Unnamed (east-southeast of hill 6575)

Prospect in Alaska, United States with commodity Copper

Geologic information

Identification information

Deposit ID 10001423
MRDS ID A012168
Record type Site
Current site name Unnamed (east-southeast of hill 6575)
Alternate or previous names Unnamed

Geographic coordinates

Geographic coordinates: -148.53384, 62.53265 (WGS84)
Relative position SE 1/4 of SE 1/4 of Talkeetna Mountains C-4 quadrangle; about 4 mi (6.4 km) SW of head of Tsisi Creek; location accurate to within 1/4 mi (400 m) (Csejtey and Miller, 1978, loc. 52).
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrrhotite Ore

Mineral occurrence model information

Model code 8
USGS model code 5
Deposit model name Mafic Cu-Ni association
Model code 13
USGS model code 7a
Deposit model name Synorogenic-synvolcanic Ni-Cu
Mark3 model number 19

Nearby scientific data

(1) -148.53384, 62.53265

Comments on the geologic information

  • Geologic Description = Minor sulfides in veinlets or as disseminations in metagabbro of Paleozoic age.

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Yentna

Comments on the workings information

  • Workings / Exploration = Nearby, quartz float on meta-volcaniclastic rocks had chalcopyrite and 3 ppm Ag (Anderson, 1969).

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012168
USGS Alaska Resource Data File ARDF TK057

Bibliographic references

  • Deposit

    Rose, A.W., 1967, Geology of an area on the upper Talkeetna River, Talkeetna Mountains quadrangle, Alaska: Alaska Division of Mines and Minerals Geologic Report 32, 7 p., 1 plate, 1:63,360.

  • Deposit

    Anderson, R.E., 1969, Preliminary geochemistry and geology of the Little Falls Creek area, Talkeetna Mountains quadrangle, Alaska: Alaska Division of Mines and Geology Geochemical Report 19, 16 p., 1 plate, scale 1:45,000.

  • Deposit

    Cobb, E.H., 1972, Metallic mineral resources map of the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-370, 1 sheet, scale 1:250,000.

  • Deposit

    Csejtey, Bela, Jr., and Miller, R.J., 1978, Map and table describing metalliferous and selected nonmetalliferous mineral deposits in the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-558-B, 20 p., 1 plate, scale 1:250,000.

  • Deposit

    Singer, D.A., Csejtey, Bela, Jr., and Miller, R.J., 1978, Map and discussion of the metalliferous and selected nonmetalliferous mineral resources of the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey Open-file Report 78-588-Q, 33 p., 1 plate, scale 1:250,000.

  • Deposit

    Cobb, E.H., and Csejtey, Bela, Jr., 1980, Summaries of data on and lists of references to metallic and selected nonmetallic mineral deposits in the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey Open-File Report 80-716, 63 p.

  • Deposit

    MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous and selected non-metalliferous mineral deposits in the eastern part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-A, 99 p., 1 sheet, scale 1:1,000,000.

Comments on the references

  • Primary Reference = Rose, 1967

General comments

Subject category Comment text
Deposit Model Name = Mafic copper-nickel association (Cox and Singer, 1986; model 5 or 7?)
Deposit Other Comments = A lode claim.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-AUG-1996 Riehle, J. U.S. Geological Survey