| Lat / long: | 38.94713, -119.27765 |
| Primary: | Copper |
| Secondary: | Silver |
| Tertiary: | Gypsum-Anhydrite, Gold |
| Ore: | Chalcocite, Chalcopyrite, Chrysocolla, Covellite |
| Gangue: | Garnet |
| Orebody form: | LENS, LARGE SKARN |
| Operation type: | Unknown |
| Production size: | Medium |
| Development status: | Past Producer |
| Production years: | 1916-1919 |
| Host rock: | Rhyolite To Dacite Volcanics;Qtz. Monzonite Porphyry |
| Host type: | Limestone |
| Associated rock: | Yerington Batholith;Yerington Batholith |
| Associated type: | Rhyolite |
| Structure: | Yerington Batholith, Fault Trending N 50 E Dipping 70 Nw |
| Tectonic: | Complex Basin And Range Faulting |
| Alteration processes: | Oxidation, Albitic, Sericitic, Propylitic, Weak Potassic |
| MRDS | M035872 |
| DEP | 10037696 |
| Reference | {Deposit:: KNOPF, A., 1918 , GEOLOGY AND ORE DEPOSITS OF THE YERINGTON DISTRICT, NEV., USGS PROF. PAPER 114 .}{Deposit:: EINAUDI, M. T., 1977, PETROGENISIS OF THE COPPER - BEARING SKARN AT THE MASON VALLEY MINE, YERINGTON DIST., NEV., ECON GEOL. VOL. 72 , NO. 5 .}{Deposit:: MORRE,J.S.,1969, GEOLOGY AND MINERAL DEPOSITS OF LYON, DOUGLAS, AND ORMSBY COUNTIES, NEVADA; NBMG BULL 75.}{Deposit:: TELLURIDE CLAIMS,YERINGTON MINING DISTRICT,LYON COUNTY, QUADE VISIT SITE 7-11-89,NBMG UNPUBLISHED MINING DISTRICT FILES (TINGLEY FILES).} |
| Reporter | Fiebelkorn, J. B. (Stewart, J. H.), Marcus, S. (Doebrich, J.) |