Hammond River Placer

Past Producer in Alaska, United States with commodity Gold

Geologic information

Identification information

Deposit ID 10100954
MRDS ID A011037
Record type Site
Current site name Hammond River Placer
Related records 10097499

Geographic coordinates

Geographic coordinates: -150.13223, 67.4883 (WGS84)
Relative position ENTERS MIDDLE FORK VALLEY ABOUT 2 MI NE OF MIDNIGHT DOME.
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Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
031N 011W Alaska

Comments on the location information

  • LOCATION AT JUNCTION WITH GOLDBOTTOM GULCH; PLACER INCLUDES AT LEAST 6 MI UPSTREAM AND DOWNSTREAM FROM LOCATION. 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

Materials information

Materials Type of material
Gold Ore
Pyrite Gangue

Analytical data

Result GOLD FINENESS 961.

Nearby scientific data

(1) -150.13223, 67.4883

Ore body information

  • General form PAY GRAVEL
    Thickness 3.05M
    Length 20920.9M

Comments on the geologic information

  • GEOL.COM: PLACER PROBABLY INCLUDES THOSE AT THE MOUTHS OF SWIFT, GOLDBOTTOM, AND BUCKEYE GULCHES. ; MAJOR.UNITS: BEDROCK IS SCHIST

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1900
Year of first production 1900
Year of last production 1940

Mining district

District name Koyukuk District

Land status

Ownership category BLM Administrative Area

Comments on the production information

  • AVE. VALUE WAS 1.46 DOLLARS PER SQ. FT.; ADDITION SIGNIFICANT PRODUCTION IN 1915.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 35.05M
    Overall length 20920.9M

Comments on the workings information

  • DEEP, FROZEN GOLD-BEARING GRAVELS, LOCALLY THAWED ON BEDROCK. WORKINGS ON LOWER 13 MI OF RIVER; WATER PROBLEMS SIGNIFICANT IN DRIFT MINES (1915).

Comments on development

  • EXPL.COM: PROPERTY WAS AT LEAST ACTIVE IN 1900-05, 1911-1916, 1922, 1927-28, 1931-36, 1939-40.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A011037

Bibliographic references

  • Deposit

    USGS OFR 76-340, P. 114-115.

  • Deposit

    USGS BULL 532, P. 69, 95-97.

  • Deposit

    REED, 1938, ALASKA DEPT OF MINES UNPUBL REPT, P. 49-58.

  • Production

    USGS BULL 532, P. 69,

General comments

Subject category Comment text
Deposit MINOR MODERN PLACER CONTRIBUTION; PAY GRAVEL FROM 8 TO 10 FT THICK
Deposit A 137 TOZ NUGGET RECOVERED (1913). BURIED PLACER EXTENDS INTO MIDDLE FORK VALLEY WERE IT WAS TRUNCATED BY GLACIATION. ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-84 Bliss, James D. U.S. Geological Survey
Editor 14-APR-95 Waller, Nichelle (Mosier, Dan) U.S. Geological Survey PUT DIMENSION DATA INTO THE ORE BODY FIELDS FROM THE DEPOSIT COMMENTS FIELD.