It is shown from the analysis results of stratum and carbonate content in core CSH1 from the northern Okinawa Trough that the core has recorded the carbonate sediment characteristics, and its carbonate sedimentation type is of the Atlantic carbonate type.

• 对冲绳海槽北部CSH1岩芯地层及岩芯碳酸盐含量的分析表明,该岩芯记录了氧同位素3期以来的碳酸盐沉积特征,其碳酸盐沉积类型属于"大西洋型"。