Deposit ID | 10002474 |
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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: | -161.8946, 61.83124 (WGS84) |
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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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Country | State |
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United States | Alaska |
Commodity | Importance |
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Gold | Primary |
Silver | Primary |
Lead | Secondary |
Copper | Secondary |
Molybdenum | Secondary |
Tungsten | Tertiary |
Materials | Type of material |
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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 |
Host or associated | Associated | ||||
---|---|---|---|---|---|
Rock type | Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone | ||||
Rock unit name | Gemuk Group | ||||
Rock description | Gemuk Group | ||||
|
Host or associated | Associated |
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Rock type | Plutonic Rock > Granitoid > Granite |
Host or associated | Host |
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Rock type | Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone |
(1) | -161.8946, 61.83124 |
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Width | 0.3M |
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Length | 30.48M |
Development status | Occurrence |
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Commodity type | Metallic |
Deposit size | Small |
Significant | No |
Discovery year | 1914 |
Discoverer | Thomas Plunkett |
Type of workings | Surface |
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Overall depth | 4.57M |
Overall length | 30.48M |
Overall width | 0.91M |
Agency | Database name | Acronym | Record ID | Notes |
---|---|---|---|---|
USGS | Mineral Resources Data System | MRDS | A013406 |
USGS MF-444, LOC. 1 (1972)
USGS OF 77-156, P. 54 (1977)
USGS B 683, P. 57, 63-64 (1918)
USGS C 328, P. 8-9, PLATE 2 (1954)
BAG-MF-444-1
Subject category | Comment text |
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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. |
Type | Date | Name | Affiliation | Comment |
---|---|---|---|---|
Reporter | 01-JUL-87 | Niles, L.P. (Huber, D.F.) | U.S. Geological Survey |