Deposit ID | 10001319 |
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MRDS ID | A012058 |
Record type | Site |
Current site name | Perseverance Mine |
Alternate or previous names | Alaska-Juneau Mining Co., Alaska Gastineau Gold Mining Co. |
Related records | 10112474 |
Geographic coordinates: | -134.337, 58.30003 (WGS84) |
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Relative position | SOUTH OF, AND ADJOINING THE ALASKA-JUNEAU MINE |
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Country | State |
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United States | Alaska |
Commodity | Importance |
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Gold | Primary |
Silver | Secondary |
Lead | Secondary |
Zinc | Tertiary |
Copper | Tertiary |
Materials | Type of material |
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Chalcopyrite | Ore |
Sphalerite | Ore |
Pyrite | Gangue |
Pyrrhotite | Gangue |
Quartz | Gangue |
Tourmaline | Gangue |
Result | LOW GRADE AU DEPOSIT |
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Result | 0.1 OZ/TON AG, 0.1% PB, 0.2% ZN, TRANS. AM. INST. MINING AND METALLURGICAL ENG., VOL. 63, P. 464 |
Host or associated | Associated | ||||
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Rock type | Metamorphic Rock > Gneiss | ||||
Rock unit name | Mt. Juneau Pluton | ||||
Rock description | Mt. Juneau Pluton | ||||
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Host or associated | Host |
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Rock type | Metamorphic Rock > Amphibolite |
Rock unit name | Perseverance Slate;Perseverance Slate |
Rock description | Perseverance Slate;Perseverance Slate |
(1) | -134.337, 58.30003 |
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Type | Description | Terms |
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Regional | See Alaska-Juneau | |
Local | Large Fold Shows Mass Of Small Folds In Hinge With Axial Planar Cleavage Parallel To Limbs Of Large Fold |
Strike | NW AVERAGE |
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Dip | 60-65 NE |
Development status | Producer |
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Commodity type | Metallic |
Deposit size | Small |
Significant | No |
Discovery year | 1885 |
District name | Juneau |
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Ownership category | National Forest |
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Year | 1910 |
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Material | ORE |
Ore mined | 1,097,672.35mt |
Description | Ap_Grade: ^Tons Of Ore Milled: 1,115,294 |
Year | 1911 |
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Material | ORE |
Ore mined | 1,862,881.94mt |
Description | Ap_Grade: ^Tons Of Ore Milled: 1,892,788 |
Type of workings | Surface/Underground |
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Area | 65.561HA |
Overall length | 1463.04M |
Overall width | 487.68M |
Agency | Database name | Acronym | Record ID | Notes |
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USGS | Mineral Resources Data System | MRDS | A012058 |
TRANSACTIONS OF THE AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS, VOL. 63, P. 464-506
USGS BULL 662, P. 80
USGS OFR 60, P. 17-19, 26
USGS BULL 917-C, P. 186-187
ADGGS GR 1, P. 1, 7
USGS BULL 287, P. 58-59, 74-76
USGS BULL 314, P. 55
USBM BULL 153, P. 17-18
STONE, DAVID AND STONE, BRENDA, 1983, HARD ROCK GOLD; THE STORY OF THE GREAT MINES THAT WERE THE HEARTBEAT OF JUNEAU: SEATTLE, WA, VANGUARD PRESS, INC., P. 55
USGS OFR 85-717, P. 181
BAG-OFR-85-717-168
USGS BULL 917-C, P. 186, TABLE 5; USGS OFR 60, P. 26, TABLE 1; USGS OFR 85-717, NO. J168
Subject category | Comment text |
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Deposit | PART OF ALASKA JUNEAU LODE SYSTEM; NETWORK OF QUARTZ VEINS AND STRINGERS IN ZONE ABOUT 800 FT WIDE IN PERSEVERANCE SLATE; QUARTZ VEINS CONTAIN 1.5-2.0% SULFIDES, INCLUDING PYRRHOTITE, GALENA, SPHALERITE, PYRITE, RARE CHALCOPYRITE, AND ARSENOPYRITE |
Deposit | SEE ALSO: ALASKA-JUNEAU MINE; SOME DATA COMBINED FOR A.J., PERSEVERANCE AND EBNER AS THEY ARE ALL ON THE SAME LODE SYSTEM; REASONS FOR FAILURE OF ALASKA GASTINEAU LARGE SCALE, LOW GRADE ENTERPRISE: 1. OVERLY OPTIMISTIC INITIAL ESTIMATE OF GRADE, 2. UNCONTROLLED DILUTION OF ORE BY CAVING OF WASTE ROCK IN THE STOPES, 3. LABOR SHORTAGE AND INCREASE IN OPERATION COSTS DUE TO WWI, AND 4. REDUCED MILL EFFICIENCY DUE TO INTRODUCTION OF WET ORE INTO DRY-CRUSHING SYSTEM, USGS OFR 60, P. 19 ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
Type | Date | Name | Affiliation | Comment |
---|---|---|---|---|
Reporter | 01-NOV-1985 | Leonard, Kenneth R. (Elliott, R. L.) | U.S. Geological Survey | |
Editor | 14-APR-1994 | Mosier, Dan | U.S. Geological Survey |