| Lat / long: | 37.56603, -120.25655 |
| Primary: | Zinc, Copper |
| Secondary: | Lead, Gold, Silver |
| Ore: | Chalcocite, Chalcopyrite, Galena, Malachite, Pyrite, Sphalerite, Tetrahedrite |
| Gangue: | Barite, Calcite, Hematite, Limonite, Quartz, Sericite |
| Orebody form: | TABULAR |
| Discovery year: | 1935 |
| Operation type: | Unknown |
| Deposit type: | Replacement |
| Production size: | Small |
| Development status: | Past Producer |
| Production years: | 1935, 1944 - 1945 |
| First production started: | 1935 |
| Last production ended: | 1945 |
| Host type: | Greenstone,Schist |
| Associated type: | Slate,Quartzite,Arkose |
| Tectonic: | Island Arc |
| Alteration processes: | Silicification, Sericitization, Pyritization, Chloritization. 2500 Ft Long, 800 Ft Wide. |
| MRDS | M009395 |
| DEP | 10102860 |
| Reference | {Deposit:: BOWEN, O. E. AND CLIFFTON, G. H., 1957 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY, CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 1 & 2 , P. 200 - 202 .}{Deposit:: ERIC, J. H. AND COX, M. W., 1948 , ZINC DEPOSITS OF THE AMERICAN EAGLE - BLUE MOON AREA, MARIPOSA COUNTY, CALIFORNIA; COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 144 - 150 .}{Deposit:: CALIF. JOUR. MINES & GEOLOGY, V. 53, NOS.3 & 4, P. 547; ADD. REF.: DMPA APP* 2162 - SIERRA ZINC INC. - REPORTED MAY, 1952 BY WEHELT - DMEA INDEX -CALIF. NEV. P. 9}{Production:: ERIC, J. H., AND COX, M. W., 1948 , P. 145 (SEE REF.)} |
| Reporter | Gere, W., Fraticelli, L. A. (Albers, J.) |