| Deposit ID | 10046022 |
|---|---|
| MRDS ID | M233929 |
| Record type | Site |
| Current site name | Darkey Mine |
| Alternate or previous names | Darky Mine Black Rock |
| Geographic coordinates: | -114.33865, 40.67881 (WGS84) |
|---|---|
| Relative position | LOWER W SLOPES OF TUANO RANGE |
Political divisions (FIPS codes)
Elko(county)
Nevada(state)
United States(country)
North America(continent)
Land(continent)
USGS map quadrangles
Morgan Pass(quadrangle 1:24,000 scale)
Wendover(quadrangle 1:100,000 scale)
Elko(quadrangle 1:250,000 scale)
Hydrologic units (watersheds)
Spring-Steptoe Valleys(hydrologic unit)
Central Nevada Desert Basins(hydrologic accounting unit)
Central Nevada Desert Basins(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 | Elko |
| Meridian | Township | Range | Section | Fraction | State |
|---|---|---|---|---|---|
| 032N | 068E | 06 | Nevada |
| Commodity | Importance |
|---|---|
| Manganese Critical | Primary |
| Materials | Type of material |
|---|---|
| Psilomelane | Ore |
| Pyrolusite | Ore |
| Wad | Ore |
| Calcite | Gangue |
| Limonite | Gangue |
| Quartz | Gangue |
| Model code | 74 |
|---|---|
| USGS model code | 19b |
| Deposit model name | Replacement Mn |
| Host or associated | Host | ||
|---|---|---|---|
| Rock type | Sedimentary Rock > Carbonate > Limestone | ||
| |||
| (1) | -114.33865, 40.67881 |
|---|
| General form | TABULAR |
|---|---|
| Thickness | 18.29M |
| Length | 7.62M |
| Width | 0.2M |
| Development status | Past Producer |
|---|---|
| Commodity type | Metallic |
| Deposit size | Small |
| Significant | No |
| Discovery year | 1917 |
| Year of first production | 1917 |
| District name | Decoy |
|---|
| Agency | Database name | Acronym | Record ID | Notes |
|---|---|---|---|---|
| USGS | Mineral Resources Data System | MRDS | M233929 |
SMITH, ROSCOE M., MINERAL RESOURCES OF ELKO COUNTY, NEVADA, USGS OPEN FILE REPORT, 1975-56
GRANGER, ET ALL, (1957), GEOLOGY AND MINERAL RESOURCES OF ELKO COUNTY, NEVADA, NBM BUL. 54.
SMITH, R.M. (1976) P. 48-9
| Subject category | Comment text |
|---|---|
| Deposit | VEIN-REPLACEMENTS ALONG FAULT. 25 X 8 X 60 FT DEEP; 0 X 7 X 60 FT. DEEP |
| Deposit | THE DARKEY MINE SHIPPED MANGANESE ORE DURING 1917 AND 1918. THE MANGANESE ORE BODIES OCCUR AS VEIN-REPLACEMENTS ALONG A N-STRIKING FAULT. THE ORE SHOOT MINED WAS 25 FT LONG, 8 FT WIDE, BY 60 FT DEEP. THE ORE SHIPPED WAS ABOUT 45% MANGANESE, AND LESS THAN 5% CILICA. A SECOND ORE SHOOT WAS 20 FT LONG, 7 FT WIDE, AND 60 FT DEEP. THE BLACK ROCK (PROBABLY SOME MINE, NEW NAME) SHIPPED A SMALL TONNAGE OF MANGANESE ORE IN 1952. ; INFO.SRC : 1 PUB LIT |
| Type | Date | Name | Affiliation | Comment |
|---|---|---|---|---|
| Reporter | 01-JUL-1979 | Tingley, J.V. | 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.