H.G. Cloes

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

Geologic information

Identification information

Deposit ID 10003427
MRDS ID A106184
Record type Site
Current site name H.G. Cloes

Geographic coordinates

Geographic coordinates: -148.17259, 61.02956 (WGS84)
Relative position West shore of Barry Arm, near mouth of unnamed drainage flowing eastward from Mount Doran. Accurate within 1,500 ft. Locality A-33 of Jansons and others (1984).
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Geographic areas

Country State
United States Alaska


Commodity Importance
Gold Primary
Copper Primary
Lead Primary

Materials information

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

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27
Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Nearby scientific data

(1) -148.17259, 61.02956

Comments on the geologic information

  • Geologic Description = Roehm (1936) reported a quartz vein that contains pyrite, chalcopyrite, and galena cutting Late Cretaceous metasedimentary rocks of the Valdez Group.
  • Age = Late Cretaceous or younger; quartz vein cuts Late Cretaceous metasedimentary rocks of the Valdez Group.

Economic information

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Prince William Sound

Comments on the production information

  • Production Notes = No reported production.

Comments on the workings information

  • Workings / Exploration = Minor stripping reported (Roehm, 1936).

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A106184
USGS Alaska Resource Data File ARDF AN121

Bibliographic references

  • Deposit

    Jansons, Uldis, Hoekzema, R.B., Kurtak, J.M., and Fechner, S.A., 1984, Mineral occurrences in the Chugach National Forest, Southcentral Alaska: U.S. Bureau of Mines Open-File Report 5-84, 218 p., 2 sheets, scale 1:250,000.

  • Deposit

    Roehm, J.C., 1936, Summary Report of Investigations in the Chistochina/Slana River, Nabesna, Tiekel, Valdez, Prince William Sound and Kodiak Mining Districts and Itinerary of J.C. Roehm, Associate Engineer, to Commissioner of Mines: Alaska Territorial Department of Mines Itinerary Report IR-JCR, 18 p.

Comments on the references

  • Primary Reference = Roehm, 1936

General comments

Subject category Comment text
Deposit Model Name = Chugach-type low-sulfide Au-quartz vein ? (Bliss, 1992; model 36a.1 ?) or Polymetallic veins ? (Cox and Singer, 1986; model 22c ?)

Reporter information

Type Date Name Affiliation Comment
Reporter 30-JUL-1998 D.P. Bickerstaff U.S. Geological Survey
Reporter 30-JUL-1998 S.W. Huss U.S. Geological Survey