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.
南海是东亚大陆边缘的巨型陆缘海，属大陆—大洋过渡型地壳构造区。
The South China Sea is a huge marginal sea at East-Asian continental margin, and a tectonic region of the transitional crust type from continental to oceanic.
其中大约三亿六千万平方公里，即地球总面积的71%，为各大海洋和陆缘海。
Of this total, approximately 360 million square kilometers, or 71 percent, are represented by the oceans and marginal seas.
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