 | | Journal (article/letter/editorial) | | Tucson, Arizona 85728 pmegaw@imdex.com Fluorite Mexico is one of the worldâs principal fluorite producers...time to them here. Specimen-quality fluorite from Mexico occurs in a variety of deposit types, spanning...geologist with thirtyfive yearsâ 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...Megaw specimen, Jeff Scovil. Figure 5. Map of Mexico showing major fluorite specimen localities, prepared |  | | Journal (article/letter/editorial) | | epithermal AgâAuâCuâPbâZn mineralization in Guanajuato, Mexico Helen Mango & Greg Arehart & Naomi Oreskes...Abstract The Guanajuato epithermal district is one of the largest silver producers in Mexico. Mineralization...sulfides (mostly chalcopyrite, galena, sphalerite, and pyrite), and electrum. There is a broad zonation of metal...and, in places, boiling. Keywords Guanajuato . Epithermal . Mexico . Fluid inclusions . Stable isotopes...Introduction The Guanajuato mining district is one of the largest silver producers in Mexico, which has been |  | | Journal (article/letter/editorial) | | Volcano-PlutonicCenter at Guanajuato,Mexico J.A. RANDALLR., ApartadoPostal,168, Guanajuato,Gto.,36000,Mâąxico...00 1722 GUANAJUA TOVOLCANO-PL UTONIC CENTER, MEXICO 1723 The Upper zone,associated with a rangefront...goeenevolcanicprovince (Fig. 1). The Sierra de Guanajuato,in whichthe miningdistrictislocated,is Localstratigraphy...I I I Kltome+.ers FIG. 1. Positionof the Guanajuato districtin relationto the accretedGuerreroterraneandregional...Batopilas,F = Fresnillo,G = Guanajuato,GT = Guerreroterrane,MDF = Mexico(Distrito Federal), SE -- SantaEulalia |  | | 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...Tepezala District........................... Guanajuato District ..................... El Sanlin Mine...District..................... Route Map â Central Mexico 45 48-49 51 .51 51 52 SECTION 4 â Highways |  | Mortensen, J. K., Hall, B. V., Bissig, T., Friedman, R. M., Danielson, T., Oliver, J., Rhys, D. A., Ross, K. V., Gabites, J. E. (2008) Age and Paleotectonic Setting of Volcanogenic Massive Sulfide Deposits in the Guerrero Terrane of Central Mexico: Constraints from U-Pb Age and Pb Isotope Studies. Economic Geology, 103 (1) 117-140 doi:10.2113/gsecongeo.103.1.117 | Journal (article/letter/editorial) | | Sulfide Deposits in the Guerrero Terrane of Central Mexico: Constraints from U-Pb Age and Pb Isotope Studies...Abstract The Guerrero terrane of central and western Mexico comprises volcanic and sedimentary strata of mainly...Tlanilpa-Azulaquez, Tizapa, Rey de Plata, etc.), the Guanajuato subterrane (El Gordo, Las Gavalinas), and the...from the Campo Morado, Tlanilpa-Azulaquez, Leon-Guanajuato, and San Nicolas-El Salvador VMS districts, together...from the east) along the western margin of nuclear Mexico. Slab rollback in the Middle Jurassic led to the |  | | Journal (article/letter/editorial) | | Ore Discoveryand Sourceof Silver-GoldVeins, Guanajuato, Mexico W. H. Gâątoss Abstract Gold- and silver-bearing...specificelevations. Location GUANAJUATO is located about 250 miles northwest of Mexico City as shownin Figure...Figure 1. The Guanajuato oresare of the epithermal silver-gold type as definedby Lindgren(1928). The locationof...locationof other epithermalsilver-golddistrictsin Mexico, Taxco, Pachuca, andZacatecas, are alsoshownin...metal prices. The historical developmentsof the Guanajuato camp are describedby Taylor (1971), Antfinez |  | | Report (issue) | | and base metal-bearing, epithermal deposits of Mexico and Peru by Nora K. Foley Open File Report 84-633...districts Guanajuato District, Guanajuato, Mexico