| Deposit ID | 10043943 |
|---|---|
| MRDS ID | M231252 |
| Record type | Site |
| Current site name | Union Mine |
| Geographic coordinates: | -119.63933, 39.31657 (WGS84) |
|---|---|
| Elevation | 1817 |
Political divisions (FIPS codes)
Storey(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Virginia City(quadrangle 1:24,000 scale)
Carson City(quadrangle 1:100,000 scale)
Reno(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Middle Carson(hydrologic unit)
Carson(hydrologic accounting unit)
Central Lahontan(hydrologic subregion)
Great Basin(hydrologic region)
| Country | State | County |
|---|---|---|
| United States | Nevada | Storey |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 017N | 021E | 28 | Nevada |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Gold | Primary |
| Lead | Secondary |
| Copper | Secondary |
| Zinc Critical | Tertiary |
| Iron | Tertiary |
| Materials | Type of material |
|---|---|
| Argentite | Ore |
| Chalcopyrite | Ore |
| Galena | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| Quartz | Gangue |
| Model code | 150 |
|---|---|
| USGS model code | 25c |
| Deposit model name | Epithermal vein, Comstock |
| Mark3 model number | 16 |
| Host or associated | Host | ||||||
|---|---|---|---|---|---|---|---|
| Rock type | Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite | ||||||
| Rock unit name | Alta Andesite | ||||||
| Rock description | Alta Andesite | ||||||
| |||||||
| (1) | -119.63933, 39.31657 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Regional Dip To West And Northwest |
| Type of structure | Local |
| Structure description | Faults |
| General form | TABULAR |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Medium |
| Significant | No |
| Discovery year | 1879 |
| Year of first production | 1879 |
| District name | Comstock Lode |
|---|
| Ownership category | Private |
|---|
| Type of workings | Underground |
|---|---|
| Overall depth | 762M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M231252 |
STODDARD, CARL, AND CARPENTER, J.A., 1950, MINERAL RESOURCES OF STOREY AND LYON COUNTIES, NEVADA NBMG BULL 49
BONHAM, H.F., 1969, GEOLOGY AND MINERAL DEPOSITS OF WASHOE AND STOREY COUNTIES, NEVADA: NBMG BULL 78
BASTIN, E.S., 1922, BONANZA ORES OF THE COMSTOCK LODE, VIRGINIA CITY, NEV; USGS. BULL 735-C
WPA STATE WRITER'S PROJECT, 1940-41, INDIVIDUAL HISTORIES OF THE MINES OF THE COMSTOCK; UNPUBLISHED OPEN-FILE REPORT; NEV. BUREAU OF MINES AND GEOL.
STODDARD, C., AND CARPENTER, J.A., 1950
| Subject category | Comment text |
|---|---|
| Deposit | THIS MINE PRODUCED CONSIDERABLE ORE FROM THE MAIN COMSTOCK VEIN AT THE 2100-FT LEVEL. AT THE 2500-FT LEVEL, SEGMENTS OF THE EAST VEIN WERE DISCOVERED; THERE SEGMENTS, CUT BY FAULTS, CONTAINED MINABLE ORE BODIES. ; INFO.SRC : 1 PUB LIT |
| Deposit | VEIN, FAULT ZONE |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-SEP-1980 | Flynn, Patricia Dodd | Nevada Bureau of Mines and Geology |
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.