| Lat / long: | 40.2199, -117.44706 |
| Primary: | Manganese |
| Ore: | Psilomelane, Wad |
| Orebody form: | LENTICULAR |
| Discovery year: | 1934 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| Host rock: | Pumpernickel Formation |
| Host type: | Quartzite,Greenstone,Shale,Chert |
| MRDS | M060518 |
| DEP | 10042647 |
| Reference | {Deposit:: JOHNSON, M.G., 1977, GEOLOGY AND MINERAL DEPOSITS OF PERSHING COUNTY, NEVADA; NBMG BULL. 89}{Deposit:: TRENGROVE, 1959, RECONNAISSANCE OF NEVADA MANGANESE DEPOSITS; USBM REPT. INV. 5446}{Deposit:: NEEDHAM & TRENGROVE, 1950, INVESTIGATION OF BLACK DIABLO, BLACK EAGLE, & BLACK ROCK MANGANESE DEPOSITS, PERSHING & LANDER COUNTIES, NEV.; USMB REPT. INV. 4713}{Production:: JOHNSON, M.G., 1977.} |
| Reporter | Harner, Joy L. (Roberts, Ralph J.), Kirkham, Richard A. |