References Geologic map of Guanojuato District, Mexico Pachuca-Real...District, Hidalgo, Mexico References Geologic map of Pachuca-Real del Monte District, Mexico Colqui District...base metal-bearing deposits from Peru and two from Mexico are compiled to facilitate comparisons with other...deposits. Silver and base metal-bearing deposits of Mexico and Peru constitute an important portion of the |  | | Book | | "'<' ~/ BOUNDARIES U A Mo<'« u~ o V :Ÿ MEXICO r - ·âą-.. ·-··-··-··-·· < âąâą ....... V S TATES...org/details/mineralsofmexico0000panc MINERALS OF MEXICO âą 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 | | | Book | | anc MINERALS OF MEXICO 7 | : = Pras #0 AaprTTARE ; | MINERALS OF MEXICO William D. Panczner...1938Minerals of Mexico. Bibliography: p. 1. Mineralogyâ Collectors and collectingâ Mexico. 2. Mines and...and mineral resourcesâ Mexico. I. Title. QE377.M6P36 1987 549.972 86-13325 ISBN 0-442-27285-5 This book...Jalisco; D. Santiago Ramirezâs La Riqueza Minera de Mexico, and his translation of Danaâs Tratado de Mineralogia...States Geological Survey; The Universidad de Guanajuato; Universidad de Sonora; and the University of |  | | Journal (article/letter/editorial) | | JANUARY, i928 No. I THE GUANAJUATO MINING DISTRICT, GUANAJUATO, MEXICO. âą ALFRED WANDKE AND JUAN...Guanajuatowhich is a part of the great Central Plateauof Mexico. This district shows considerablediversity of...of the northwest-trendingranges, the Sierra of Guanajuato and the Sierra Gorda, rise from 600 to 1,2oo...surroundingintermontane basins. The Sierra of Guanajuato,a long anticlinalblock-faultedfold in which the...246 meters). On the north and eastthe Sierra of Guanajuato is boundedby severalvalleysor basins,whereasto |  | | 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 |  | Yann, Ramos-Arroyo, Armando, Guerrero-Aguilar, Irene, Cano-RodrĂguez, MoisĂ©s, GutiĂ©rrez-Valtierra, RaĂșl, Miranda AvilĂ©s (2017) Arsenic Liberation from Mine Wastes Derived of Skarn Deposits at Sierra Madre Oriental, MĂ©xico. Procedia Earth and Planetary Science, 17. 833-836 doi:10.1016/j.proeps.2017.01.058 | Journal (article/letter/editorial) | | University of Guanajuato, Engineering Division, JuĂĄrez Av. 77, center, Guanajuato, Gto., 36000, Mexico University...University of Guanajuato, Division Ciencias Naturales y Exactas, Noria Alta S/N, Guanajuato, Gto., 36000,... Mexico Abstract This work focuses on the evaluation of magnitude of arsenic release into the XichĂș...mine, located in Sierra Madre Oriental at Guanajuato state, Mexico. Approximately 1 million tons of sulfur-rich...XichĂș is located in the NE of Guanajuato state, 353 km away north of Mexico city (Figure 1). This mining |  | | Journal (article/letter/editorial) | | epithermal Ag-Au mineralization in the La Luz area, Guanajuato Mining District, MĂ©xico Daniel Moncada, Darcy...epithermal Ag-Au mineralization in the La Luz area, Guanajuato Mining District, MĂ©xico, Ore Geology Reviews...epithermal Ag-Au mineralization in the La Luz area, Guanajuato Mining District, MĂ©xico Daniel Moncada1,3, Darcy...of the La Luz vein system in the Guanajuato mining district, Mexico. In each sample, the various features...for additional resources at depth. Keywords: Guanajuato Mining District; La Luz system; fluid inclusions; |  | | Journal (article/letter/editorial) | | com/locate/oregeorev Regional geological setting of Guanajuato silver-gold deposits and quantitative petrophysical...assessment of their hydrothermal alteration, Guanajuato, MĂ©xico T L.F. Vassallo Universidad Nacional...R T I C LE I N FO A B S T R A C T Keywords: Guanajuato Ore deposits Hydrothermal alteration Petrophysics...Sierra