Description of manganese deposits from the Todoroki mine, Hokkaido area, Japan

Manganese deposits are abundant in various places in the Oshima Peninsula southwest of Hokkaido. This is particular the case of Todoroki Mine situated about 25 kilometers to...北海道西南部的渡岛半岛（Oshima Peninsula）境内多处均赋存有丰富的锰矿（manganese deposits）。坐落于约25公里处的登吕流矿山（Todoroki Mine）便是这一情况的典型代表，其位于……