| Lat / long: | 37.3814, -108.05871 |
| Primary: | Silver, Gold |
| Tertiary: | Tellurium, Copper, Lead, Zinc |
| Ore: | Chalcopyrite, Galena, Sphalerite |
| Gangue: | Quartz |
| Discovery year: | 1885 |
| Operation type: | Unknown |
| Deposit type: | Vein |
| Production size: | Small |
| Development status: | Past Producer |
| First production started: | 1887 |
| Last production ended: | 1921 |
| Host rock: | Cutler Formation |
| Host type: | Shale,Sandstone |
| Associated rock: | Porphyritic Rocks--Diorite-Monzonite Porphyry;Nonporphyritic Rocks--Syenite |
| Associated type: | Syenite,Diorite |
| Structure: | San Juan Uplift, Four Corners Platform, La Plata Dome |
| Tectonic: | Central Cordillera (Southern Rocky Mtns) |
| Alteration processes: | Oxidation Of Pyrite To Limonite |
| MRDS | D010839 |
| DEP | 10014178 |
| Reference | {Deposit:: ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 67-68, 149-151.}{Deposit:: CARAMOUZIS, BASIL, (N.D.), REPORT ON THE MAY ROSE MINES, LA PLATA COUNTY, COLORADO: UNPUB. ENG. REPT., 4 P.}{Deposit:: COLORADO DIV. MINES INF. REPTS.}{Production:: CARAMOUZIS (UNPUB ENG. REPT.)} |
| Reporter | Schwochow, Stephen D. |