| Deposit ID | 10042430 |
|---|---|
| MRDS ID | M060224 |
| Record type | Site |
| Current site name | J and B Mine |
| Alternate or previous names | NBMG Sample Site 1493 |
| Related records | 10271435 |
| Geographic coordinates: | -118.77432, 40.48267 (WGS84) |
|---|
Political divisions (FIPS codes)
Pershing(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Seven Troughs(quadrangle 1:24,000 scale)
Lovelock(quadrangle 1:100,000 scale)
Lovelock(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Granite Springs Valley(hydrologic unit)
Truckee(hydrologic accounting unit)
Central Lahontan(hydrologic subregion)
Great Basin(hydrologic region)
Federal lands
Bureau of Land Management(Bureau of Land Management NV)
Bureau of Land Management NV BLM(Type of land area)
BLM(Federal land areas administered by BLM)
| Country | State | County |
|---|---|---|
| United States | Nevada | Pershing |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 030N | 029E | 07 | Nevada |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Silver | Ore |
| Calcite | Gangue |
| Pyrite | Gangue |
| Quartz | Gangue |
| Result | SAMPLE 1493 CONTAINS 15 % FE, 1.5 % MG, 5 % CA, +1 % TI, 700 PPM MN, 100 PPM AG, 500 PPM AS, 20 PPM B, 5000 PPM BA, 3 PPM BE, 50 PPM CO, 50 PPM CR, 50 PPM CU, 300 PPM MO, 20 PPM NI, 150 PPM PB, 100 PPM SB, 30 PPM SC, 500 PPM SR, 200 PPM V, 50 PPM Y, 300 PPM ZN, 150 PPM ZR, AND 2.6 PPM AU, BY AA ANALYSIS. |
|---|
| Model code | 150 |
|---|---|
| USGS model code | 25c |
| Deposit model name | Epithermal vein, Comstock |
| Mark3 model number | 16 |
| Host or associated | Associated | ||||
|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite | ||||
| |||||
| Host or associated | Associated |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite |
| Host or associated | Host |
|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt |
| (1) | -118.77432, 40.48267 |
|---|
| General form | TABULAR |
|---|---|
| Strike | N20E |
| Dip | 90 |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Seven Troughs District |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Type | Owner |
|---|---|
| Owner | North Pole Mining And Milling Co. |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M060224 |
JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA; NBMG BULLETIN 89.
TINGLEY, J.V., 7 JUN 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.
JOHNSON, M.G.
| Subject category | Comment text |
|---|---|
| Deposit | LOWER (SW) SHAFT COLLARED IN GREENISH AND PURPLE ANDESITE MUD FLOW. UPPER (NE) SHAFT COLLARED IN THIN-BEDDED RHYOLITE FLOW. A FINE-GRAINED DARK GREENISH-BROWN DIKE FOLLOWS SHEAR ZONE TREND, AND MINERALIZATION MAY OCCUR AT ITS CONTACT WITH FLOW ROCKS. MINOR SILICIFICATION ALONG STRUCTURE. SOME CALCITE VEINING, NO QUARTZ SEEN ALONG ZONE, BUT ROCK IN DUMP HAS PODS AND STRINGERS OF CLEAR QUARTZ WITH DISSEMINATED PYRITE. |
| Deposit | DEVELOPED BY 3 SHAFTS, TUNNEL, TRENCH, 3 CUTS, CROSSCUTS AND DRIFT. ; INFO.SRC : 1 PUB LIT; 3 FIELD OBSERV |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1973 | Johnson, Maureen G. | Nevada Bureau of Mines and Geology | |
| Updater | 01-JAN-1987 | La Pointe, D.D. | Nevada Bureau of Mines and Geology | |
| Updater | 01-SEP-1994 | Li, Zhiping (Peters, S.) | U.S. Geological Survey |
Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.
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