| Deposit ID | 10037332 |
|---|---|
| MRDS ID | M032007 |
| Record type | Site |
| Current site name | Ely Valley Mines |
| Alternate or previous names | NBMG Sample Sites 1429 and 1430 |
| Related records | 10174138 |
| Geographic coordinates: | -114.49306, 37.9469 (WGS84) |
|---|---|
| Elevation | 1890 |
| Relative position | 2 MILES NW OF PIOCHE |
Political divisions (FIPS codes)
Lincoln(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Pioche(quadrangle 1:24,000 scale)
Caliente(quadrangle 1:100,000 scale)
Caliente(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Meadow Valley Wash(hydrologic unit)
Lower Colorado-Lake Mead(hydrologic accounting unit)
Lower Colorado-Lake Mead(hydrologic subregion)
Lower Colorado(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Nevada | Lincoln |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 01N | 67E | 17 | Nevada |
| Commodity | Importance |
|---|---|
| Zinc Critical | Primary |
| Manganese Critical | Primary |
| Silver | Secondary |
| Gold | Secondary |
| Lead | Secondary |
| Copper | Secondary |
| Tungsten Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Chrysocolla | Ore |
| Galena | Ore |
| Sphalerite | Ore |
| Hematite | Gangue |
| Limonite | Gangue |
| Muscovite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Result | ORE CONTAINED ABOUT 1 % PB AND 10 % ZN, ANOTHER ASSAY YIELDED 0.325 OZ/T AU, 3.05 OZ/T AG, 9 % PB (1922). SAMPLES 1429 AND 1430 CONTAIN, RESPECTIVELY, 100 AND GREATER THAN 5000 PPM MN, 5 AND 10 PPM AG, 500 AND 700 PPM AS, 50 AND 0 PPM BI, 100 AND 200 PPM CD, 200 PPM CU, 500 AND 20000 PPM PB, 0 AND 500 PPM W, 5000 AND 10000 PPM ZN, 100 AND 0 PPM ZR. |
|---|
| Model code | 72 |
|---|---|
| USGS model code | 19a |
| Deposit model name | Polymetallic replacement |
| Mark3 model number | 47 |
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Metamorphic Rock > Metasedimentary Rock > Quartzite | ||
| Rock unit name | Prospect Mountain Quartzite | ||
| Rock description | Prospect Mountain Quartzite | ||
| |||
| Host or associated | Associated |
|---|---|
| Rock type | Plutonic Rock |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Shale |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| Rock unit name | Lyndon Limestone;Pioche Shale |
| Rock description | Lyndon Limestone;Pioche Shale |
| (1) | -114.49306, 37.9469 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Faulting |
| Type of structure | Regional |
| Structure description | Ne Trending Normal Frontal Faults On The Pioche Hills Each Flank Of |
| Strike | N 75 W |
|---|---|
| Dip | VERTICLE |
| Thickness | 15.24M |
| Length | 426.72M |
| Width | 121.92M |
| Development status | Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| District name | Pioche District |
|---|
| Ownership category | Private |
|---|
| Type | Owner |
|---|---|
| Owner | Pioche Mines Co. |
| First year | 1932 |
| Type of workings | Underground |
|---|---|
| Length | 156.97M |
| Overall depth | 130.45M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M032007 |
TSCHANZ, C.M., AND PAMPEYAN, E.H., 1970, GEOLOGY AND MINERAL DEPOSITS OF LINCOLN CO. NEVADA. NEVADA BUR. OF MINES, BULL 73 P
WESTGATE, L.G. AND KNOPF, A., 1932, GEOLOGY AND ORE DEPOSITS OF THE PIOCHE DISTRICT, NEVADA. USGS PROF. PAPER 171 P
HILL, J.M., 1916, NOTES ON SOME MINING DISTRICTS IN EASTERN NEVADA USGS BULL 648 P.
COUCH, B.F., CARPENTER, J.A., 1943, NEVADA'S METAL AND MINERAL PRODUCTION (1859-1940, INCLUSIVE) UNIV. OF NEVADA BULL 38, P. 85 89
SHAW, S. F., 1909, ENG AND MIN JOUR, P.545-548.
SMITH, P. AND BENTZ, J., 1983, FIELD EXAMINATION REPORT, AUG 24,1983.
WEED, W. H., ED., 1922, THE MINES HANDBOOK, VOL XV, P. 1328.
USBM, 1983, MILS DATA
TSCHANZ & PAMPEYAN, 1970
| Subject category | Comment text |
|---|---|
| Deposit | DUMP ROCK HEAVILY FE-MN STAINED AND COMPOSED OF SILICIFIED LIMESTONE AND SHALE WITH CRYSTALLINE PYRITE REPLACING LIMESTONE AND CEMENTING FAULT BRECCIA. INTERGROWN CRYSTALLINE CALCITE AND QUARTZ ALSO CEMENT BRECCIA. JAROSITE CRYSTALS COAT FRACTURE SURFACES. NBMG SAMPLES 1429 AND 1430 TAKEN OF MANGANOSIDERITE GANGUE AND OF UNOXIDIZED PYRITIZED QUARTZITE/PYRITE-QUARTZ VEIN MATERIAL. ABUNDANT WAD AND PYROLUSITE OCCUR WITH ORE; SOME ORE IS MAGNETIC. OXIDIZED MATERIAL OCCURS WITH ABOUT 15 % MN AND $5/TON IN AG AND AU (1970) REPLACING HIGHER LIMESTONE BEDS IN THE PIOCHE SHALE AND THE LYNDON LIMESTONE. THE ORE OCCURS IN A BLOCK BETWEEN TWO PARALLEL FAULTS. FAVORABLE GROUND CONTAINING THE OFFSET PORTION OF THE OREBODY IN THE HANGING WALL OF THE FRONTAL FAULT HAD NOT YET BEEN ADEQUATELY EXPLORED IN 1970. ORE CONSISTED OF A POROUS, CAVERNOUS MASS OF SILICEOUS MANGANIFEROUS LIMONITIC ORE FORMED BY REPLACEMENT OF BRECCIATED LIMESTONE. VEIN IS QUARTZOSE ON THE 200-FT LEVEL CONSISTING LARGELY OF |
| Deposit | MILK-WHITE QUARTZ. AFTER PASSING INTO THE UNDERLYING PIOCHE SHALE,35 FT ABOVE THE 300 FT LEVEL, IT PINCHES TO A FEW INCHES IN THICKNESS, THOUGH STILL QUARTZOSE. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-OCT-1979 | Harner, Joy L. (Roberts, Ralph J.) | U.S. Geological Survey | |
| Updater | 01-DEC-1984 | La Pointe, D.D. (Tingley, J.V.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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