| Deposit ID | 10043986 |
|---|---|
| MRDS ID | M231299 |
| Record type | Site |
| Current site name | Big Four Mine |
| Alternate or previous names | Annex Mine |
| Geographic coordinates: | -117.11372, 40.54129 (WGS84) |
|---|---|
| Elevation | 2012 |
| Relative position | 12 MILES SW OF TOWN OF BATTLE MOUNTAIN |
Political divisions (FIPS codes)
Lander(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Galena Canyon(quadrangle 1:24,000 scale)
Winnemucca(quadrangle 1:100,000 scale)
Winnemucca(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)
| Country | State | County |
|---|---|---|
| United States | Nevada | Lander |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 031N | 043E | 22 | Nevada |
| Commodity | Importance |
|---|---|
| Silver | Primary |
| Gold | Secondary |
| Lead | Secondary |
| Materials | Type of material |
|---|---|
| Galena | Ore |
| Result | 1937 ORE AVERAGED 0.43 OZ. AU & 74 OZ AG. PER TON. |
|---|
| Host or associated | Associated | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Rock type | Plutonic Rock > Granitoid > Quartz Monzonite | ||||||||
| |||||||||
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone |
| Rock unit name | Harmony Formation |
| Rock description | Harmony Formation |
| Host or associated | Host |
|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone |
| (1) | -117.11372, 40.54129 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Dewitt Thrust Fault |
| Type of structure | Local |
| Structure description | N-Trending Fault |
| General form | TABULAR |
|---|---|
| Strike | N |
| Dip | STEEPLY W |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1935 |
| Discoverer | F. Chaghon And W. And D. Mac Donald, And V. C. Clark |
| District name | Battle Mountain District |
|---|
| Ownership category | BLM Administrative Area |
|---|
| Type | Operator |
|---|---|
| Owner | H. B. Chessher (Optioned In |
| Last year | 1954 |
| Type | Owner |
|---|---|
| Owner | Swackhamer, O. E., And Family |
| First year | 1930 |
| Last year | 1965 |
| Type of workings | Surface/Underground |
|---|---|
| Overall depth | 16.76M |
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M231299 |
STEWART, J. H., MCKEE, E. H. AND STAGER, H. K., 1977, GEOLOGY AND MINERAL DEPOSITS OF LANDER COUNTY, NEVADA: NBMG BULL. 88.
ROBERTS, R. J. AND ARNOLD, D.C., 1965
| Subject category | Comment text |
|---|---|
| Deposit | THE FOUR UNPATENTED CLAIMS WERE FIRST LOCATED BY F. CHAGNON AND W. AND D. MAC DONALD AND V. C. CLARK. THE PROPERTY WAS PURCHASED BY O. E. SWACKHAMER IN THE EARLY 1930'S AND REMAINED IN HIS FAMILY THROUGH 1965. IN 1954 THE CLAIMS WERE OPTIONED TO H. B. CHESSHER. THE WORKINGS CONSIST OF A 55-FOOT SHAFT, A SHORT ADIT AND SEVERAL OPEN CUTS. ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-DEC-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.