| Lat / long: | 41.20822, -117.28485 |
| Primary: | Tungsten |
| Tertiary: | Iron, Copper, Manganese |
| Ore: | Pyrite, Scheelite |
| Gangue: | Garnet, Nontronite, Quartz, Tremolite |
| Orebody form: | IRREGULAR CONTACT ZONE |
| Discovery year: | 1951 |
| Operation type: | Unknown |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1951 |
| Host rock: | Preble Formation |
| Host type: | Diorite,Limestone |
| Associated rock: | Osgood Mtns. Stock |
| Associated type: | Diorite |
| Structure: | Closely Spaced Joints Trend N10e, Dip 28w |
| Alteration processes: | Nontronite-Alteration Of Garnet; Mica, Chlorite Altered Zones In Both Hornfels And Granodiorite, Associated With Joint Set: Apatite, Scheelite, Chlorite, Silicification, White Mica, Goethite, Limonite. |
| MRDS | M232743 |
| DEP | 10045084 |
| Reference | {Deposit:: WILLDEN, R., 1964, GEOLOGY AND MINERAL DEPOSITS OF HUMBOLDT CO. NEV.; NEV. BUREAU OF MINES BULL. 59.}{Deposit:: HOTZ, P.E., AND WILLDEN, R., 1964, GEOLOGY AND MINERAL DEPOSITS OF THE OSGOOD MTNS. QUADRANGLE HUMBOLDT CO., NEV.; U.S.G.S. PROF PAPER 431.}{Deposit:: HOBBS, S.W., CLABAOUGH, S.E., 1946, TUNGSTEN DEPOSITS OF THE OSGOOD RANGE, HUMBOLDT CO, NEV., UNIV NEV. BULL 40, NO. 5; GEOL. & MIN. SER. NO. 44.}{Deposit:: TINGLEY, J. V., 6 SEP 84, NBMG FIELD EXAMINATION AND SAMPLE ANALYSIS.}{Deposit:: NBMG STAFF, 1985,NBMG OFR 85-3}{Deposit:: STAGER, H. K., IN PREPARATION, 1986, NBMG BULL ON TUNGSTEN DEPOSITS OF NEVADA.}{Production:: HOTZ, P.E. AND WILLDEN, R., 1964; STAGER, IN PREP.; TINGLEY, 1984.} |
| Reporter | La Pointe, D.D., La Pointe, D.D. (Tingley, J.V.) |