| Deposit ID | 10043911 |
|---|---|
| MRDS ID | M231214 |
| Record type | Site |
| Current site name | Chollar Mine |
| Alternate or previous names | Chollar-Potosi |
| Geographic coordinates: | -119.65128, 39.30184 (WGS84) |
|---|---|
| Elevation | 1903 |
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 | 32 | Nevada |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Gold | Primary |
| Copper | Primary |
| Lead | Secondary |
| Zinc Critical | Tertiary |
| Iron | Tertiary |
| Manganese Critical | Tertiary |
| Materials | Type of material |
|---|---|
| Argentite | Ore |
| Chalcopyrite | Ore |
| Galena | Ore |
| Gold | Ore |
| Quartz | Gangue |
| Pyrite | Unknown |
| 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) | -119.65128, 39.30184 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Regional Dip To West And Northwest |
| Type of structure | Local |
| Structure description | Faults |
| General form | TABULAR, V-SHAPED NEAR SURFACE |
|---|---|
| Thickness | 91.44M |
| Length | 365.76M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Large |
| Significant | No |
| Discovery year | 1860 |
| Year of first production | 1866 |
| District name | Comstock Lode |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M231214 |
STODDARD, CARL, AND CARPENTER, J.A., 1950, MINERAL RESOURCES OF STOREY AND LYON COUNTIES, NEVADA: NBMG BULL. 49.
BONHAN, H.F., 1969, GEOLOGY AND MINERAL RESOURCES OF WASHOE AND STOREY COUNTIES, NEVADA: NBMG BULL. 70.
BASTIN, E.S, 1922 BONANZA ORES OF THE COMSTOCK LODE, VIRGINIA CITY, NEVADA USGS BULL 735-C P 41-63
WPA STATE WRITER'S PROJECT, 1940-41; INDIVIDUAL HISTORIES OF THE MINES OF THE COMSTOCK NEV BUREAU OF MINES & GEOL OPEN FILE REPORT.
STODDARD, C. AND CARPENTER, J.A., 1950.
| Subject category | Comment text |
|---|---|
| Deposit | A BONANZA STRIKE SHALLOW RICH DEPOSITS WERE MINED IN THE 1870'S. A DEEP SHAFT WAS SUNK IN THE 1880'S BUT IN GENERAL THE LOWER LEVELS WERE UNPRODUCTIVE. VARIOUS LEASERS EXTRACTED ORE FROM THE OUTEROP AND SHALLOW WORKINGS UNTIL 1923. THE NEAR SURFACE ORE BODIES WERE V-SHAPED. THEY WERE 10 OR 12 PARALLED OR COTERMINOUS BODIES ABOUT 1200 FT LONG AND 300 FT WIDE. THE ORE OCCURS IN THE HANGING WALL, THE FOOTWALL IS COMPOSED OF BARREN QUARTZ. |
| Deposit | VEIN; 10-12 PARALLEL OR COTERMINUS BODIES ABOUT 1200 FT. LONG AND 300 FEET WIDE. ORE OCCURS IN HAGING WALL. |
| 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.
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