'MAGNETIC' NATIVE GOLD
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dc.contributor.author | Yakubovskaya N.Yu. | |
dc.contributor.author | Spiridonov E.M. | |
dc.contributor.author | Ponomareva I.A. | |
dc.contributor.author | Gapeyev A.K. | |
dc.contributor.author | Sokolova N.F. | |
dc.contributor.author | Mitreykina O.B. | |
dc.contributor.author | Devnina N.N. | |
dc.date.accessioned | 2020-10-06T05:04:54Z | |
dc.date.available | 2020-10-06T05:04:54Z | |
dc.date.issued | 1989 | |
dc.identifier | https://elibrary.ru/item.asp?id=31076328 | |
dc.identifier.citation | Transactions (Doklady) of the USSR Academy of Sciences. Earth Science Sections, 1989, , 6, 152-155 | |
dc.identifier.issn | 0891-5571 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/17702 | |
dc.description.abstract | A puzzling feature in the mineralogy of gold was the presence of native gold with uniformly strong magnetic susceptibility, considered to be a solid solution of iron in gold. The authors investigated what was described as 'magnetic' native gold from Yakutian placers. Judging by published reports, specimens of such gold with 3 to 4 percent Fe are known in ore deposits of the Urals and Kolyma River region. The iron content of normal native gold, as determined by electron-microprobe analysis, ranges from traces to 0.2 weight percent. Both large and small specimens are uniformly magnetic. Thus, they established by various methods that 'magnetic' native gold is not a solid solution of iron in gold, as earlier supposed, but is a matrix of silver-rich gold with inclusions of minute magnetite crystals. It also contains about 0.1 percent copper. | |
dc.title | 'MAGNETIC' NATIVE GOLD | |
dc.type | Статья |
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