| Deposit ID | 10043992 |
|---|---|
| MRDS ID | M231305 |
| Record type | Site |
| Current site name | Bryan Mine |
| Alternate or previous names | El Dorado |
| Geographic coordinates: | -117.12012, 40.56212 (WGS84) |
|---|---|
| Elevation | 1890 |
| 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)
Reese(hydrologic unit)
Humboldt(hydrologic accounting unit)
Black Rock Desert-Humboldt(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 | Lander |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| Mount Diablo | 031N | 043E | 15 | Nevada |
| Commodity | Importance |
|---|---|
| Gold | Primary |
| Copper | Secondary |
| Silver | Secondary |
| Materials | Type of material |
|---|---|
| Pyrite | Ore |
| Result | ORE AVERAGED $12/TON IN GOLD IN 1880'S 151 SAMPLES AVERAGED $4.39 IN AU & AG IN OXIDIZED ZONE AND $1.30/TON IN SULFIDE ZONE |
|---|
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Clastic Sedimentary Rock > Sandstone | ||
| Rock unit name | Harmony Formation;Scott Canyon Formation | ||
| Rock description | Harmony Formation;Scott Canyon Formation | ||
| |||
| (1) | -117.12012, 40.56212 |
|---|
| Type of structure | Regional |
|---|---|
| Structure description | Scott Canyon And Dewitt Thrust Faults |
| Type of structure | Local |
| Structure description | Ne-And Nw-Trending Faults. Plumas Fault |
| General form | TABULAR |
|---|---|
| Strike | N-S |
| Dip | STEEPLYW |
| Thickness | 3.05M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1880 |
| Year of first production | 1885 |
| District name | Battle Mountain District |
|---|
| Ownership category | Private |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M231305 |
STEWART, J.H., MCKEE, E.H., AND STAGER, H.K., 1977, GEOLOGY AND MINERAL DEPOSITS OF LANDER COUNTY, NEVADA: NBMG BULL. 88.
HILL, J.M., 1915, SOME MINING DISTRICTS IN NE CALIFORNIA AND NW NEVADA: U.S.G.S. BULL. 594
STEWART, MC KEE & STAGER, 1977.
| Subject category | Comment text |
|---|---|
| Deposit | THE BRYAN VEIN WAS DEVELOPED BY SEVERAL TUNNELS AND A SHAFT ON BOTH SIDES OF A SOUTH BRANCH OF DUCK CREEK. ORE WAS MILLED (IN 19880'S) IN A 10-STAMP AMALGAMATING PLANT ON DUCK CREEK, 1/2 MILE NE OF THE SHAFT. THIS MILL HAD BEEN REMOVED PRIOR TO 1912. |
| 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.