Deposit ID | 10002734 |
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MRDS ID | A015182 |
Record type | Site |
Current site name | Hot Springs Dome Prospect |
Alternate or previous names | Barrett Prospect |
Geographic coordinates: | -150.74749, 65.02878 (WGS84) |
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Location accuracy | 1000(meters) |
Relative position | 4 MILES NW OF MANLEY HOT SPRINGS. |
(click for info) |
Country | State |
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United States | Alaska |
Commodity | Importance |
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Gold | Primary |
Silver | Primary |
Copper | Secondary |
Lead | Secondary |
Cobalt | Secondary |
Nickel | Tertiary |
REE | Tertiary |
Manganese | Tertiary |
Materials | Type of material |
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Chalcopyrite | Ore |
Gold | Ore |
Monazite | Ore |
Silver | Ore |
Calcite | Gangue |
Goethite | Gangue |
Hematite | Gangue |
Limonite | Gangue |
Pyrite | Gangue |
Pyrrhotite | Gangue |
Quartz | Gangue |
Siderite | Gangue |
Result | AU: .17 OZ./TON, AG: .53 OZ./TON, CO: .02%, PB: 3.7% CU: 1.2%. SEE REF. 4. |
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Host or associated | Associated |
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Rock type | Plutonic Rock > Granitoid > Granite |
Host or associated | Host |
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Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Argillite |
(1) | -150.74749, 65.02878 |
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General form | BALLS |
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Thickness | 135.94M |
Width | 15.24M |
Length | 609.6M |
Development status | Occurrence |
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Commodity type | Metallic |
Deposit size | Small |
Significant | No |
Agency | Database name | Acronym | Record ID | Notes |
---|---|---|---|---|
USGS | Mineral Resources Data System | MRDS | A015182 |
USGS MF-371 (A-2), LOC. 6.
USGS BULL. 844-D, P. 215-216.
USGS BULL. 1058-I, P. 369-370
USBM OF 8-71, 1971.
Subject category | Comment text |
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Deposit | THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE. |
Deposit | LOW-GRADE MINERALIZED BELT IN SHEARED METASEDIMENTARY ROCKS PARALLEL TO A BIOTITE GRANITE INTRUSIVE CONTAINS AT LEAST 6 GOLD-SILVER LODES. BARRETT PROSPECT CONTAINS ARGENTIFEROUS GALENA, LIMONITE, AND MINOR AMOUNTS OF GOLD, HEMATITE, CHALCOPYRITE, CHALCOCITE, PYRRHOTITE, PYRITE, AND SECONDARY COPPER MINERALS, AND ERYTHRITE (PINK COBALT BLOOM). SURFACE ORE IS ESSENTIALLY VEINS OF GALENA AND POCKETS OF LIMONITE. NATIVE SILVER IN SMALL BALLS AT SURFACE OF LODE. NICKEL REPORTED IN PYRRHOTITE BEARING BASALT DIKE SOUTH OF BARRETT PROSPECT. SAMPLE FROM A DIKE THAT CUTS GRANITE CONTAINED MONAZITE. DIKES 3 IN. TO 4 FT. THICK CONTAIN AS MUCH AS 15% TOURMALINE. |
Deposit | MINERALIZATION SURROUNDS SUMMIT OF MANLY HOT SPRINGS DOME. EXPOSURE OF MINERALIZATION IS POOR. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
Type | Date | Name | Affiliation | Comment |
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Reporter | 01-MAY-1987 | Powers, M.T. (Huber, D.F.) | U.S. Geological Survey | |
Editor | 20-SEP-1994 | Mosier, Dan | U.S. Geological Survey | PARSED OUT HOST ROCK AND ASSOCIATED ROCK TYPES, AGES, UNIT NAMES, AND UNIT AGES. |