Ihly

Prospect in Alaska, United States with commodities Silver, Lead, Gold

Geologic information

Identification information

Deposit ID 10001449
MRDS ID A012198
Record type Site
Current site name Ihly

Geographic coordinates

Geographic coordinates: -149.54167, 62.72151 (WGS84)
Relative position Location is on south fork of Gold Creek, 1 mileI (1.6 km) N of hill 3645, in extreme NE corner of Talkeetna Mountains C-6 quad; about 5 miles (8.0 km) ESE of Gold Creek (town); location accurate to within 1/4 mile (400 m) (Csejtey and Miller, 1978, loc. 31).
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Silver Primary
Lead Primary
Gold Secondary

Comments on the commodity information

  • Gangue = Felspar

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Pyrargyrite Ore
Pyrite Ore
Quartz Gangue

Alteration

  • (Local) Dike rock is altered.

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46
Model code 78
USGS model code 20c
Deposit model name Porphyry Cu-Au
Mark3 model number 34

Nearby scientific data

(1) -149.54167, 62.72151

Comments on the geologic information

  • Geologic Description = Fractured felsic dikes in Lower Cretaceous(?) argillite are cut by quartz veins that contain argentiferous galena, pyrite, and chalcopyrite.

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Valdez Creek

Comments on the workings information

  • Workings / Exploration = Type of workings: Surface.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012198
USGS Alaska Resource Data File ARDF TK047

Bibliographic references

  • Deposit

    Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.

  • 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

    Karlson, R.C., Curtin, G.C., Cooley, E.F., and Garmezy, Larry, 1977, Geochemical maps of selected elements and results of spectrographic analyses for heavy-mineral concentrates from the western half of the Talkeetna Mountains quadrangle, Alaska: U.S. Geological Survey Open-File Report 77-530, 7 p., 5 plates, 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

    Kurtak, J.M., Southworth, D.D., Balen, M.D., and Clautice, K.H., 1992, Mineral investigations in the Valdez Creek mining district, south-central Alaska: U.S. Bureau of Mines Open-File Report 1-92, 659 p., 2 plates, scale 1:250,000.

  • 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 = Berg and Cobb, 1967

General comments

Subject category Comment text
Deposit Model Name = Polymetallic vein or porphyry Cu-Au? (Cox and Singer, 1986; model 22c or 20c?)
Deposit Other Comments = Discovered in 1950.

Reporter information

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