(Page 290) Composition of a manganese deposit sample from the Todoroki Mine, ...
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The Todoroki Mine is situated about 25 kilometers to the south-east of Ginzan railway station in Siribesi Province, Hokkaido. The author analysed an interesting specimen of...
轰矿山（Todoroki Mine）坐落于北海道后志省（Siribesi Province）银山站（Ginzan Railway Station）东南约25公里处。笔者对一件颇具研究价值的标本进行了分析……
