthorn and others,1985) failed to find any outcrops containing mineral deposits (Goldfarb and others, 1992). Stream sediment concentrate samples contain >2% Zn (Goldfarb and others, 1992).

Comment (Exploration): Status = Inactive

Comment (Deposit): Model Name = Possibly sedimentary-exhalative Pb-Zn (Cox and Singer, 1986; model 31a)

References

Reference (Deposit): Winkler, G.R., and Plafker, George, (1991) 1993, Geologic map of the Cordova and Middleton Island quadrangles, southern Alaska: U.S. Geological Survey Miscellaneous Investigations Series Map I-1984, 1 sheet, scale 1:250,000.

Reference (Deposit): Nelson, S.W., Miller, M.L., Goldfarb, R.J., Snee, L.W., Sherman, G.E., Roe, C.H., and Balen, M.D., 1994, Mineral resource assessment of the Chugach National Forest Special Study area in northern Prince William Sound, Alaska: U.S. Geological Survey Open-File Report 94-272, 18 p.

Reference (Deposit): Goldfarb, R.J., Case, J.E., Plafker, George, and Winkler, G.R., 1992, Maps showing areas of potential for mineral resources in the Cordova and Middleton Island 1 degree x 3 degree quadrangles, southern Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-2190, scale 1:250,000.

Reference (Deposit): Pickthorn, W.J., Goldfarb, R.J., O'Leary, R.M., Sutley, S.J., and Weaver, S.C., 1985, Kayak Island-Analysis of a geochemical anomaly, in Bartsch-Winkler, Susan, and Reed, K.M., eds., The U.S. Geological Survey in Alaska-Accomplishments during 1983: U.S. Geological Survey Circular 945, p. 82-83.

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