| Lat / long: | 29.32273, -103.52769 |
| Primary: | Mercury |
| Ore: | Cinnabar |
| Gangue: | Alunite, Calcite, Jarosite, Marcasite, Pyrite |
| Discovery year: | 1902 |
| Operation type: | Unknown |
| Production size: | Medium |
| Development status: | Past Producer |
| Production years: | 1903-1905, 1915-20, 1928-34, 1936, 1944, EARLY 197* |
| First production started: | 1903 |
| Last production ended: | 1972 |
| Host rock: | Pen |
| Host type: | Shale |
| Structure: | Asymmetric Terlingua Anticline |
| Alteration processes: | Shale Baked Along Contact With Intrusive Syenite |
| MRDS | M055143 |
| DEP | 10040389 |
| Reference | {Deposit:: BAILEY, E.H., USGS, PERSONAL FILES.}{Deposit:: CHESTER, J.W., 1965, MERCURY IN TEXAS: USBM IC 8252}{Deposit:: USGS PP 312}{Deposit:: TX BEG MRC-73, P. 20.}{Deposit:: 1958 DIREXPL DMEA}{Deposit:: FIELD INVESTIGATIONS BY C.P. ROSS AND OTHERS 1934.}{Deposit:: FIELD INVESTIGATIONS BY R.G. YATES, J.F. MCALLISTER, AND G.A. THOMPSON 1942-1945.}{Other Database:: CIMRI}{Production:: USBM DATA} |
| Reporter | Bergquist, Joel R., Long, Keith R. |