 | | Journal (article/letter/editorial) | | nineteenth and early twentieth centuries two species of silver sulphide were distinguished, cubic “argentite”...Fresnillo and San Juan de Rayas in Guanajuato (Mexico) and has become the richest silver mine in the world, in...excellent crystallized specimens (Morocco). of silver minerals. At Schneeberg, Acanthites were veins...ceased vein. The San Juan production by the de Rayas mine in time of World War II. Guanajuato also In...very city In Morocco, the of Oberschlema Bou Azzer mine, itself, which finally already very had to be relocated |  | | Journal (article/letter/editorial) | | and Southern Tianshan: How orogenic are they? Hugo de Boorder ⁎ Institute of Earth Sciences, Utrecht University... . . . . . 2 2 9 9 10 10 13 17 20 20 21 2 H. de Boorder / Ore Geology Reviews 46 (2012) 1–31 4.3...According to Bouchot et al. (2005) these features H. de Boorder / Ore Geology Reviews 46 (2012) 1–31 3 ...Calc-alkaline K-rich monzogranites, gabbro, granodiorite El Valle-Bonas 303 ± 6 WR, ser, phl; Carlés 305 ± 6 K/Ar...Doblas et al. (1988) Romer and Soler (1995) H. de Boorder / Ore Geology Reviews 46 (2012) 1–31 Iberia |  | | Journal (issue) | | ...7 Lucara Going Underground at Karowe Diamond Mine........................................8 AROUND...Bar at Gold Road Mine........ 12 Asia: Centerra Gold Suspends Operations at Kumtor Mine..................the sessions, presentations from consultants, a mine planner and regulators offered advice on how to...has been compressed to one year. That means that mine planners and consultants must do much more work...acquisition adds a large-scale, long-life Canadian mine with current production of about 600,000 ounces |
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