 | | Journal (issue) | | COVELLITE crystal cluster, 3 cm across, From the Leonard mine, Butte, Montana. Frederick H. Pough collection;...(rightbackground) mines, Butte, ca. 1965. World Museum of Mining photo. 6 The Mineralogical Record, volume 33...hole.” The ground in the Butte mining camp, especially in the Kelley mine, was just full of vug holes ...World Museum of Mining is also located in Butte, at the site of the old Orphan Girl mine. . . . So wrote...an underground stope at Butte, Montana’s Kelley mine in the early 1970’s (Dolph, 1994). The wonderful |  | | Journal (article/letter/editorial) | | (rightbackground) mines, Butte, ca. 1965. World Museum of Mining photo. 6 The Mineralogical Record, volume 33...hole.” The ground in the Butte mining camp, especially in the Kelley mine, was just full of vug holes ...World Museum of Mining is also located in Butte, at the site of the old Orphan Girl mine. . . . So wrote...an underground stope at Butte, Montana’s Kelley mine in the early 1970’s (Dolph, 1994). The wonderful...only comprehensive mineralogical study of the district. This work is as valuable today as it was 37 years |  | | Book | | COME FROM? 025 Mining for gems Revealing the treasures of the Earth Large-scale mining for precious materials...malachite and turquoise, as by-products. Much gem mining is relatively small scale, however, and is often...the Superpit is Australia’s largest open pit gold mine and is one of the largest open pit mines in the...brooch | This Anglo-Saxon bird brooch made of a copper alloy was found at Bekesbourne Anglo-Saxon cemetery...Green Dresden Green | Probably from the Kollur Mine in India, this 41-carat natural green diamond is |  | | Book | | from power stations fuelled by locally mined coal. Mining directly employs half a million people and another...million people formally employed in the country. The mining industry returns billions to the economy in operating... taxes, royalties, dividends and interest. The mining industry, and the minerals on which it relies,...(field of view 8 cm). Figure 1.3 An opencast iron ore mine (Postmasburg, South Africa). 7 microscopes, or...from Kayes region, Mali); (C) grossular (Jeffrey mine, Canada, 5.6 cm); and (D) spessartine (Marienfluss |  | | Book | | much biased by science with too little sense of mine for beauty) will keep his memory and work, alive...so as to render mining of these rare-element pegmatites feasible. The traditional mining of pegmatitic...aplitic rocks. In light of more than 1000 years of mining and an intensive study of the deeper parts of the...deposits in the region are not very promising and mining in Germany is obviously a profession of the past...mineralogists and become an operational target for mining geologists. In an idealistic transect through the |  | | Book (edition) | | small -octavo translation of Cronstedt's work on Mine ralogy, containing, as an appendix, two very creditable...and can indeed be clearly proved, that the Swedish mine master, Von SVARB, was in reality the author of...M. Hutchings,, the well-known metallurgist and mining engineer, and one of the most brilliant English...actions of sublimates, as it is a little addition of mine to this invention lately described in the Chemical...bixo .ZA . Ca. Na . Oxides . Fe . .91 OsH San . As . H2 . O Fig . 77 . Fig. 77. — Glass slabs |  | | Book | | Experimentalist – Writer 31 Georgius Agricola – A Renewer Of Mining And Metallurgical Technique 34 New Winds in the...Silver Minerals 133 Silver Resources and Reserves 134 Mine Production of Silver 134 Silver Manufacture – Metallurgical...Many Regions 144 A Model for the Development of Mining and Metallurgy 145 Copper in the Roman Empire 145...Technology 146 Brass – Copper and Zinc 147 The Copper Mine in Falun 148 Copper Ores 151 Copper Minerals 151...… 469 ... But China Has Most of It 470 Worldwide Mine Production and Reserves 471 Separation of the RE |
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