SecondaryUranium, Stone, Dimension, Limestone, General, Copper
TertiaryChromium, Zinc, Molybdenum, Cobalt
Commodity typeB
Deposit
Deposit typeSTRATABOUND, CHEMICAL PRECIPITATE; REPLACEMENT; VEIN; PLACER
Deposit sizeS
Ore controlVANADIUM 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.
Geology
StructurePARADOX BASIN, UNCOMPAHGRE UPLIFT, SAN JUAN VOLCANIC FIELD, SAN MIGUEL MTNS
AlterationOXIDATION OF CU AND PB SULFIDE TO CARBONATES; OXIDATION OF FE SULFIDE TO OXIDE; WALLROCK BLEACHING