 | | Journal (article/letter/editorial) | | pp. 1583-1596 Ore Deposits at the Fresnillo Mine, Zacatecas,Mexico DELFINO C. RUVALCABA-RUIZ PasajeE...FraccionamientoIndustr[al Aviation, SanLu(s Potos(78140, Mexico AND TOMMY B. THOMPSON Departmentof EarthResources...increasingelevation. Fluid inclusionsin quartz, calcite, and sphaleritecontaintwo phases,water and water...between240 ø and 350øC while shallowand distalquartz, calcite,and sphaleritefrom veins yield temperatures between140ø... with reliefs lessthan 300 m lie within the FRESNILLO islocatedonthe Mexicanplateaubetween productivearea |  | Gemmell, J. Bruce, Simmons, Stuart F., Zantop, Half (1988) The Santo Nino silver-lead-zinc vein, Fresnillo District, Zacatecas, Mexico; Part I, Structure, vein stratigraphy, and mineralogy. Economic Geology, 83 (8) 1597-1618 doi:10.2113/gsecongeo.83.8.1597 | Journal (article/letter/editorial) | | Santo Nifio Silver-Lead-Zinc Vein, Fresnillo District, Zacatecas, Mexico: Part I. Structure, Vein Stratigraphy...IV is a massivefloodingof coarselycrystalline calcite. The ore mineralsof the SantoNifio vein are a...andnativesilver.Ganguemineralsincludequartz,chalcedony,calcite,chlorite,and clay.Sphalerites havewell-developed...vugs,mineralzonation,traceelementdistribution in calcite,Sb/(Sb+ As) andAg/(Ag+ Cu) variationsin sulfosalts...depositsin the Fresnillo district. Locationswherecarefulgeologicandgeochemical THE Fresnillo district, located |  | | Journal (article/letter/editorial) | | LONG-LIVED HYDROTHERMAL SYSTEM IN THE FRESNILLO SILVER DISTRICT, MEXICO: CONSTRAINTS FROM 40Ar/39Ar GEOCHRONOLOGY...Department, New Mexico Institute of Mining and Technology, Socorro, New Mexico 87801 2New Mexico Bureau of...Resources, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, New Mexico 87801 Abstract...Abstract The ore deposits of Fresnillo have produced silver for more than 450 years and contain resources...resources of approximately 1 Goz. Mineralization in Fresnillo occurs in epithermal veins hosted by a Middle |  | | Journal (article/letter/editorial) | | Alterationand Fluid InclusionStudiesin the Fresnillo District, Mexico: Evidence for a Brine Reservoir and a...hydrothermal mineralassemblage comprisingquartz,calcite,illite, or interlayeredillite-montmorillonite,...water table. At Plateros, which lies north of Fresnillo, a hotter thermal environment is exposedwhere...cha regional-scale modelof et al., 1986). At Fresnillo,previousresearchwasdi- the anatomyand evolutionof...metalzonation,fluidinclusions, and terns in the Fresnillo district. isotopiccompositions (Stoneand McCarthy |  | | Journal (article/letter/editorial) | | Santo Nifio Silver-Lead-Zinc Vein, Fresnillo District, Zacatecas, Mexico: Part II. Physicaland Chemical Nature...final stageis dominatedby calcite. Fluid inclusionstudieson the quartz, calcite, and sphaleriteindicatethat...(aHe/4He)measured for inclusion fluidsfromquartz,calcite, andsulfides(stagesI, II, III, andIV) rangefrom... where Cerro Proafio marks the center of the Fresnillo district; the SantoNifio vein lies on the peripheryof...easternextremityon the 270-mlevel where it cuts the Fresnillo fault and enters a mid- Tertiaryconglomerate |  | | Journal (issue) | | Mexico ineralogical Record November-December 2003 ❖ Volume 34 Number 6 ❖ $20 Wayne & Dona Leicht,...Photo by Harold and Erica Van Pelt, Los Angles Mexico Special Issue III Los Lamentos Famous Mineral...District, Chihuahua, Mexico ...................................... 4 by W. E. Wilson Fresnillo Famous Mineral...Mineral Localities: Fresnillo, Zacatecas, Mexico .............. 36 by T. C. Wallace & M. K. Hall-Wallace ...Famous Mineral Localities: Las Vigas, Veracruz, Mexico .............. 