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Inner Submarine Beach Placer

Producer in Alaska, United States with commodity Gold
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Geologic information

Identification information

Deposit ID 10002095
MRDS ID A012957
Record type Site
Current site name Inner Submarine Beach Placer
Alternate or previous names Submarine Beach
Related records 10160022

Geographic coordinates

Geographic coordinates: -165.44771, 64.50511 (WGS84)
Elevation -6
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • BURIED BEACH-LIKE TREND PARALLEL TO PRESENT COASTLINE AND ABOUT 1/4 MILE INLAND; TRACEABLE FOR ABOUT 2 MILES BEGINNING FROM POINT IMMEDIATELY WEST OF MOUTH OF SNAKE RIVER; USGS BULLETIN 533, PL. III. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • AU AMALGAMATION WAS HINDERED BY HIGH AS CONTENT OF CON.

Materials information

Materials Type of material
Gold Ore
Ilmenite Gangue
Pyrite Gangue

Analytical data

Result LARGEST NUGGET WAS WORTH $10-12 AT $20.67/FINE OZ., USGS BULLETIN 379, P. 275.

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Metamorphic Rock > Schist
  • Host or associated Host
    Rock type Unconsolidated Deposit > Sand and Gravel
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -165.44771, 64.50511
ListMap

Comments on the geologic information

  • DEPOSIT CONTAINS GRANITE FRAGMENTS AND LARGE BLOCKS OF QUARTZ; BROKEN MARINE SHELLS IN SAND LAYER. ; MAJOR.UNITS: CALC SCHIST

Economic information

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1907

Comments on the production information

  • MORE THAN 10,000 CY MINED BY DRIFTING, 1907-08; DREDGING BY AK GOLD CO. 1975-1982, ON UPPER DRY CR. AND SUBMARINE BEACH AVERAGED 12,000 OZ ANNUALLY; COMBINED PROD. FOR U. DRY CR. AND SUBMARINE BEACH: 242 KG IN 1975, 445 KG IN 1976, RECOVERY BETWEEN 0.42 AND 0.49 G/CXM; USGS OFR 78-1-C, P. 45 AND ALASKA'S MINERAL INDUSTRY 1981-82, (ADGGS PUB.).

Comments on the reserve resource information

  • RESERVES IN 1977 ESTIMATED AT 37,000 KG IN 5 SQ KM OF DREDGE GROUND, USGS OFR 78-1-C, P. 45.

Comments on the workings information

  • 2 SHAFTS IN 1907-08 WERE 65 FT AND 69 FT DEEP; GROUND ENTIRELY FROZEN.

Comments on development

  • DRIFT MINED, 1907-1908; DREDGE OPERATION: 1975-1984; DREDGE CAPACITY 9000 CY/PAY

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A012957

Bibliographic references

  • Deposit

    USGS BULLETIN 379, P. 271-276.

  • Deposit

    USGS BULLETIN 533, P. 118.

  • Deposit

    USGS OFR 414, P. 7-9.

  • Deposit

    USGS PROF. PAPER 759-A, P. A2-A3.

  • Deposit

    KASTELIC, W.R, 1975, GOLD PLACER EXPLORATION, NOME, AK: 1975 MINING YEARBOOK, P. 85-88, 91.

  • Deposit

    USGS OFR 77-796-B, P. 26, NO. 347.

  • Deposit

    USGS OFR 78-1-C, P. 45.

  • Deposit

    ADGGS ALASKA'S MINERAL INDUSTRY 1981-1982.

  • Deposit

    ADGGS SR 38, P. 24-25.

  • Deposit

    ADGGS IC 7, P. 2.

  • Other Database

    BAG-MF-463-139

General comments

Subject category Comment text
Deposit 1-3 FT OF SAND AND PEBBLY SAND; AU ON BEDROCK OR SHELL-RICH CLAY WHERE BEDROCK IS LOW; PROBABLY REPRESENTS A NEARSHORE DEPOSIT; FORMS THE BASE OF CAOSTAL PLAIN DEPOSIT CONSISTING OF 50-55 FT OF GRAVEL CAPPED BY 10-15 FT OF MUCK.
Deposit SEE ALSO: (DRY CR.), OUTER SUBMARINE BEACH ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

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