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国家自然科学基金资助项目（Ｎｏ．４９６７６２９０，１９９７～１９９９）“冲绳海槽晚更新世以来环境演变的矿物 地球化学记录” ,根据表层和柱状样品的成因矿物学和地球化学研究 ,重建了冲绳海槽中部自晚更新世以来的环境演变历史。沉积物的ＴｉＯ２ （ＴＦｅ２Ｏ３ +Ｍｇ
According to the mineralogical and geochemical records of the surface and column samples, the Okinawa Sea was reconstructed from the mineralogical and geochemical records of the environmental evolution of the Okinawa Trough since the late Pleistocene, funded by the National Natural Science Foundation of China (No.49676290, 1997 ~ 1999) The central part of the trough since the Pleistocene environmental evolution history. Sediment TiO2 (TFe2O3 + Mg