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首页> 外文期刊>Mineralogical Magazine >The distribution and recovery of gold in the Golden Sunlight gold-silver telluride deposit, Montana, U.S.A.
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The distribution and recovery of gold in the Golden Sunlight gold-silver telluride deposit, Montana, U.S.A.

机译：美国蒙大拿州Golden Sunlight金银碲化物矿床中金的分布和回收

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摘要

The gold balance in an ore deposit where the ore is treated by cyanide is the sum of the 'visible gold' that is amenable to cyanidation and 'visible gold' and the invisible gold', which are not amenable to cyanidation. Petrographic analyses, electron and ion microprobe as well as scanning electron microscope studies of ore from the Golden Sunlight deposit, Montana, suggest that periods of relatively poor gold recoveries are primarily due to the presence of inclusions, <25 #mu#m in size, of native gold, petzite, calaverite, buckhornite and krennerite. These are encapsulated in cyanide insoluble grains of pyrite, chalcopyrite and tennantite and are present in the tailings. This contribution probably accounts for 3-25percent of the unrecoverable gold processed during the life of the mine. Minor amounts (6-7percent) of 'invisible gold', as indicated by ion microprobe studies and the presence of up to 5percent 'visible gold' in buckhornite, which is rare in nature, appears to account for the remainder of the gold budget.
机译：用氰化物处理矿石的矿床中的金余额是适合氰化的“可见金”与不适合氰化的“可见金”与不可见金的总和。岩相分析，电子和离子微探针以及来自蒙大拿州金色阳光矿床的矿石的扫描电子显微镜研究表明，金回收率相对较差的时期主要是由于夹杂物的存在，尺寸小于25＃μm，包括原生金，铅锌矿，钙钛矿，巴克镍矿和锂锰矿。它们被包裹在不溶于黄铁矿，黄铜矿和球铁矿的氰化物中，并存在于尾矿中。这一贡献可能占矿山生命周期内不可回收黄金加工量的3-25％。离子微探针研究表明，少量的“看不见的金”（占6-7％）以及在自然中稀有的沙棘矿中存在多达5％的“看不见的金”，这似乎占了黄金预算的其余部分。

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