Deposit ID | 10002420 |
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MRDS ID | A013341 |
Record type | Site |
Current site name | Gertrude Gold Prospect |
Alternate or previous names | Gertrude and Gertrude 400 Adits |
Geographic coordinates: | -133.3386, 57.59197 (WGS84) |
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Elevation | 6 |
Relative position | 0.2 MI. SW 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 | Primary |
Materials | Type of material |
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Gold | Ore |
Quartz | Gangue |
Result | GERTRUDE ADIT-QUARTZ-PYRITE GRAB SAMPLE: 7.0 PPM AU, 150 PPM AG |
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Result | BEST CHANNEL SAMPLE (6 FT.): 0.30 PPM AU, 3 PPM AG (SEMIQUANTITATIVE SPECTROGRAPHIC ANALYSIS), 1.4 PPM AU, 6.5 PPM AG (FIRE ASSAY). GERTRUDE "400" ADIT-RANDOM CHIP SAMPLE: 0.40 PPM AU, 0.5 PPM AG. B 1525, TABLE 15, SAMPLES 4K076, 4K077, 4K081. |
Host or associated | Host |
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Rock type | Metamorphic Rock > Schist |
(1) | -133.3386, 57.59197 |
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Type of structure | Local |
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Structure description | Foliation Of Schist Strikes Nw, Dips 70 Degrees W |
Strike | NW |
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Dip | 70 DEGREES W |
Development status | Occurrence |
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Commodity type | Metallic |
Deposit size | Small |
Significant | No |
Agency | Database name | Acronym | Record ID | Notes |
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USGS | Mineral Resources Data System | MRDS | A013341 |
USGS B 1525, P. 121-126, FIGS. 27, 29, 30, PLATES 1, 3 (1984)
BAG-B-1525-FIG-27, 29, 30
Subject category | Comment text |
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Deposit | MUSCOVITE SCHIST WITH QUARTZ STRINGERS PARALLEL TO FOLIATION AT GERTRUDE ADIT, QUARTZ POD STRIKING N 50 W, DIPPING 35 DEGREES NE IN PHYLLITIC SCHIST AT GERTRUDE "400" ADIT. |
Type | Date | Name | Affiliation | Comment |
---|---|---|---|---|
Reporter | 01-JUN-1987 | Niles, L.P. (Huber, D.F.) | U.S. Geological Survey | |
Editor | 14-SEP-1994 | Waller, Nichelle (Mosier, Dan) | U.S. Geological Survey | PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES. |