Delarof Harbor

Occurrence in Alaska, United States with commodity Gold

Geologic information

Identification information

Deposit ID 10308146
Record type Site
Current site name Delarof Harbor

Geographic coordinates

Geographic coordinates: -160.55041, 55.18623 (WGS84)
Relative position This site, at the head of Delarof Harbor on southeastern Unga Island, represents beach sands at the mouth of the creek draining the Apollo mine area (MacKevett and Holloway, 1977, locality 14; Wilson and others, 1988, locality 14). The location is accurate to within 1,200 feet.
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Geographic areas

Country State
United States Alaska


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

Nearby scientific data

(1) -160.55041, 55.18623

Comments on the geologic information

  • Geologic Description = This occurrence represents placer gold in beach sands at the mouth of a creek draining the Apollo mine area (PM079).
  • Age = Quaternary.

Economic information

Economic information about the deposit and operations

Development status Occurrence

Comments on exploration

  • Status = Inactive

Mining district

District name Alaska Peninsula

Comments on the workings information

  • Workings / Exploration = Some beach mining was reported in 1911 (Brooks, 1912).

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Alaska Resource Data File ARDF PM077

Bibliographic references

  • Deposit

    Brooks, A.H., 1912, The Alaska mining industry in 1911, in Brooks, A.H., and others, Mineral resources of Alaska, 1911: U.S. Geological Survey Bulletin 520, p. 17-44.

  • 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

    Wilson, F.H., White, W.H., and DuBois, G.D., 1988, Brief descriptions of mines, prospects, and mineral occurrences in the Port Moller and Stepovak Bay quadrangles, Alaska Peninsula: U.S. Geological Survey Open-File Report 88-666, 128 p., scale 1:250,000.

  • 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 = Brooks, 1912

General comments

Subject category Comment text
Deposit Model Name = Placer Au (Cox and Singer, 1986; model 39a)

Reporter information

Type Date Name Affiliation Comment
Reporter 04-JAN-01 S.H. Pilcher U.S. Geological Survey