| Deposit ID | 10042561 |
|---|---|
| MRDS ID | M060388 |
| Record type | Site |
| Current site name | Pacific Matchless Mine |
| Related records | 10271260 |
| Geographic coordinates: | -118.12041, 40.28684 (WGS84) |
|---|---|
| Elevation | 1829 |
| Relative position | IN UPPER SOUTH AMERICAN CANYON |
Political divisions (FIPS codes)
Pershing(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Fitting(quadrangle 1:24,000 scale)
Lovelock(quadrangle 1:100,000 scale)
Lovelock(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Dixie Valley(hydrologic unit)
Central Nevada Desert Basins(hydrologic accounting unit)
Central Nevada Desert Basins(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 | 034E | 14 | Nevada |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Lead | Primary |
| Materials | Type of material |
|---|---|
| Chalcopyrite | Ore |
| Galena | Ore |
| Pyrite | Ore |
| Barite | Gangue |
| Quartz | Gangue |
| Sphalerite | Gangue |
| Tourmaline | Gangue |
| Model code | 273 |
|---|---|
| USGS model code | 36a |
| Deposit model name | Low-sulfide Au-quartz vein |
| Mark3 model number | 27 |
| Host or associated | Associated | ||
|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt | ||
| |||
| Host or associated | Host |
|---|---|
| Rock type | Plutonic Rock > Granitoid > Granite |
| (1) | -118.12041, 40.28684 |
|---|
| Type of structure | Local |
|---|---|
| Structure description | Shear Zone (North Trending) |
| Development status | Occurrence |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| District name | Spring Valley District |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M060388 |
VIKRE, P.G., 1978, GEOLOGY AND SILVER MINERALIZATION OF THE ROCHESTER DISTRIC PERSHING COUNTY, NEVADA; PH.D THESIS STANFORD UNIV.
BONHAM AND SHARP, 1957, GEOGY AND MINERAL RESOURCES OF T28N, R 34 AND 33 E, MT. DIABLO BASE AND MERIDIAN, PING COUNTY, NEVADA; SOUTHERN PACIFIC LAND CO. REPORT; SAN FRANCISCO.
JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA; NBMG BULL. 89
KNOPF, 1924, ROCHESTER DISTRICT, NEVADA; USGS BULL. 762; P. 55
NBMG STAFF, 1985, NBMG OFR 85-3.
| Subject category | Comment text |
|---|---|
| Deposit | LARGE CUBES OF PYRITE OCCUR IN BOTH QUARTZ-TOURMALINE VEINS AND WALL ROCKS. BASALT FEEDER DIKES, YOUNGER THAN THE MINERALIZATION, WERE FOUND LESS THAN 5 CM THICK IN DRIFTS OF THE LOWER ADIT. PROBABLY RELATED TO THE LATE TERTIARY BASALT FLOWS CAPPING LIMESTONE RIDGES IN EASTERN PART OF THE DISTRICT. |
| Deposit | TWO ADITS EXPLORE THE MINERALIZED SHEAR ZONE WITH SOME STOPING AND DRIFTING AT THE END OF EACH ADIT. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-AUG-1973 | Johnson, Maureen G. | Nevada Bureau of Mines and Geology | |
| Updater | 01-MAY-1986 | La Pointe, D.D. (Tingley, J.V.) | 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.