| Deposit ID | 10044909 |
|---|---|
| MRDS ID | M232541 |
| Record type | Site |
| Current site name | Mazuma Mine |
| Alternate or previous names | NBMG Sample Site 2830 |
| Geographic coordinates: | -118.48765, 40.32017 (WGS84) |
|---|---|
| Elevation | 1463 |
Political divisions (FIPS codes)
Pershing(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Arabia(quadrangle 1:24,000 scale)
Lovelock(quadrangle 1:100,000 scale)
Lovelock(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Lower Humboldt(hydrologic unit)
Humboldt(hydrologic accounting unit)
Black Rock Desert-Humboldt(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 | 028N | 031E | 03 | Nevada |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Silver | Primary |
| Materials | Type of material |
|---|---|
| Gold | Ore |
| Silver | Ore |
| Quartz | Gangue |
| Result | SAMPLE 2830 CONTAINS 3 % FE, 1 % MG, 2 % CA, 0.2 % TI, 300 PPM MN, 30 PPM AG, 500 PPM AS, 1000 PPM B, 200 PPM BA, 1.5 PPM BE, 20 PPM CR, 50 PPM CU, 7 PPM MO, 10 PPM NI, 50 PPM PB, 7 PPM SC, 150 PPM SR, 150 PPM V, 10 PPM Y, 150 PPM ZR, AND 0.4 PPM AU, BY AA ANALYSIS. |
|---|
| Model code | 119 |
|---|---|
| USGS model code | 39a |
| Deposit model name | Placer Au-PGE |
| Mark3 model number | 54 |
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Metamorphic Rock > Hornfels | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Mafic Intrusive Rock > Diorite |
| (1) | -118.48765, 40.32017 |
|---|
| General form | PINCH-AND-SWELL, PODS |
|---|---|
| Strike | N75E |
| Dip | 65S |
| Thickness | 3.05M |
| Length | 3.05M |
| Width | 1.22M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Trinity District |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M232541 |
JOHNSON, M. G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA; NBMG BULLETIN 89.
QUADE, JACK, 8 SEP 84, NBMG OFR 85-3.
| Subject category | Comment text |
|---|---|
| Deposit | LOCATED ALONG SOUTHEASTERN MARGIN OF A LARGE GRANODIORITE STOCK ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT; 3 FIELD OBSERV |
| Deposit | WORKINGS ALONG A SHEAR TRENDING N40-50E AND DIPPING 50-70NW. IRON OXIDE ALTERATION, SOME BRECCIATION. MINERALIZATION IS IN WISPY STREAKS IN THE QUARTZ AND EXTENDS INTO THE GRANODIORITE. ANDESITE OR MAFIC DIKES OCCUR NEARBY, EAST OF THE MAIN WORKINGS. SAMPLE 2830 IS OF BRECCIA AND QUARTZ VEIN MATERIAL WITH SULFIDES. |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-FEB-1981 | Royse, Sue E. | Nevada Bureau of Mines and Geology | |
| Updater | 01-MAR-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.
These are landing pages for further research — the state agencies don't currently expose per-mine deep links.