大坂山矿带在早古生代由一个火山弧和陆缘海槽演化而来。
The ore zone of Daiban mountain has evolved from an epicontinentaloceanic trough and a volcanic island-arc during early paleozoic time.
大坂山矿带在早古生代由一个火山弧和陆缘海槽演化而来。
The ore zone of Daiban mountain has evolved from an epicontinentaloceanic trough and a volcanic island-arc during early paleozoic time.
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