Deposit ID | 10045081 |
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MRDS ID | M232740 |
Record type | Site |
Current site name | Kirby Mine |
Alternate or previous names | Fayant and Blaine, Upper Kirby Pit, NBMG Sample Site 2614. |
Geographic coordinates: | -117.2704, 41.17378 (WGS84) |
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Elevation | 1920 |
Relative position | 40 MILES NE OF WINNEMUCCA |
(click for info) |
Country | State | County |
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United States | Nevada | Humboldt |
Meridian | Township | Range | Section | Fraction | State |
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Mount Diablo | 038N | 042E | 17 | Nevada |
Commodity | Importance |
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Tungsten | Primary |
Copper | Tertiary |
Manganese | Tertiary |
Materials | Type of material |
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Scheelite | Ore |
Garnet | Gangue |
Pyroxene | Gangue |
Result | 0.43% WO3. NBMG SAMPLE 2614 OF GARNET SKARN WITH MINOR CU OX STAIN, SUBHEDRAL AMBER GARNET, DIOPSIDE, TREMOLITE AND SCHEEL-ITE CONTAINS 15 % FE, 1 % MG, +20 % CA, 0.07 % TI, +5000 PPM M-N, 20 PPM B, 5 PPM CO, 100 PPM CU, 100 PPM MO, 5 PPM NI, 50 PP-M PB, 30 PPM SN, 500 PPM V, 200 PPM W. |
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Model code | 42 |
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USGS model code | 14a |
Deposit model name | W skarn |
Host or associated | Associated | ||||||
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Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite | ||||||
Rock unit name | Osgood Mtns. Stock | ||||||
Rock description | Osgood Mtns. Stock | ||||||
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Host or associated | Host |
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Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale |
Host or associated | Host |
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Rock type | Sedimentary Rock > Carbonate > Limestone |
Rock unit name | Preble Formation;Preble Formation |
Rock description | Preble Formation;Preble Formation |
(1) | -117.2704, 41.17378 |
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Type of structure | Regional |
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Structure description | Folding |
General form | IRREGULAR LENSES FOLLOW IGNEOUS CONTACT |
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Strike | N50E |
Dip | SE |
Development status | Past Producer |
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Commodity type | Metallic |
Deposit size | Medium |
Significant | No |
Discovery year | <1917 |
Discoverer | Fayant And Blaine (Claim Holders In 1917) |
Year of first production | 1942 |
District name | Potosi District |
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Ownership category | BLM Administrative Area |
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Type | Owner-Operator |
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Owner | Getchell Mine Inc. |
Year | 1943 | ||||||||||||||
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Period | 1942-1943 | ||||||||||||||
Material | ORE | ||||||||||||||
Accuracy | Accurate | ||||||||||||||
Description | Cp_Grade: ^Ave. 0.43% Wo3 | ||||||||||||||
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Year | 1943 | ||||||||||||||
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Period | 1942-1943 | ||||||||||||||
Material | W | ||||||||||||||
Accuracy | Accurate | ||||||||||||||
Description | Cp_Grade: ^Ave. 0.43% Wo3 | ||||||||||||||
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Agency | Database name | Acronym | Record ID | Notes |
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USGS | Mineral Resources Data System | MRDS | M232740 |
WILLDEN, R., 1964, GEOLOGY AND MINERAL DEPOSITS OF HUMBOLDT CO., NEV.; NEV. BUREAU OF MINES BULL. 59
HOTZ, P.E. AND WILLDEN, R, 1964, GEOLOGY AND MINERAL DEPOSITS OF THE OSGOOD MOUNTAINS QUADRANGLE HUMBOLDT COUNTY, NEVADA; U.S.G.S. PROF. PAPER 431.
HOBBS, S.W., AND CLABAUGH, S.E., 1946, TUNGSTEN DEPOSITS OF THE OSGOOD RANGE, HUMBOLDT CO., NEV; NEV. U. BULL. VOL. 40, NO 5F GEOL. MIN. SER., NO. 44.
HESS, F.L. & LARSEN, E.S., 1921, CONTACT-METAMORPHIC TUNGSTEN DEPOSITS OF THE UNITED STATES: U.S.G.S. BULL. 725-D.
STAGER, H. K., IN PREPARATION, NBMG BULLETIN ON TUNGSTEN DEPOSITS OF NEVADA.
TINGLEY, J. V., 6 SEP 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.
NBMG STAFF, 1985, NBMG OFR 85-3.
NBMG MINING DISTRICT FILE 136, ITEM 23; 1964, USBM UNPUBLISHED DATA.
HOTZ, AND WILLDEN, R., 1964.
Subject category | Comment text |
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Deposit | PROPERTY WAS KNOWN AS EARLY AS 1917; WAS ACQUIRED BY GETCHELL IN 1942 AND MINED TILL SUMMER, 1943. MINING RESUMED IN 1952 AND CONTINUED UNTIL 1953, BY OPEN-PIT METHODS. FAYANI AND BLAINE HELD THE CLAIMS IN 1917, THEY WERE RELOCATED LATER BY KIRBY, AND SOLD TO GETCHELL MINE INC., IN 1942. WORKINGS CONSISTED OF 3 OPEN PITS IN 1957, AS WELL AS SHORT AIDITS AND TRENCHES. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV |
Deposit | KIRBY OREBODY IS A TABULAR MASS OF TACTITE ON CONTACT OF OSGOOD GRANODIORITE AND PREBLE LIMESTONE. TACTITE BODY NE-ARLY PARALLELS THE HILLSLOPE, CAPPED BY A THIN LIMESTONE LAYER-. OUTCROPS ARE BROAD, BUT TACTITE IS ACTUALLY THIN, LESS THAN -60 FT BELOW SURFACE. LIMESTONE IS COMPLEXLY FOLDED AND TACTITE-PODS ARE VERY IRREGULAR LARGE MASSES OF ENDOSKARN FORMED IN GR-ANODIORITE, WITH SOME CU OXIDE STAINING. THE DEPOSIT ENDS DOWN-WARD TO THE EAST AGAINST A LOBE OF GRANODIORITE THAT CUTS ACRO-SS THE LIMESTONE BEDS. THE HAULAGE ADIT, 80 FT BENEATH THE LOW-EST OUTCROP, IS ENTIRELY IN GRANODIORITE. OTHER BODIES OF SCHE-ELITE-BEARING TACTITE OCCUR NE OF THE MINE WHERE THE CREEK CRO-SSES THE CONTACT ZONE, BUT THE TUNGSTEN CONTENT IS ONLY ABOUT -0.2 % WO3. ROCK AT THE LOWER KIRBY PIT (NEAR CREEK) DISPLAY SW-IRLS OF BIOTITE BOOKS NEAR CONTACT. |
Type | Date | Name | Affiliation | Comment |
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Reporter | 01-MAR-1986 | La Pointe, D.D. (Tingley, J.V.) | Nevada Bureau of Mines and Geology |