55 by W. Lieber & Gerhard Frenzel |  | | Journal (article/letter/editorial) | | the Sombrerete,Colorada,and Fresnillo Districts, Zacatecas State, Mexico TAWN ALBINSON F. Grupo Catorce...Reforma,No. 51, Piso16, ColoniaRevolucion06030, Mexico,D.F. Abstract Recentmappinghasidentifiedthe palcosurfaces...polymetallicvein systemsof Sombrerete,Colorada,andFresnillo,Zacatecas. The characteristics considered indicativeof anenvironment...easternmarginof the Sierra Madre Occidental in the state of Zacatecas;it coincideswith a hiatus in volcanism. Stra...the district of Fresnillo ada districts(Albinson,1987; Soto and Albinson, Zacatecas(Fig. 1). They occupya |  | | Book | | K FIELD GUIDE to the GEMS and MINERALS of MEXICO (Exclusive of Baja California) A guide to the...Information............ Driving in Mexico................... Trailcring in Mexico ............. 5 6 6 7 8 8........ A Word to the Wise ............. Jade in Mexico......................... Manto and Chimney Deposits...District .................... Fresnillo District ......................... Zacatecas District.................District..................... Route Map — Central Mexico 45 48-49 51 .51 51 52 SECTION 4 — Highways |  | | Journal (article/letter/editorial) | | the most familiar polybasite localities are in Mexico, exceptionally fine specimens associated with well-crystallized...are reported to reach widths of 9 cm, as at Fresnillo, Mexico. Triangular patterns formed by {001} striae...acanthite, silver, quartz (amethyst), pyrite, and calcite. Small polybasite crystals are reported from vuggy...Spring mine, Hermosa district, Sierra County, New Mexico. It has been found at scattered localities in Arizona...variety of other silver minerals have been found in calcite veins exploited in the Miller Lake O’Brien mine |  | | Journal (article/letter/editorial) | | AND THE MINE, ORE DEPOSITS ZACATECAS, OF THE CANTERA MEXICO JOHN G. STONE CONTENTS PAGE Abstract...mines of the formerly great silver campof Zacatecas,Mexico. The mine consistsof a seriesof sulphideorebodies...alongthe CanteraFault, about5 km east of the city of Zacatecas. The Cantera Fault is a large normal fault striking...sphalerite-chalcopyrite, galena, pyrite, quartz, pyrite, calcite. Silver sulphidesare presumablypresent, but their...minesof the formerlygreat silvercampof Zacatecas,Mexico. The Zacatecas district lies in the midst of a semi-isolatedgroup |  | | Journal (article/letter/editorial) | | Although that referred mainly to fossils, formed by calcite and pyrite, it also included pseudomorphs in the...these pseudomorphs are common in that in 1970 Fresnillo seemed to be exhausted. deposits around the world...Obersachsen (Germany), Fresnillo in Zacatecas and acanthite appeared, so that since 1980 Fresnillo and San Juan...Juan de Rayas in Guanajuato (Mexico) and has become the richest silver mine in the world, in more recently...Hartenstein metallic gray, 1 cm crystals on massive calcite were offered at the and Alberoda, to the north |  | | Book | | "'<' ~/ BOUNDARIES U A Mo<'« u~ o V :¾ MEXICO r - ·•-.. ·-··-··-··-·· < •• ....... V S TATES...org/details/mineralsofmexico0000panc MINERALS OF MEXICO • ERALS OF ~XICO M ______ William D. Panczner...1938Minerals of Mexico. Bibliography: p. 1. Mineralogy-Collectors and collecting-Mexico. 2. Mines and mineral...mineral resources-Mexico. I. Title. QE377.M6P36 1987 549.972 86-13325 ISBN 0-442-27285-5 This boo i...i.. is deJicated tu the people of Mexico and to the three people who directly affected me and this project |  | | Journal (article/letter/editorial) | | JOHN A. MUSGRAVE’ ‘Department of Geoscience, New Mexico Tech, Socorro, NM 87801, USA *INC-9, MS J5 14,...minor to no ASW component. The N2-ArHe ratios in Fresnillo and Cochiti inclusions, which have magmatic helium...deposits; the St. Cloud-U.S. Treasury, Cochiti, and Fresnillo are representative of epithermal vein deposits;...vugs. Only some Fresnillo samples contained two minerals. The complexly intergrown calcite and quartz in...System Inclusion volatiles were measured in quartz, calcite, and fluorite from Continental Scientific Drilling | | | Book | | anc MINERALS OF MEXICO 7 | : = Pras #0 AaprTTARE ; | MINERALS OF MEXICO William D. Panczner...1938Minerals of Mexico. Bibliography: p. 1. Mineralogy— Collectors and collecting— Mexico. 