Deposit ID | 10000038 |
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MRDS ID | A010040 |
Record type | Site |
Current site name | Flagstaff Mining Co. |
Alternate or previous names | Treasure, Last Chance |
Related records | 10161564 |
Geographic coordinates: | -132.66431, 55.53584 (WGS84) |
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(click for info) |
Country | State |
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United States | Alaska |
Commodity | Importance |
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Gold | Primary |
Silver | Secondary |
Copper | Secondary |
Lead | Secondary |
Zinc | Tertiary |
Materials | Type of material |
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Chalcocite | Ore |
Chalcopyrite | Ore |
Copper | Ore |
Covellite | Ore |
Galena | Ore |
Gold | Ore |
Pyrite | Ore |
Sphalerite | Ore |
Host or associated | Associated |
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Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
Host or associated | Associated |
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Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite > Diabase |
Host or associated | Host |
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Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
(1) | -132.66431, 55.53584 |
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Strike | N 55 W |
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Dip | GONE TO 86 NE |
Thickness | 0.91M |
Length | 1609.3M |
Development status | Past Producer |
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Commodity type | Metallic |
Deposit size | Small |
Significant | No |
Discovery year | 1900 |
Year of last production | 1941 |
District name | Ketchikan District |
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Ownership category | State |
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Type of workings | Surface/Underground |
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Length | 396.24M |
Agency | Database name | Acronym | Record ID | Notes |
---|---|---|---|---|
USGS | Mineral Resources Data System | MRDS | A010040 |
USGS BULL 284, P. 41-42.
USGS BULL 642, P. 80-81.
USGS BULL 933-A, P. 18-19.
USGS BULL 963-A, P. 10-13.
ADGGS SPECIAL REPORT 1, P. 8-9.
USGS OF 78-869, P. 64-65.
USGS MF 433.
Subject category | Comment text |
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Deposit | ORE MILLED IN 1939 YIELDED 10.5 LBS. CU AND 1.6 LBS PB PER TOZ AU, AG: AU RATIO WAS 7:1 ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
Type | Date | Name | Affiliation | Comment |
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Reporter | 01-JUN-1983 | Hirschmann, M. M. (Elliott, R. L.) | U.S. Geological Survey |