Commodities
PrimaryGold, Silver
SecondaryZinc, Lead, Copper
Commodity typeM
Deposit
Model150: Epithermal vein, Comstock
Deposit sizeS
Ore controlFault Controlled
Materials
Ore mineralsArgentite, Bornite, Chalcopyrite, Chrysocolla, Covellite, Electrum, Galena, Gold, Malachite, Silver, Sphalerite, Stephanite, Stromeyerite
GangueCalcite, Chalcedony, Quartz
Other materialsPyrite
Geology
Host rockLatite,Andesite
Associated rockRhyolite,Latite,Andesite
StructureFive Normal Faults Encountered In S. Fsco. Tunnel: 1> N 57 W, 75 Ne; At Least 300 M Displacement, Southern Limit Of Mineralization. 2> N 40 E, 65 Se; Post-Min. 3> N 55 W, 65 Ne; Post-Min. 4> N 50 E, 75 Se; Cut By Fault No. 3. 5> N 40 E, 45 Se; Follows Contact Between Andesitic Tuffs And Augite Andesites. Many Nnw Trending Lineaments, Possibly Faults.
AlterationPropylitic, Potassic, Argillic, Silicic
Economic & production
Development statusPast Producer
First production1867
Identification
Deposit ID10049478
MRDS IDMX02187
Alternate namesEsperanza, Numero 2, C.Q. Y Don Carlos., Grijalva, Concamena, Cojurichic, San Antonio, San Francisco
RegionNA
Data scoreC
Coordinates28.05859, -108.06725
References
GUILD, P.W., 1981, PRELIMINARY METALLOGENIC MAP OF NORTH AMERICA: U.S. GEOLOGICAL SURVEY CIRCULAR 858-A AND -B.GONZALEZ R., J., 1956, MEMORIA GEOLOGICO-MINERA DEL ESTADO DE CHIHUAHUA: CONGRESO GEOLOGICO INTERNACIONAL, XX, DURANGO, MEXICO, 1956, P. 79-83.BUCHANAN, L.J., 1981, PRECIOUS METAL DEPOSITS ASSOCIATED WITH VOLCANIC ENVIRONMENTS IN THE SOUTHWEST IN DICKINSON, W.R., AND PAYNE, W.D., (EDS.), 1981, RELATIONS OF TECTONICS TO ORE DEPOSITS IN THE SOUTHERN CORDILLERA: ARIZONA GEOLOGICAL SOCIETY DIGEST, V. 14, P. 237-262.SECRETARIO DE PROGRAMACION Y PREPUESTO, 1984, TECORIPA: CARTA GEOLOGICA; INSTITUTO NACIONAL DE ESTADISTICA GEOGRAFIA E INFORMACION, MEXICO D.F., SCALE 1:250,000.SOCIEDAD GEOLOGICA MEXICANA A.C., 1985, PLANO GEOLOGICO MINERO DE CHIHUAHUA, MEXICO: CONSEJO DE RECURSOS MINERALES AND FEDERAL GOVERNMENT OF MEXICO, MEXICO D.F., 1 SHEET, SCALE 1:500,000.WISSER, E., 1966, THE EPITHERMAL PRECIOUS-METAL PROVINCE OF NORTHWEST MEXICO: A.I.M.E. CONFERENCE MAY 5-7, 1965, NEVADA BUREAU OF MINES, REPORT 13, P. 63-92.HALL, C.W., 1926, GEOLOGY OF THE YOQUIVO, CHIHUAHUA, MINING DISTRICT: AMERICAN INSTITUTE MINING ENGINEERS, TRANSACTIONS, V. 74, P. 223-237.GONZALEZ, 1956; BUCHANAN, 1981.