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Goodnews Bay

Occurrence in Alaska, United States with commodities Platinum, Mercury, Diamond, Mercury
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Geologic information

Identification information

Deposit ID 10000265
MRDS ID A010310
Record type Site
Current site name Goodnews Bay

Geographic coordinates

Geographic coordinates: -161.75269, 59.08925 (WGS84)
Relative position This occurrence is apparently in bottom sediments of Goodnews Bay. The map site on a mud flat at shallow depth in Goodnews Bay, about 1.5 miles south of Beluga Hill. It is included in Hoare and Cobb (1977) under the name 'Goodnews Bay'.
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Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Platinum Primary
Mercury Secondary
Diamond Tertiary
Mercury Secondary

Comments on the commodity information

  • Ore Material = Mercury (native)

Materials information

Materials Type of material
Cinnabar Ore
Diamond Ore
Mercury Ore

Mineral occurrence model information

Model code 120
USGS model code 39b
BC deposit profile C01. C02
Deposit model name Placer PGE-Au

Nearby scientific data

(1) -161.75269, 59.08925
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Comments on the geologic information

  • Geologic Description = Hoare and Cobb (1977, p. 35) reported that core samples of unconsolidated deposits in Goodnews Bay, apparently collected by a private company, contained detectable amounts of platinum. The platinum is said to have been concentrated in clay layers. Most samples also contained cinnabar and native mercury. One tiny diamond is also said to have been found. The highest concentrations were in the north part of the bay, south of Beluga Hill.
  • Age = Holocene.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both metallic and non-metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Goodnews Bay

Comments on the workings information

  • Workings / Exploration = A core sampling program was apparently completed in Goodnews Bay in 1969. A followup sampling and aeromagnetic survey was apparently completed in 1970 with unknown results (Hoare and Cobb, 1977, p. 35).

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A010310
USGS Alaska Resource Data File ARDF GO038

Bibliographic references

  • Deposit

    Hoare, J.M., and Cobb, E.H., 1977, Mineral occurrences (other than mineral fuels and construction materials) in the Bethel, Goodnews, and Russian Mission quadrangles, Alaska: U.S. Geological Survey Open-File Report 77-156, 98 p.

Comments on the references

  • Primary Reference = Hoare and Cobb, 1977

General comments

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

Reporter information

Type Date Name Affiliation Comment
Reporter 20-MAR-2001 Travis L. Hudson Applied Geology