Commodities
PrimaryCopper, Gold, Zinc, Silver, Lead
Commodity typeM
Deposit
Deposit typeHYDROTHERMAL VEIN
Model85: Polymetallic veins
Deposit sizeL
Ore controlTYPES OF WALL ROCK, VEIN INTERSECTIONS, CHARACTER OF FAULT MOVEMENT, PRESENCE OF INTERSECTING DIKES AND FAULTS, AND ABRUPT CHANGES IN STRIKE OR DIP.
Geology
StructureNORTHWEST-TRENDING SWARM OF DIKES, FISSURES, AND VEINS RADIATING FROM THE SILVERTON CALDERA FORMING A BELT OF FRACTURE ZONES, RING FAULTS AND DIKES, CONE SHEETS, AND RADIAL DIKE SWARMS., PARADOX BASIN OF SOUTHEASTERN UTAH AND SOUTHWESTERN COLORADO (INTRACRATONIC BASIN) TRENDING NORTHWEST-SOUTHEAST ELONGATE STRUCTURE.
AlterationVOLCANIC ROCKS ARE PROPYLITICALLY ALTERED; EPIDOTE, CALCITE, CHLORITE, PYRITE SERTICITIC, ARGILLIC, CALC-SILICATE ALTERATION NEAR VEINS; QUARTZ-PYRITE-SERICITE, KAOLINITE, EPIDOTE-RICH CALC-SILICATE SKARNS
Economic & production
Development statusProducer
Discovery year1875
Identification
Deposit ID60001023
MRDS IDMP90006
Alternate namesUpper San Miguel District
RegionNA
Data scoreD
Coordinates37.9169, -107.80064
References
MOSIER, D.L., MENZIE, W.D., AND KLEINHAMPL, F.J., 1986, GEOLOGIC AND GRADE-TONNAGE INFORMATION ON TERTIARY EPITHERMAL PRECIOUS- AND BASE-METAL VEIN DISTRICTS ASSOCIATED WITH VOLCANIC ROCKS: U.S. GEOLOGICAL SURVEY BULLETIN 1666, 39 P.KOSCHMANN, A.H., AND BERGENDAHL, M.H., 1968, PRINCIPAL GOLD-PRODUCING DISTRICTS OF THE UNITED STATES: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 610, 283 P.FISHER, F.S., 1990, GOLD DEPOSITS IN THE SNEFFELS-TELLURIDE AND CAMP BIRD MINING DISTRICTS, SAN JUAN MOUNTAINS, COLORADO, IN SHAWE, D.R., ASHLEY, R.P., AND CARTER, L.M.H., EDS., GOLD-BEARING POLYMETALLIC VEINS AND REPLACEMENT DEPOSITS PART II: U.S. GEOLOGICAL SURVEY BULLETIN 1857-F, P. F12,F18.FRIEDMAN, JULES D., AND HELER, JOAN S., TECTONIC TRENDS OF THE NORTHERN PART OF THE PARADOX BASIN, SOUTHEASTER UTAH AND SOUTHWESTERN COLORADO, AS DERIVED FROM LANDSAT MULTISPECTRAL SCANNER IMAGING AND GEOPHYSICAL AND GEOOGIC MAPPING: US. GEOLOGICAL SURVEY BULLETIN 200-C,D, 40 P.BARTOS, PAUL J., 1993, COMPARISON OF GOLD-RICH AND GOLD-POOR QUARTZ-BASE METAL VEINS: SOCIETY OF ECONOMIC GEOLOGISTS NEWSLETTER, NO. 15, 7 P.