de Guanajuato, which is a 100 km long, N45°W-trending mountain range in Central Mexico. The rocks...rocks exposed in the Sierra de Guanajuato and its surroundings can be divided into four broad stratigraphic |  | Landa-ArreguĂn, J. F. A., Villanueva-Estrada, R. E., RodrĂguez-DĂaz, A. A., Morales-Arredondo, J. I., Rocha-Miller, R., Alfonso, P. (2021) Evidence of a new geothermal prospect in the Northern-Central trans-Mexican volcanic belt: Rancho Nuevo, Guanajuato, Mexico. Journal of Iberian Geology, 47 (4) 713-732 doi:10.1007/s41513-021-00173-0 | Journal (article/letter/editorial) | | transâMexican volcanic belt: Rancho Nuevo, Guanajuato, Mexico J. F. A. LandaâArreguĂn1 · R. E. VillanuevaâEstrada2...Thermal manifestations are commonly found in central Mexico as result of the volcanic activity originating...kaolinite, montmorillonite, opal, zeolite, barite, pyrite, and stibnite in altered soil sediments or around...springs, stability diagrams were constructed for pyrite, barite, and zeolites using the Geochemistâs Work...exploration of a viable geothermal resource in central Mexico. Keywords Geothermal potential · Rancho Nuevo geothermal |  | | Journal (article/letter/editorial) | | of the Guerrero composite terrane, west-central Mexico: implications for ore genesis Adriana Potra & Andrew...exotic tectonostratigraphic terranes of southern Mexico. Comparison among the isotopic signatures of ores...correlation between the distinct suspect terranes of Mexico and the isotopic signatures of the associated Cenozoic...Schematic sketch of southwestern Mexico showing the main magmatic provinces in Mexico (Sierra Madre Occidental...subterranes (ZihuatanejoâHuetamo, Teloloapan, Guanajuato, and Zacatecas) of the Guerrero terrane, as well |  | | Journal (article/letter/editorial) | | GuanaiuatoMining District, Mexico* W. PETRUK AND D. Owens Abstract The silver ores in the Guanajuato mining district...district in Mexico consistof disseminated silver sulfides,selenides,and electrum in quartz-calciteveins and...Ttâą. ores in the Guanajuatomining district, Guanajuato, Mexico, occur as mineralized quartz-calcite veinsand...assemblageof carbonateand silicate disseminated grains of pyrite, acanthite,polybasite, minerals occur in ore shoots... SIL[/ER DEPOSITS IN THE GUANAJUATOMINING DISTRICT, MEXICO 1079 gonal calcitecrystals--the adularia is partly |  | | Journal (article/letter/editorial) | | from 25 localities. Antimonpearceite from Sonora, Mexico, has the composition Ag62.54, Cu 8.90,-Fe 0.05...these limits (see list). Pearceite. Sierra Mojada, Mexico. Contains less than Sb 2, with S.G. 6.10 and c...Thick tabular isolated crystal. Pearceite. Pozos, Mexico. Sb 6+2; c 11.80 A. Group of coarse crystals, with...with chalcopyrite. Pearceite. Sierra Juarez, Mexico. Sb 7+2;c 11.84 A. Large crystal. Pearceite. Tuscarora...in part with higher As content. Thin scales with pyrite. Pearceite. Mangani mine, Sumatra. Sb-43; c 1I |  | SolĂ©, JesĂșs, Pi-Puig, Teresa, Ortega-Rivera, Amabel (2021) A Mineralogical, Geochemical, and Geochronological Study of âValencianiteâ from La Valenciana Mine, Guanajuato, Mexico. Minerals, 11 (7) 741 doi:10.3390/min11070741 | Journal (article/letter/editorial) | | of âValencianiteâ from La Valenciana Mine, Guanajuato, Mexico JesĂșs SolĂ© 1, * , Teresa Pi-Puig 1 and Amabel...Universitaria, CoyoacĂĄn, Ciudad de MĂ©xico 04510, Mexico; tpuig@geologia.unam.mx Instituto de GeologĂa,...Apartado Postal 1039, Hermosillo, Sonora 83000, Mexico; Dra.amabel.o.r@gmail.com Correspondence: jsole@geologia...K-feldspar (adularia) from La Valenciana mine, Guanajuato, Mexico, from which three samples were used