 | | 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) | | these pseudomorphs are common in that in 1970 Fresnillo seemed to be exhausted. deposits around the world...of pyrargyrite, stephanite, polybasite in Obersachsen (Germany), Fresnillo in Zacatecas and acanthite appeared...1980 Fresnillo and San Juan de Rayas in Guanajuato (Mexico) and has become the richest silver mine in the...ceased vein. The San Juan production by the de Rayas mine in time of World War II. Guanajuato also In 1946...very city In Morocco, the of Oberschlema Bou Azzer mine, itself, which finally already very had to be relocated |  | | 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...time collection,” he said, “collected by a former mine superintendent over a period of many years. Nearly |
|
Proaño Mine, Fresnillo, Fresnillo Municipality, Zacatecas, Mexico