| Location: | San Miguel, Montrose County, Colorado, United States, North America |
| Lat / long: | 38.0172, -108.05395 |
| dep_id: | 60000380 |
| mrds_id: | D010940 |
| Commodity type: | metallic and nonmetallic |
| Major mineral: | Vanadium, Gold, Lead, Silver |
| Minor mineral: | Uranium, Stone, Dimension, Limestone, General, Copper |
| Trace mineral: | Chromium, Zinc, Molybdenum, Cobalt |
| Operation type: | Unknown |
| Deposit type: | STRATABOUND, CHEMICAL PRECIPITATE; REPLACEMENT; VEIN; PLACER |
| Production size: | Small ammount of material produced |
| Development status: | Past Producer |
| alteration: | OXIDATION OF CU AND PB SULFIDE TO CARBONATES; OXIDATION OF FE SULFIDE TO OXIDE; WALLROCK BLEACHING |
| ore_ctrl: | VANADIUM ORES CONTROLLED BY PERMEABLE SANDSTONE UNDERLYING PONY EXPRESS LIMESTONE. PLACERS CONTROLLED BY GRAVEL-FILLED BEDROCK CHANNELS AND CONTACTS BETWEEN BEDROCK AND GRAVEL. VEIN DEPOSITS CONTROLLED BY PRINCIPAL NW-TRENDING FAULTS AND BY EAST-WEST-TRENDING DIKES. REPLACEMENTS CONTROLLED BY CHEMICAL FAVORABILITY OF LIMESTONE NEAR FAULTS. |
| Structure: | PARADOX BASIN, UNCOMPAHGRE UPLIFT, SAN JUAN VOLCANIC FIELD, SAN MIGUEL MTNS |
| Year first produced: | 1878 |
| yr_lst_prd: | 1977 |
| disc_yr: | 1875 |