Murray Gulch

Producer in Alaska, United States with commodity Gold

Geologic information

Identification information

Deposit ID 10100572
MRDS ID A013424
Record type Site
Current site name Murray Gulch
Alternate or previous names Murray Gulch and New York Creek, New York Creek
Related records 10112467

Geographic coordinates

Geographic coordinates: -158.58286, 61.56936 (WGS84)
Relative position Cobb, 1972, Loc. 17; Location is at mouth of Murray Gulch on New York Creek. Placer deposits extend 1 mi upstream on Murray Gulch.
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold 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 > Silt
    Stratigraphic age (youngest) Holocene
  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
  • Host or associated Host
    Rock type Unconsolidated Deposit > Alluvium

Nearby scientific data

(1) -158.58286, 61.56936

Comments on the geologic information

  • Geologic Description = Gold occurs downstream from hypabyssal rhyolite dikes that cut Kuskokwim Group sedimentary rock in the upper part of Murray Gulch. Maddren (1915) reported course gold from deep gravel beneath the stream and from bench gravels about 70 ft above present flood plain. Bench gold is rough.
  • Age = Tertiary/Quaternary

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic

Comments on exploration

  • Status = Active

Mining district

District name Aniak

Comments on the production information

  • Production Notes = About 1,500 oz Au produced prior to about 1955; further unrecorded production 1979-81.

Comments on the workings information

  • Workings / Exploration = Surface trenches and shaft into frozen ground.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A013424
USGS Alaska Resource Data File ARDF SM032

Bibliographic references

  • Deposit

    Maddren, A.G., 1915, Gold placers of the lower Kuskokwim with a note on copper in the Russian Mountains: U.S. Geological Survey Bulletin 622-H, p. 292-360.

  • Deposit

    Cady, W.M., Wallace, R.E., Hoare, J.M., and Webber, E.J., 1955, The central Kuskokwim region, Alaska: U.S. Geological Survey Professional Paper 268, 132 p.

  • Deposit

    Cobb, E.H., 1972, Metallic mineral resources map of the Sleetmute quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-368, scale 1:250,000.

  • Deposit

    Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Dillingham, Sleetmute, and Taylor Mountain quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-606, 92 p.

  • Deposit

    Yeend, W.E., 1986, Descriptive model of Placer Au-PGE, in Cox, D.P., and Singer, D.A., eds. Mineral Deposit Models: U.S. Geological Survey Bulletin 1693, p. 261-4.

  • Deposit

    Miller, M.L., Belkin, H.E., Blodgett, R.B., Bundtzen, T.K., Cady, J.W., Goldfarb, R.J., Gray, J.E., McGimsey, R.G., and Simpson, S.L., 1989, Pre-field study and mineral resource assessment of the Sleetmute quadrangle, southwestern Alaska: U.S. Geological Survey Open-File Report 89-363, 115 p., 3 plates, scale 1:250,000.

  • Deposit

    Cobb, E.H., 1976, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Dillingham, Sleetmute, and Taylor Mountains quadrangles, Alaska: U.S. Geological Survey Open-File Report 76-606, 92 p.

Comments on the references

  • Primary Reference = Maddren, 1915, p. 353-355

General comments

Subject category Comment text
Deposit Model Name = Placer: stream; bench
Deposit Other Comments = Stream gradient about 180 ft/mi.

Reporter information

Type Date Name Affiliation Comment
Reporter 02-JUN-94 Huber, D.F. U.S. Geological Survey
Reporter 02-JUN-94 Niles, L.P. U.S. Geological Survey
Reporter 02-JUN-94 Miller, M.L. U.S. Geological Survey