Deposit ID | 10002424 |
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MRDS ID | A013345 |
Record type | Site |
Current site name | Jensen Gold-Silver Mine |
Alternate or previous names | Marty Group: Fairview Claim |
Related records | 10161011 |
Geographic coordinates: | -133.29804, 57.58975 (WGS84) |
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Elevation | 777 |
Relative position | 1.5 MI. E OF HEAD OF WINDHAM BAY |
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Country | State |
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United States | Alaska |
Commodity | Importance |
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Gold | Primary |
Silver | Secondary |
Lead | Tertiary |
Zinc | Tertiary |
Materials | Type of material |
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Sphalerite | Ore |
Pyrite | Gangue |
Pyrrhotite | Gangue |
Quartz | Gangue |
Result | HIGHEST VALUE WAS 0.65 FT. VEIN SAMPLE ASSAYED AT 16.98 OZ/TON AU, 3.14 OZ/TON AG, 4000 PPM PB |
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Result | AVERAGE ASSAY OF 68 FT. INTERVAL ALONG MAIN VEIN WAS 0.05 OZ/TON AU WITH 4 FT. STOPING WIDTH. USGS B 1525, P. 131, 132, 272, TABLE 17. |
Host or associated | Host | ||
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Rock type | Metamorphic Rock > Schist | ||
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(1) | -133.29804, 57.58975 |
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Type of structure | Local |
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Structure description | Foliation Of Schist Strikes N 50 Degrees W, Dips 70 Degrees Ne |
Strike | MAIN VEIN: N 55 DEGREES W; OTHER VEINS: N 45 DEGREES-60 DEGREES W |
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Dip | MAIN VEIN: 60 DEGREES NE; OTHER VEINS: 45 DEGREES-70 DEGREES E |
Strike | MAIN VEIN: N 55 DEGREES W; OTHER VEINS: N 45 DEGREES-60 DEGREES W |
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Dip | MAIN VEIN: 60 DEGREES NE; OTHER VEINS: 45 DEGREES-70 DEGREES E |
Development status | Past Producer |
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Commodity type | Metallic |
Deposit size | Small |
Significant | No |
Year of first production | 1927 |
Year of last production | 1927 |
District name | Petersburg |
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Ownership category | National Forest |
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Type of workings | Underground |
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Length | 99.06M |
Agency | Database name | Acronym | Record ID | Notes |
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USGS | Mineral Resources Data System | MRDS | A013345 |
USGS B 1525, P. 127, 131-32, 262, 272, FIGS. 31, 42, TABLES 14, 17, (1984)
USBM OFR 91-86, P. 44, 50, 53, 54, TABLE 2 (1986)
BAG-B-1525-FIGS-31, 33
Subject category | Comment text |
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Deposit | MAIN DRIFT DRIVEN ON SERIES OF QUARTZ VEINS 0.5-1.5 FT. THICK IN SCHIST, BEARING PYRITE, PYRRHOTITE, GALENA, SPHALERITE, AND OCCASIONALLY FREE GOLD. DIP OF VEINS OPPOSITE TO DIP OF SCHIST. |
Deposit | PART OF MARTY GROUP OF CLAIMS. MINE HAS BEEN ABANDONED FOR MANY YEARS. MAY HAVE BEEN SOME PRODUCTION AFTER 1927. ; INFO.SRC : 1 PUB LIT |
Type | Date | Name | Affiliation | Comment |
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Reporter | 01-JUN-1987 | Niles, L.P. (Huber, D.F.) | U.S. Geological Survey |