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冲绳海槽位于东亚大陆东南边缘,北起日本九洲,南达我国台湾,为一NNE向朝太平洋凸出的弧形舟状盆地。由于受欧亚、太平洋、印度洋三大板块的相互作用,形成了独特的构造格局。研究其地质构造特征和形成演化历史,对于揭示洋、陆壳的过渡转化规律,查明沟弧盆体系的构造特征,弄清边缘海盆的发生发展特性有重要的科学意义。所以,中外学者对这一
The Okinawa Trough is located on the southeastern margin of the East Asian continent, starting from Jiuzhou in the north and reaching Taiwan in China, forming an arc-shaped boat-shaped basin protruding toward the North Pacific Ocean from the NNE. Due to the interaction of the three major plates of Eurasia, the Pacific Ocean and the Indian Ocean, a unique structure has been formed. Studying its geological tectonics and evolution history has important scientific significance for revealing the transitional transformation rules of oceanic and continental crust, identifying structural features of the arc-arc basin system, and clarifying the genesis and development of the marginal basin. Therefore, Chinese and foreign scholars on this one