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Ptarmigan Creek (tributary of Chatanika River)

Prospect in Alaska, United States with commodities Gold, Silver
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Geologic information

Identification information

Deposit ID 10001496
MRDS ID A012243
Record type Site
Current site name Ptarmigan Creek (tributary of Chatanika River)

Geographic coordinates

Geographic coordinates: -146.82907, 65.24775 (WGS84)
Relative position The location is the approximate position of claims on Ptarmigan Creek. Ptarmigan Creek is a tributary of the Chatanika River and is accessible where the creek crosses the Steese Highway. (This should not be confused with the other Ptarmigan Creek that is a tributary of Birch Creek, Circle quadrangle B-4).
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary
Silver Secondary

Materials information

Materials Type of material
Gold Ore
Silver Ore

Mineral occurrence model information

Model code 119
USGS model code 39a
BC deposit profile C01. C02
Deposit model name Placer Au-PGE
Mark3 model number 54

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -146.82907, 65.24775
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Comments on the geologic information

  • Geologic Description = There is little gravel, but good colors can be panned from the lower part of the creek (Menzie and others, 1983, p. 51). A trace-element study showed 28 percent Ag in a sample of placer gold from Ptarmigan Creek (Yeend, 1985, p. 6).

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Fairbanks

Comments on the workings information

  • Workings / Exploration = Known surface activity in 1981(Menzie and others, 1983, p. 51).

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012243
USGS Alaska Resource Data File ARDF CI049

Bibliographic references

  • Deposit

    Menzie, W.D., Foster, H.L., Tripp, R.B., and Yeend, W.E., 1983, Mineral resource assessment of the Circle quadrangle, Alaska: U.S. Geological Survey Open-File Report 83-170-B, 61 p., 1 sheet, 1:250,000.

  • Deposit

    Yeend, W.E., 1985, Trace elements of placer gold: U.S. Geological Survey Circular 945, p. 4-7.

Comments on the references

  • Primary Reference = Menzie and others, 1983; Yeend, 1985.

General comments

Subject category Comment text
Deposit Model Name = Placer gold deposit (Cox and Singer, 1986; model 39a)
Deposit Other Comments = the Ptarmigan Creek discussed for this record is a tributary of the Chatanika River. Another Ptarmigan Creek is located further up the Steese Highway and is a tributary of Birch Creek (see Ptarmigan Creek, tributary of Birch Creek, ARDF no. CI048).

Reporter information

Type Date Name Affiliation Comment
Reporter 25-JUN-98 C.J. Freeman Avalon Development Corporation
Reporter 25-JUN-98 J.R. Guidetti Schaefer Avalon Development Corporation
Reporter 25-JUN-98 Clements, A.S. Avalon Development Corporation