2. Mines and...and mineral resources— Mexico. I. Title. QE377.M6P36 1987 549.972 86-13325 ISBN 0-442-27285-5 This book...Jalisco; D. Santiago Ramirez’s La Riqueza Minera de Mexico, and his translation of Dana’s Tratado de Mineralogia...de Fomento Minero, Pefioles, Compafiia Minera Fresnillo, and Compania Santa Rosalia, who allowed me to |  | | Book (volume) | | ECONOMIC GEOLOGY, MEXICO The Geology of North America O r > W 4^ *1^ ^ ^ \ \ f ax4 u \ \...of North America Volume P-3 Economic Geology^ Mexico Edited by Guillermo P. Salas Geologo Consultor...Centro Minero Nacional Carretera Mexico-Pachuca Pachuca, Hgo., Mexico, D.F. 1991 EXPLORATION LIBRARY...reserved. Geologia economica de Mexico. English. Economic geology, Mexico / edited by Guillermo P. Salas...; v. P-3) Translation of Geologia economica de Mexico. Includes bibliography references and index. ISBN |  | | Journal (article/letter/editorial) | | the most representative examples occurring in Mexico. The occurrence of the two subtypes of IS are largely...being the important source of precious metals for Mexico, the United States, Canada, Chile, Peru, Papua...associated features such as deposition of bladed calcite, colloform quartz, and adularia, as well as the...based on a summary of 35 of epithermal deposits in Mexico, noting an atypical epithermal style with upper...polymetallic mineralization (Zn-Pb-Cu), largely located in Mexico (Camprubí and Albinson, 2007). 3. Distribution |  | | Journal (article/letter/editorial) | | COLLECTlON Figure 1. Jalpaite, 3.6 cm high, Jalpa, Zacatecas. University of Arizona Mineral Museum TERRY...collection, photos by Jeff Scovil he modern history of Mexico begins with the arrival of Hernan Cortez and the...'iRure 2. PyraKvrite, 6.6 cm high, Fremrillo, Zacatecas. Figure .?. Acanthite. 11.2 cm acrosfi,Arizpc...Pachuca, Zacatecas, Fresnillo, and Guanajuato were discovered. The amount of silver mined in Mexico is extraordinary...because of the mines of Mexico. Even more noteworthy is that the mineral wealth of Mexico is seemingly inexhaustible |  | Pearson, Mark F., Clark, Kenneth F., Porter, Elise W., Gonzalez S., Octavio (1988) Mineralogy, fluid characteristics, and silver distribution at Real de Angeles, Zacatecas. Economic Geology, 83 (8) 1737-1759 doi:10.2113/gsecongeo.83.8.1737 | Journal (article/letter/editorial) | | and Silver Distribution at Real de Angeles,Zacatecas,Mexico MARK F. PEARSON, Chen-Northern Inc., P.O....tonnagedepositis locatedin the southeastern part of Zacatecas,on the westernedge of the Mesa Central in transitionwith...southeastern Zacatecas (simplified from Clark, 1984). REAL DE ANGELESDEPOSIT,ZACATECAS 1739 gradeof...1984). laccolithic(microdiorite)equivalentin the Zacatecas district (see Ponce and Clark, 1988), 75 km to...Sericitized schist. ohyllites. The basementrock for Zacatecas. FIG. 2. Stratigraphiccolumn of southeasternZacatecas(modified |  | | Journal (article/letter/editorial) | | “new” silver mineral specimens on the market. Only Mexico, Peru, and, to a lesser extent, Kazahkstan have...Himmelsfurst, and the Elizabeth. In 1521, Spain conquered Mexico, and the world’s economy changed forever. In a...rich silver deposits at Taxco, Pachuca, Zacatecas, Fresnillo, and Guanajuato were discovered. In 1535...World will never be known, but from 1500 to 1800 Mexico had probably produced one-third of the total silver...developments in silver mining occurred at Pachuca, Mexico. In 1550, a merchant from Seville named Bartolome |  | | Journal (article/letter/editorial) | | deposits in Mexico, Chile, Germany, and Peru (e.g., Fresnillo, Guanajuato, Sultepec, and Pachuca, Mexico; Copiapò...from Japan and Mexico. Gemmell et al. (1989) showed that the Santo Niño vein in the Fresnillo district contains...Erzgebirge, Germany Pachuca, Hidalgo, Mexico