| Deposit ID | 10103936 |
|---|---|
| MRDS ID | M231240 |
| Record type | Site |
| Current site name | Ophir Claim |
| Geographic coordinates: | -119.64628, 39.31407 (WGS84) |
|---|---|
| Elevation | 1853 |
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 | 29 | Nevada |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Gold | Primary |
| Lead | Tertiary |
| Zinc Critical | Tertiary |
| Copper | Tertiary |
| Iron | Tertiary |
| Materials | Type of material |
|---|---|
| Argentite | Ore |
| Chalcopyrite | Ore |
| Galena | Ore |
| Pyrite | Ore |
| Sphalerite | Ore |
| 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) | -119.64628, 39.31407 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | North-Trending Anticline; Regional Dip To West Or Northwest |
| Type of structure | Local |
| Structure description | Faults |
| General form | TABULAR |
|---|
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Large |
| Significant | No |
| Discovery year | 1859 |
| Year of first production | 1859 |
| 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 | M231240 |
STODDARD, CARL, AND CARPENTER, J.A., 1950, MINERAL RESOURCES OF STOREY AND LYON COUNTIES, NEVADA: NBMG BULL 49.
BONHAM, H.J., 1969, GEOLOGY AND MINERAL DEPOSITS OF WASHOE AND STOREY COUNTIES, NEVADA:NBMG BULL 70
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 & GEOL.
STODDARD, C. AND CARPENTER, J.A., 1950.
| Subject category | Comment text |
|---|---|
| Deposit | THIS DEPOSIT IS FOUND ON THE COMSTOCK VEIN PROPER, AND CONSISTS FO SILVER SULFIDE ORE WITH A SUBSTANTIAL GOLD CONTENT. THE DEPOSIT IS PART OF THE COMSTOCK LODE, EPITHERMAL PRECIOUS-METAL VEINS GENERALLY FOUND IN THE ALTA ANDESITE. THE MINE IS 2500 FEET DEEP AND EXPLORES THE COMSTOCK VEIN, OUTLIERS OF THE CONSOLIDATED VIRGINIA BONANZA, AND THE HARDY VEIN. SPORADIC PRODUCTION FROM 1859 TO 1873, BUT WELLOVER 40,000 TONS ORE AT FROM $8 PER TON TO $2500. PER TON PRODUCTION FROM 1874 TO 1925 WAS 439,137 TONS ORE AVERAGING $41.16 PER TON IN MOSTLY SILVER VALUES. ; INFO.SRC : 1 PUB LIT |
| Deposit | VEIN, COMSTOCK FAULT |
| 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.