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加藤 昭 , 清水 正明 , 岡田 嘉夫

… Semseyite coats galena grains, which is the unique direct associate, and the galena perches on coarse-grained pyrite forming hollow hemisphere aggregates with an iron-rich sphalerite. … No boulangerite is found therein despite its compositionally intermediatary nature between galena and semseyite and its occurrence in the other part of the same orebody. …

Bulletin of the National Science Museum. Series C, Geology & paleontology 23(3/4), 79-86, 1997-12

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松原 聡 , 斎藤 靖二 , 加藤 昭

… They are associated with minor millerite, galena, sphalerite, and a tennantite-tetrahedrite series mineral. …

Bulletin of the National Science Museum. Series C, Geology & paleontology 19(4), 127-137, 1993-12

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佐々木 弘 , HARP I. Flor de Maria , 村松 淳司 , 臼井 進之助

… A study was made to determine the potassium ethyl xanthate, KEX, concentration in galena aqueous suspensions using a silver electrode in comparison with ultraviolet spectroscopy (UV). … In the absence of galena the electrode potential method gave unreliable results at the KEX concentrations less than 1×10^<-4>M. … On the other hand, in the presence of galena it was possible to determine the KEX concentration as low as approximately 10^<-6>M. …

東北大學選鑛製錬研究所彙報 46(1), 26-31, 1990-09-29

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南部 松夫 , 谷田 勝俊 , 北村 強 , 加藤 栄一

… Tne ore minerals are composed of native gold, argentite, pyrargyrite, pyrite, chalcopyrite, galena and sphalerite. …

東北大學選鑛製錬研究所彙報 37(1), 11-20, 1981-10-20

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