for this...considered a new mineral. Valenciana Mine, Guanajuato, Mexico. Minerals 2021, 11, 741. https:// doi.org/10 |  | | Journal (article/letter/editorial) | | ORE DEPOSITS ZACATECAS, OF THE CANTERA MEXICO JOHN G. STONE CONTENTS PAGE Abstract ..........of the formerly great silver campof Zacatecas,Mexico. The mine consistsof a seriesof sulphideorebodies...quartz, sphalerite-chalcopyrite, galena, pyrite, quartz, pyrite, calcite. Silver sulphidesare presumablypresent...minesof the formerlygreat silvercampof Zacatecas,Mexico. The Zacatecas district lies in the midst of a...stainedby iron oxides,and Burkartreportsscattered pyrite (6, p. 28), whichmay not be primary, however. |  | | Report (issue) | | district of Guanajuato, Mexico (see the article on Guanajuato in September-October 2016: âMexico VIIâ). This...asks $4500 for it. Aguilarite, 2.8 cm, from Guanajuato, Mexico. Weinrich Minerals specimen and photo. âValencianiteâ...Valenciana mine, Guanajuato, Mexico. Cal Neva Mineral Company. That same article in âMexico VIIâ on the silver...silver mines of Guanajuato describes the distinctive specimens of âvalencianiteâ which were found, chiefly...rich silver ore in the great Valenciana mine at Guanajuato. âValencianite,â the local name for this style |  | | Journal (issue) | | Mountains and Guadalupe Mountains of Texas and New Mexico. Please follow this link for more details: https://www...pop into their mind. Ask them about amethyst from Mexico and the gemmy quartz crystals from Vera Cruz are...their collection. However, amethyst from the Guanajuato silver mines are probably not familiar to most...most rockhounds. And speaking of silver, the Guanajuato mining district is one of the most prolific and...as 4.0 million to 7.0 million ounces of gold. Guanajuato was a major center of the Spanish colonial mining |  | | Journal (article/letter/editorial) | | Scovil M ining began in Mexico more than four hundred years ago! As a result, Mexico has been a prolific...1960s. European museums received specimens from Mexico as early as the late sixteenth century, but it...American museums began to acquire specimens from Mexico. The Harvard collection is probably typical of...of those with no strong connection to Mexico and its mines. A precious opal from the Iris mine in Queretaro...offered as a general introduction to the minerals of Mexico, the theme of the 1999 Tucson Gem and Mineral Show |  | | Report (issue) | | 55 c = 4.054 Z=4 X-ray Powder Pattern: Guanajuato, Mexico. 3.19 (100), 3.65 (90), 1.989 (70), 2.88...83 36.17 Total 98.11 99.1 100.00 (1) Guanajuato, Mexico; corresponds to Bi1.89 (Se1.79 S1.21 )ÎŁ=3...clausthalite, nevskite, galena, pyrite, calcite. Distribution: In Mexico, from the Santa Catarina [TL]...SenÌora de la Luz mines, Sierra de Santa Rosa, near Guanajuato. In the USA, near Salmon, Lemhi Co., Idaho; and...Kopparberg, Sweden. Name: For the locality in Guanajuato, Mexico. References: (1) Palache, C., H. Berman |  | | Journal (article/letter/editorial) | | Bethke andRye (1979) Bartonet al. (1977) Guanajuato, Mexico Gross (1975) Buchanan(1979) Pachuca,Mexico4...Golden Wonder renceof the assemblage enargite+ pyrite ___ covellite andGoldQuartzveins,whichSlack(1980)...esare different by the absenceof the enargite+ pyrite ___ covellite from the restof the Lake City I...Acid-sulfatetype Adularia-sericitetype Enargiteq-pyrite ___ covellite Extensivehypogenealunite Major hypogenekaolinite...III III III S? Cove,Re III Bormte Enarglte Pyrite Pyrrhotite III III III Arsenopyrite I I11 |
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La Sirena Mine, Guanajuato, Guanajuato Municipality, Guanajuato, Mexico