过渡岩系
The studies show that the rocks in Okinawa Trough is of a subalkaline rock series. The basic rocks belong to a transitional form between tholeiite series and calc alkalic series while most of the intermidiate rocks and acid rocks belong to calc alkalic series.
研究表明,冲绳海槽火山岩均属亚碱性系列,基性岩具有拉斑玄武岩系列和钙碱性系列的过渡性,中、酸性岩多属钙碱性系列;
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