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Arnold Gold-Silver Prospect

Occurrence in Alaska, United States with commodities Gold, Silver, Lead, Copper, Molybdenum, Tungsten
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Geologic information

Identification information

Deposit ID 10002474
MRDS ID A013406
Record type Site
Current site name Arnold Gold-Silver Prospect
Alternate or previous names Willow Creek Lode Prospect
Related records 10112824

Geographic coordinates

Geographic coordinates: -161.8946, 61.83124 (WGS84)
Elevation 427
Location accuracy 500(meters)
Relative position 1.7 MI. NE OF WILLOW CREEK, 19.5 MI. W OF RUSSIAN MISSION
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-444, LOC. 1 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
Silver Primary
Lead Secondary
Copper Secondary
Molybdenum Secondary
Tungsten Tertiary

Comments on the commodity information

  • TEST: SHIPMENT IN 1915 RETURNED $80/TON AU AND AG-USGS OF 77-156, P. 54

Materials information

Materials Type of material
Anglesite Ore
Chalcopyrite Ore
Gold Ore
Malachite Ore
Molybdenite Ore
Scheelite Ore
Calcite Gangue
Hematite Gangue
Limonite Gangue
Magnetite Gangue
Pyrite Gangue
Pyrrhotite Gangue
Quartz Gangue

Alteration

  • (Local) Iron Oxide And Copper Stains In Quartz Veins.

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone
    Rock unit name Gemuk Group
    Rock description Gemuk Group
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pennsylvanian
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -161.8946, 61.83124
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Ore body information

  • Width 0.3M
    Length 30.48M

Comments on the geologic information

  • DEPOSIT IS IN GREENSTONE NEAR GRANITIC INTRUSIONS.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1914
Discoverer Thomas Plunkett

Workings at the site

  • Type of workings Surface
    Overall depth 4.57M
    Overall length 30.48M
    Overall width 0.91M

Comments on the workings information

  • SERIES OF TRENCHES TOTALING 100 FT. LONG AND 2-6 FT. DEEP. OPEN CUT DUG 30 FT. INTO HILL, 12-15 FT. DEEP AND 3-6 FT. WIDE.

Comments on development

  • CLAIMS STAKED IN 1914. OPEN CUTS AND TRENCHES MADE, SMALL SAMPLE SHIPMENT OF ORE MADE IN 1915, BUT OTHERWISE NO RECORDED PRODUCTION.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A013406

Bibliographic references

  • Deposit

    USGS MF-444, LOC. 1 (1972)

  • Deposit

    USGS OF 77-156, P. 54 (1977)

  • Deposit

    USGS B 683, P. 57, 63-64 (1918)

  • Deposit

    USGS C 328, P. 8-9, PLATE 2 (1954)

  • Other Database

    BAG-MF-444-1

General comments

Subject category Comment text
Deposit QUARTZ-CALCITE VEINS 6 IN.-1 FT. WIDE IN LOCALLY PYRITIFEROUS GREENSTONE CONTAIN FREE GOLD, PYRITE, GALENA, PYRRHOTITE, MAGNETITE, SMALL AMOUNTS OF MALACHITE AND CHALCOPYRITE TRACES OF SCHEELITE, AND ANGLESITE. VEIN TRACED ALONG STRIKE FOR OVER 100 FT.. MOLYBDENITE FOUND IN OTHER QUARTZ VEINS AT THIS LOCALITY.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-87 Niles, L.P. (Huber, D.F.) U.S. Geological Survey