 | | Journal (issue) | | Mexico ineralogical Record November-December 2003 ❖ Volume 34 Number 6 ❖ $20 Wayne & Dona Leicht,...Angles Mexico Special Issue III Los Lamentos Famous Mineral Localities: The Erupción/Ahumada Mine, Los...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) | | 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) | | 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...ceased vein. The San Juan production by the de Rayas mine in time of World War II. Guanajuato also In 1946 |  | | Journal (issue) | | KHURSHEED DINSHAW NEVADA PATENT MINE 34 United States’ only active azurite mine. STUART “TATE” WILSON Regular...Azuritecredit) with Malachite,. (photo Milpillas Mine, Mexico : ARKENSTONE specimen now in the Jeff Kremer...of Tiffany Stone are no longer available from the mine at Delta Utah, even though the beryl content is... Mexican miners working underground at Ojuela mine circa 1908. Note safety equipment of the day. IMAGE...have Mexico become a reliable source of mineral specimen wealth – and periodic surprises. Mexico is a |  | | Report (issue) | | Geology—Mexico. 2. Geology, Structural—Mexico. 3. Faults (Geology)—Mexico. 4. Ore deposits—Mexico. I. Alaniz-Álvarez...The evolution of Middle America and the Gulf of Mexico-Caribbean Sea region during Mesozoic time: Geological...Tectonostratigraphic Terranes and Tectonic Evolution of Mexico: Geological Society of America Special Paper 278...and copper ore deposits (e.g., Fresnillo and Juani- 3 cipio, Zacatecas; Cananea and Nacozari, Sonora;...Durango SW 40 Es Mazatlán Tertiary faults Zacatecas Te ca Za lim it o fO axa quia Zac. 25 rit |  | | Journal (issue) | | Acanthite with silver, 2.6 cm, from the Uchucchacua mine, Peru; Allan Young collection and photo. Amethyst...Alaska, ca. 1906. She organized her own company to mine the garnets, and may have distributed thousands...that men would be hired as laborers to work the mine and help develop it, but that no men would be involved...September–October, 2019 7 HISTORY had declined and the mine was sold. Today it is formally owned by “the children...Robert Seeber, 1879–1957] of native copper, silver, calcite with copper inclusions, datolite, analcite and |  | | Journal (volume) | | se 7 The Only Mining Journal Pablithed in Mexico. Vhe Mexican Mining Journal Published SKConthly...— Vhe Mexican Mining Journal APARTADO 105 £IS. MEXICO CITY, MEX. THE MEXICAN MINING JORNAL INDEX TO...20 and 1. January to December 1915. Accounts Mine, System Action of Dissolved Air of, in Mill Pulp...and Folation, Air and Temperature in the Deepest Mine in the World,. Air, Compressed, for Ore Flotation...Ore 242 American Society of Mexico, 145,.. 198 American Society of Mexico, Organization of, 158 Analysis |  | | Journal (issue) | | willemite-franklinite ore and on the right by coarse-grained calcite. The specimen is approximately 10″ (25 cm) across...Exploration Adventures in the 1980s in Brazil, by Juan Proaño. **Nighttime Mineral Collecting: 6:00 pm – 10:00...Hill Mining Museum. Collecting permitted on the Mine Run Dump and in the Fill Quarry, Passaic Pit, and...Hill Mining Museum. Collecting permitted on the Mine Run Dump and in the Fill Quarry, Passaic Pit, and...and a fine citrine quartz from San Luis Potosí, Mexico. The Greipels’ second case, titled “Metals,” showed |  | | Journal (article/letter/editorial) | | and (8) a barren outer zone consisting mainly of calcite. The crosscutting relationships and zoning patterns...cobble-sized material, including sandstone, cemented by calcite. At Colquijirca, immediately west of the operating...Zn-bearing siderite-rhodochrosite Barren outer zone Calcite-dolomite Late ore stage Chalcocite-digenite-covellite...amounts of siderite, quartz, and hematite (Fig. 10H). Mine analyses and microprobe data reveal that the siderite...Barren outer zone A barren zone consisting of calcite and subordinate dolomite patches and veinlets occurs |  | | Journal (article/letter/editorial) | | and (8) a barren outer zone consisting mainly of calcite. The crosscutting relationships and zoning patterns...cobble-sized material, including sandstone, cemented by calcite. At Colquijirca, immediately west of the operating...Zn-bearing siderite-rhodochrosite Barren outer zone Calcite-dolomite Late ore stage Chalcocite-digenite-covellite...amounts of siderite, quartz, and hematite (Fig. 10H). Mine analyses and microprobe data reveal that the siderite...Barren outer zone A barren zone consisting of calcite and subordinate dolomite patches and veinlets occurs |
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Proaño Mine, Fresnillo, Fresnillo Municipality, Zacatecas, Mexico