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Dry Gulch Platinum Placer

Producer in Alaska, United States with commodities PGE, Gold, Chromium
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Geologic information

Identification information

Deposit ID 10107535
MRDS ID A013212
Record type Site
Current site name Dry Gulch Platinum Placer

Geographic coordinates

Geographic coordinates: -161.73824, 58.92175 (WGS84)
Elevation 61
Relative position 0.3 MI. SW OF GOODNEWS MINING CAMP
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-362, LOC. 12 (APPROXIMATE LOCATION). LOCATION IS AT MOUTH OF DRY GULCH. PLACER EXTENDS UPSTREAM NW LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
PGE Primary
Gold Secondary
Chromium Tertiary

Materials information

Materials Type of material
Gold Gangue
Ilmenite Gangue
Chromite Unknown

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Alluvium
    Stratigraphic age (youngest) Holocene
  • Host or associated Host
    Rock type Unconsolidated Deposit > Till

Nearby scientific data

(1) -161.73824, 58.92175
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Comments on the geologic information

  • MAJOR.UNITS: BEDROCK CONSISTS OF ULTRAMAFIC ROCKS OF TERT-MES GOODNEWS BAY ULTRAMAFIC COMPLEX. ; REG.COM: SOURCE OF PLATINUM IS GOODNEWS BAY ULTRAMAFIC COMPLEX AT HEAD OF CREEK ON RED MTN.

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1927
Year of first production 1927
Year of last production 1941

Mining district

District name Goodnews Bay

Comments on the workings information

  • DRAGLINE EXCAVATOR USED FOR OPEN CUTS.

Comments on development

  • SMALL-SCALE MINING FROM 1927-34, WORKED BY CLARA CREEK MINING CO USING DRAGLINE EXCAVATOR UNTIL MINED OUT IN 1940 OR 1941. NO CLAIMS ESTABLISHED.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A013212

Bibliographic references

  • Deposit

    USGS MF-362, LOC. 12 (1972)

  • Deposit

    USGS OF 80-909, P. 18 (1980)

  • Deposit

    USGS P 938, P. 4, 5, 23 (1976)

  • Deposit

    USGS B 918, P. 57, 58 (1940)

  • Other Database

    BAG-MF-362-12

General comments

Subject category Comment text
Deposit STREAM GRADIENT IS 500 FT/MI. TRIBUTARY OF PLATINUM CREEK. ; INFO.SRC : 1 PUB LIT
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.
Deposit NO INFORMATION AVAILABLE ON SIZE OR CHARACTERISTICS OF PLACER OR PAYSTREAK.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1987 Leonard, Kenneth R. (Huber, Donald F.) U.S. Geological Survey