Pachuca, Hidalgo, Mexico Annaberg, Germany Joachimsthal, Bohemia...Kazakhstan Lengenbach, Vallese, Switzerland Fresnillo, Zacatecas, Mexico Joachimsthal, Bohemia, Czech Republic...Clara Grube, Germany Potosì, Bolivia Sultepec, Mexico Nagaya, Spain Saxony, Germany St. Andreasberg, |  | | Journal (article/letter/editorial) | | upflowzoneat a <œ-kmdepthand <300øC.Precious Topia,Fresnillo)suggest a geneticlinkbetweenbasemetal andbasemetalminerals...blageof hydrothermal quartz,albite,adularia, illite,calcite, finelycrystalline sphalerite isintergrown withgalena...variability in liquid-vapor tire, smectite,kaolinire), calcite, and siderite are the main ratiosin liquid-rich...adjaAbbre;4ations: ad = adularia,alb = albite,cc = calcite,chl = chlorite,cpy= whereas TmøC isrepresented...SurveyBulletin1421-B,71 p. et al., 1988;Foleyet al., 1989).At Fresnillo, brine-rich fluid Hall,D.H., Sterner,M.S.,andBodnar |  | | Journal (issue) | | or $46.00 for two years; addresses in Canada and Mexico are US$48.00 per year, or US$90.00 for two years;...from Kvanefjeld, Point of Rocks (Colfax Co., New Mexico, USA) and a few from Aris. 5-15 mm free-standing...around 8 mm on a 5 cm anhydrite crystal from Naica (Mexico). Several dealers had very good wire silver on...etched and I believe they have been etched from calcite. A few dealers had shigaite specimens from the...Adjacentto thiscrystalis a small, residualpatchof calcite(theresthavingbeenacid-etched away),in whichis another |  | | Journal (article/letter/editorial) | | Tucson, Arizona 85728 pmegaw@imdex.com Fluorite Mexico is one of the world’s principal fluorite producers...time to them here. Specimen-quality fluorite from Mexico occurs in a variety of deposit types, spanning...geologist with thirtyfive years’ involvement in Mexico. His primary exploration foci are carbonate replacement...collecting focuses almost exclusively on minerals of Mexico, and he has won awards for exhibits of Mexican...09:19 04 November 2014 Figure 3 (above left). Calcite on fluorite, 8 × 6 cm, from the El Tule mine, Coahuila |  | Megaw, Peter K. M., Huizing, Terry E., Richards, R. Peter, Post, Jeffrey E. (2018) Connoisseur's Choice: Distinctive Twinned Calcite from the Palmarejo Mine, Chihuahua, Mexico. Rocks & Minerals, 93 (5) 434-441 doi:10.1080/00357529.2018.1477010 | Journal (article/letter/editorial) | | edu Distinctive Twinned Calcite From the Palmarejo Mine, Chihuahua, Mexico C alcite comes from such...of distinctive calcite specimens from the Palmarejo mine in western Chihuahua, Mexico, has joined the...a thin layer of black manganese oxide–included calcite (principally romanèchite and chalcophanite; J....itself encrusted by a later stage, or stages, of calcite crystals that create a beige-to-colorless fringe...formation of a transparent, manganese-rich twinned calcite crystal that was followed by deposition of a second |  | Camprubí, Antoni, Chomiak, Beverly A., Villanueva-Estrada, Ruth E., Canals, Àngels, Norman, David I., Cardellach, Esteve, Stute, Martin (2006) Fluid sources for the La Guitarra epithermal deposit (Temascaltepec district, Mexico): Volatile and helium isotope analyses in fluid inclusions. Chemical Geology, 231 (3) 252-284 doi:10.1016/j.chemgeo.2006.02.002 | Journal (article/letter/editorial) | | Guitarra epithermal deposit (Temascaltepec district, Mexico): Volatile and helium isotope analyses in fluid...Querétaro, Qro., Mexico b Department of Earth and Environmental Science, New Mexico Institute of Mining...Mining and Technology, Socorro, New Mexico 87801, USA Department of Physics, Astronomy, and Geophysics,...Universitaria, Delegación Coyoacán, 04510 México, D.F., Mexico e Departament de Cristal·lografia, Mineralogia...deposit (Temascaltepec district, South-Central Mexico), belongs to the low/intermediate sulfidation epithermal |
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Proaño Mine, Fresnillo, Fresnillo Municipality, Zacatecas, Mexico