Unnamed (onTwo Arm Bay)

Occurrence in Alaska, United States with commodity Gold

Geologic information

Identification information

Deposit ID 10000470
MRDS ID A010649
Record type Site
Current site name Unnamed (onTwo Arm Bay)

Geographic coordinates

Geographic coordinates: -150.13253, 59.6895 (WGS84)
Relative position The occurrence is located near VABM Beach at the head of Paguna Bay, which is the east arm of Two Arm Bay. This location is accurate to within one mile.
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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

Alteration

  • (Local) None reported.

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Siltstone
    Rock unit name Valdez Group
    Rock description Valdez Group;Valdez Group

Nearby scientific data

(1) -150.13253, 59.6895

Comments on the geologic information

  • Geologic Description = A few small apparently barren quartz veins and auriferous granite dikes cut slate and graywacke of the Cretaceous Valdez Group (Cobb, 1979, OFR 80-87). A sample of granite assayed $1.80 gold per ton, at $20.67 per ounce gold (Grant and Higgins, 1910).
  • Age = Cretaceous or younger; veins cut and dike cuts Cretaceous graywacke.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Homer

Comments on the workings information

  • Workings / Exploration = None reported.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A010649
USGS Alaska Resource Data File ARDF SV026

Bibliographic references

  • Deposit

    Martin G.C., Johnson, B.L., and Grant, U.S., 1915, Geology and mineral resources of Kenai Peninsula, Alaska: U.S. Geological Survey Bulletin 587, 243 p.

  • Deposit

    Berg, H.C., and Cobb, E.H., 1967, Metalliferous Lode Deposits of Alaska. U.S. Geological Survey Bulletin 1246, 254 p.

  • Deposit

    Cobb, E.H., 1972, Metallic minerals resources map of the Seldovia quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-397, 1 sheet, scale 1:250,000.

  • Deposit

    Cobb, E.H., 1979, Summary of references to mineral occurrences (other than minerals fuels and construction materials) in the Seldovia quadrangle, Alaska: U.S. Geological Survey Open-file Report 80-87, 47 p.

  • 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

    Grant, U.S., and Higgins, D.F., Jr., 1910, Preliminary report on the mineral resources of the southern part of Kenai Peninsula: U.S. Geological Survey Bulletin 442-D, p. 166-178.

Comments on the references

  • Primary Reference = Martin and others, 1915

General comments

Subject category Comment text
Deposit Model Name = Low-sulfide, Au-quartz vein (Cox and Singer, 1986; model 36a)
Deposit Other Comments = This prospect is within Kenai Fjords National Park; the area is now closed to mineral entry.

Reporter information

Type Date Name Affiliation Comment
Reporter 05-APR-1999 Jeff A. Huber U.S. Geological Survey