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Gull

Prospect in Alaska, United States with commodities Gold, Copper, Lead
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Geologic information

Identification information

Deposit ID 10003614
MRDS ID A106372
Record type Site
Current site name Gull

Geographic coordinates

Geographic coordinates: -154.24267, 60.28943 (WGS84)
Relative position Prospect is roughly 2.3 km upstream from mouth of Kijik River. Locality 21 of Nelson and others (1985) and locality 12 of MacKevett and Holloway (1977). Locality accurate within 1,600 m.
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary
Copper Secondary
Lead Secondary

Alteration

  • (Local) Unknown

Mineral occurrence model information

Model code 78
USGS model code 20c
Deposit model name Porphyry Cu-Au
Mark3 model number 34

Nearby scientific data

(1) -154.24267, 60.28943
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Comments on the geologic information

  • Geologic Description = The only information is that two lode claims were staked in granite porphyry (U.S. Bureau of Mines, 1973). The granite porphyry has phenocrysts of quartz, plagioclase, and potassic feldspar up to 4 mm across in a groundmass of quartz, potassic feldspar, and plagioclase grains up to 1 mm across (Nelson and others, 1983; unit TKi10).
  • Age = Granite is Cretaceous to Tertiary (Nelson and others, 1983; unit TKi10).

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Probably inactive

Mining district

District name Bristol Bay

Comments on the production information

  • Production Notes = No production

Comments on the reserve resource information

  • Reserves = No reserves

Comments on the workings information

  • Workings / Exploration = Unknown

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A106372
USGS Alaska Resource Data File ARDF LC036

Bibliographic references

  • Deposit

    U.S. Bureau of Mines, 1973, Alaska 1:250,000-scale quadrangle map overlays showing mineral deposit locations, principal minerals, and number and type of claims: U.S. Bureau of Mines Open-File Report 20-73, 95 overlays (updated in 1986, 1987).

  • Deposit

    MacKevett, E.M., Jr., and Holloway, C.D., 1977, Map showing metalliferous mineral deposits in the western part of southern Alaska: U.S. Geological Survey Open-File Report 77-169-F, 38 p., 1 sheet, scale 1:1,000,000.

Comments on the references

  • Primary Reference = Nelson and others, 1985

General comments

Subject category Comment text
Deposit Model Name = Porphyry Cu - Au ? (Cox and Singer, 1986; model 20c ?)
Deposit Other Comments = Site is in Lake Clark National Park and Preserve.

Reporter information

Type Date Name Affiliation Comment
Reporter 15-JUN-1998 D.P. Bickerstaff U.S. Geological Survey