Deposit ID | 10000617 |
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MRDS ID | A011226 |
Record type | Site |
Current site name | Keystone Claim |
Related records | 10136830 |
Geographic coordinates: | -150.92789, 63.54401 (WGS84) |
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Location accuracy | 500(meters) |
(click for info) |
Country | State |
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United States | Alaska |
Commodity | Importance |
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Gold | Primary |
Silver | Primary |
Lead | Secondary |
Zinc | Secondary |
Tungsten | Secondary |
Materials | Type of material |
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Calcite | Gangue |
Pyrite | Gangue |
Quartz | Gangue |
Result | HIGHLY VARIABLE ASSAYS ALONG VEIN |
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Result | SEE DATA FOR PENNSYLVANIA CLAIM |
Host or associated | Host | ||
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Rock type | Metamorphic Rock > Schist | ||
Rock unit name | Birch Creek | ||
Rock description | Birch Creek | ||
|
(1) | -150.92789, 63.54401 |
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Type of structure | Regional |
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Structure description | Kantishna Antiform |
Thickness | 1.83M |
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Length | 365.76M |
Development status | Occurrence |
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Commodity type | Metallic |
Deposit size | Small |
Significant | No |
District name | Kantishna |
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Ownership category | National Park |
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Type of workings | Surface/Underground |
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Length | 15.24M |
Agency | Database name | Acronym | Record ID | Notes |
---|---|---|---|---|
USGS | Mineral Resources Data System | MRDS | A011226 |
USGS BULL 687, P.102-103
DAVIS, J.A., 1923, THE KANTISHNA REGION, AK, IN STEWART B.D., ANNUAL REPORT OF THE MINE INSPECTOR TO THE GOVERNOR OF ALASKA, 1922: JUNEAU, AK, P.130
USGS BULL 836, P.331-332
A.DGGS OFR 98, P.32
USGS OFR 77-169A, P.44 10C. 9
ADGGS RI 83-12, P.20
Subject category | Comment text |
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Deposit | MUCH OF DATA IS INSEPARABLE FROM PENNSYLVANIA CLAIM; SEE ALSO: PENNSYLVANIA ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
Deposit | TWO PRINCIPAL VEINS ARE CUT BY A THIRD VEIN ON KEYSTONE CLAIM: PENNSYLVANIA VEIN STRIKES N 65 E, DIPS 85 S; KEYSTONE VEIN STRIKES N 50 E, DIPS 60 S AND IS 3 TO 6 FT WIDE; CROSS-CUTTING VEIN STRIKES N 30 E, DIPS STEEPLY AND IS 6 FT WIDE; FREE MILLING GOLD IN QUARTZ |
Type | Date | Name | Affiliation | Comment |
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Reporter | 01-NOV-1984 | Leonard, Kenneth R. (Elliott, R. L.) | U.S. Geological Survey |