| Lat / long: | -19.5976, -66.41613 |
| Primary: | Lead, Silver |
| Secondary: | Antimony, Tin, Copper |
| Ore: | Cassiterite, Stibnite, Tetrahedrite |
| Gangue: | Pyrite, Quartz, Tourmaline |
| Operation type: | Unknown |
| Production size: | None |
| Development status: | Occurrence |
| Host rock: | Los Frailes |
| Host type: | Tuff |
| Alteration processes: | Triangular Zone Of Argillic Alteration In Pyroclastic Rocks Of The Los Frailes Massif With An Area Of 3 Square Kilometers. Thin Sections Studies Indicate That The Alteration Is Phyllitic With Sericitization Of The Feldspars And Development Of Pyrite, With Tourmallization And Small Amounts Of Needle Tin And Minor Rutile. |
| MRDS | BL30160 |
| DEP | 10006594 |
| Reference | {Deposit:: GUSTAVSON ASSOC., 1992, COMPENDIUM OF THE ECONOMIC GEOLOGY OF BOLIVIA}{Other Database:: CIMRI} |
| Reporter | Blacutt, William |