Griset and Benson

Prospect in Alaska, United States with commodity Gold

Geologic information

Identification information

Deposit ID 10000996
MRDS ID A011667
Record type Site
Current site name Griset and Benson
Alternate or previous names Eureka and Spruce Groups
Related records 10160930

Geographic coordinates

Geographic coordinates: -148.05259, 61.01956 (WGS84)
Relative position West shore of College Fiord, 1.6 miles north of BM Ken - southern tip of Pakenham Point. Accurate within 0.5 miles. Locality 63 from Cobb (1972), locality 51 of MacKevett and Holloway (1977), and locality A-20 of Jansons and others (1984).
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Mineral occurrence model information

Model code 274
USGS model code 36a.1
Deposit model name Low-sulfide Au-quartz vein, Chugach-type
Mark3 model number 26

Nearby scientific data

(1) -148.05259, 61.01956

Comments on the geologic information

  • Geologic Description = A nearly vertical quartz vein cuts the metasedimentary rocks of the Late Cretaceous Valdez Group. The vein has an average thickness of 3 ft and has been traced for about 300 ft (Johnson, 1914).
  • Age = Late Cretaceous or younger; vein cuts metasedimentary rocks of the Late Cretaceous 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 workings information

  • Workings / Exploration = Explored by 30 ft crosscut and surface excavations (Johnson, 1914).

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011667
USGS Alaska Resource Data File ARDF AN131

Bibliographic references

  • Deposit

    Johnson, B.L., 1914, The Port Wells gold-lode district, Alaska: U.S. Geological Survey Bulletin 592-G, p. 195-236.

  • 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.

  • 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

    Cobb, E.H., 1972, Metallic mineral resources map of the Anchorage quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-409, 1 sheet, 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.

  • Deposit

    Cobb, E.H., 1979, Summary of references to mineral occurrences (other than mineral fuels and construction materials in the Anchorage quadrangle, Alaska: U.S. Geological Survey Open-File Report 79-1095, 184 p.

Comments on the references

  • Primary Reference = Johnson, 1914

General comments

Subject category Comment text
Deposit Model Name = Chugach-type low-sulfide Au-quartz vein ? (Bliss, 1992; model 36a.1 ?)
Deposit Other Comments = the Q. "&" Q. prospect (ARDF number AN132) may be another name for this prospect.

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