Deposit ID | 10037003 |
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MRDS ID | M029068 |
MAS/MILS ID | 0320130092 |
Record type | Site |
Current site name | Moonlight Mine |
Alternate or previous names | King's River Area, Platora Mine, Moonlight and Forget-Me-Not Claims, NBMG Sample Site 2414. |
Related records | 10295084 |
Geographic coordinates: | -118.16071, 41.79155 (WGS84) |
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Elevation | 1445 |
Relative position | Coordinates should be for S2 of SW4 sec. 9. |
(click for info) |
Country | State | County |
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United States | Nevada | Humboldt |
Meridian | Township | Range | Section | Fraction | State |
---|---|---|---|---|---|
Mount Diablo | 045N | 034E | 09 | S2 of SW | Nevada |
Commodity | Importance |
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Uranium | Primary |
Manganese | Tertiary |
Silver | Tertiary |
Arsenic | Tertiary |
Barium-Barite | Tertiary |
Copper | Tertiary |
Molybdenum | Tertiary |
Fluorine-Fluorite | Tertiary |
Materials | Type of material |
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Carnotite | Ore |
Torbernite | Ore |
Uraninite | Ore |
Fluorite | Gangue |
Galena | Gangue |
Pyrite | Unknown |
Result | TEMP. OF ORE DEPOSITION = 340 DEGREES C - +7 (FLUID INCLUSIONS) A RHYOLITIC FLOW IS ANOMALOUSLY RADIOACTIVE OVER ALARGE AREA AND CONTAINS UP TO 0.02% U3O8. ASSAYS OF ORE RANGED FROM 0.07 TO 0.22% U3O8. BACKGROUND RADIOACTIVITY = 30 CPS. |
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Result | HIGH = 2600 CPS. SELECT SAMPLES CONTAIN UP TO 0.17 % U308 AND 0.39 % EU. THE BRECCIA VEIN AVERAGES 0.04 % U308. ALTERED COUNTRY RO-CK IS ENRICHED WITH CHIP SAMPLES REPRESENTING LARGE VOLUMES OF- ROCK CONTAINING UP TO 77 PPM U308. BACKGROUND RADIOACTIVITY I-N COUNTRY ROCK IS 200-300 CPS (60-90 UR). THE BRECCIA VEIN RAN-GES FROM 4000-20000+CPS (1200-5800+ UR) FOR A DISTANCE OF ABOU-T 450 FT. ALTERED ROCK ADJACENT TO THE VEIN RANGES BETWEEN 500- AND 4000 CPS (150-1200 UR). SAMPLE 2414 FROM U-BEARING FAULT ZONE CONTAINS 10 % FE, 0.1 % MG, 0.15 % CA, 0.5 % TI, +5000 PPM MN, 5 PPM AG, 50-00 PPM AS, 50 PPM B, 2000 PPM BA, 1 PPM BE, 100 PPM C0, 70 PPM- CR, 150 PPM CU, 200 PPM M0, 30 PPM NI, 50 PPM PB, 150 PPM SB,- 30 PPM SC, 200 PPM SR, 100 PPM V, 100 PPM Y,300 PPM ZN, +1000- PPM ZR. |
Model code | 155 |
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USGS model code | 25f |
BC deposit profile | D06 |
Deposit model name | Volcanogenic U |
Host or associated | Associated | ||||||||
---|---|---|---|---|---|---|---|---|---|
Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||||||||
|
Host or associated | Associated |
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Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
Host or associated | Associated |
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Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Latite |
Host or associated | Host |
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Rock type | Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff |
Host or associated | Host |
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Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
(1) | -118.16071, 41.79155 |
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Type | Description | Terms |
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Regional | Rhyolite Dome Along Sw Ring Fracture Zone Of Mc Dermitt Caldera | |
Local | N-Trending Normal Fault (Moonlight Fault). Uraniferous Vein Is Apparently Along A Major Ring Fracture Bounding The Mcdermitt Caldera. This Fracture Can Be -Traced For At Least 4 Miles To The North |
General form | BLANKET |
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Strike | N TO N10E TO N15W |
Dip | 45-60E |
Thickness | 73.15M |
Width | 2.74M |
Length | 137.16M |
Operation type | Surface-Underground |
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Development status | Past Producer |
Commodity type | Both metallic and non-metallic |
Significant | No |
Discovery year | 1955 |
Year of first production | 1955 |
District name | Disaster District; Disaster Peak District |
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District name | Opalite Mining District |
Ownership category | BLM Administrative Area |
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Type | Operator |
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Owner | Anaconda Exploration (Had A Lease On The Property 2-3 Years Ago.) |
Type | Owner |
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Owner | Sweeney And Nachiondo |
First year | 1984 |
Agency | Database name | Acronym | Record ID | Notes |
---|---|---|---|---|
USGS | Mineral Resources Data System | MRDS | M029068 | |
U.S. Bureau of Mines | Minerals Availability System | MAS | 0320130092 | = 10295084, merged and deleted. |
WILLDEN, R., 1964, GEOLOGY AND MINERAL DEPOSITS OF HUMBOLDT CO., NEV; NEV. BUREAU OF MINES BULL. 59, pl. 3.
RYTUBA, J.J., 1976, GEOLOGY AND ORE DEPOSITS OF THE MC DERMITT CALDERA, NEVADA-OREGON; U.S.G.S. OPEN FILE REPORT 76-535.
GARSIDE, L.J., 1973, RADIOACTIVE MINERAL OCCURRENCES IN NEVADA; NEV. BUREAU OF MINES BULL. 81, p. 58.
JONES, R. B., 1984, FIELD EXAMINATION 8-15-84 AND SAMPLE ANALYSIS.
CASTOR, S. B., 1980, FIELD EXAMINATION REPORT OF URANIUM OCCURENCE.
SHARP, B. J., 1955; USAEC REPORT RME-2032, 14 PP.
TAYLOR, A. O., AND POWERS, J. F., 1955; USAEC REPORT TEM-874-A.
RYTUBA, J. J. AND GLANZMAN, R. K., 1978, USGS OFR 78-926.
MINOBRAS: NEV IND MIN (1973) P 20.
RYTUBA, J.J., 1976.
Subject category | Comment text |
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Deposit | Discovery Year: 1950'S ? |
Deposit | IN THE HANGING WALL ABOVE THE MINE IS A SEQUENCE OF BIOTITIC RHYOLITE TO QUARTZ LATITE ASH FLOW TUFFS NEARLY 500 F-T THICK. ABOVE THIS LIES ONE OR MORE PERALKALINE ASH FLOWS COM-PRISING UP TO 700 FT OF SECTION |
Deposit | SEVERAL CARLOADS OF ORE WERE SHIPPED BY PLATORA URANIUM CORPORATION (AT A LOSS). ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV |
Type | Date | Name | Affiliation | Comment |
---|---|---|---|---|
Reporter | 01-JAN-78 | Walker, George W. | Nevada Bureau of Mines and Geology | |
Updater | 01-AUG-85 | La Pointe, D.D. (Tingley, J.V.) | Nevada Bureau of Mines and Geology | |
Editor | 31-OCT-11 | Wilson, Anna B | U.S. Geological Survey | merged and deleted duplicate record 10295084 ((0320130092). |
Reporter | 08-MAR-94 | Robinson | U.S. Bureau of Mines | 0320130092 = 10295084 |