等深流沉积是在深水环境中由地转循环底流形成的或主要受地转循环底流改造而形成的沉积物，它们是在本世纪六十年代才被识别出来的。现已发现，在现代海洋中，等深流沉积覆盖了大面积的海底地区，常沿大陆边缘发育成大型等深岩丘。等深流沉积的相变与区域古海洋环境及底流... Isochronous sediments are sediments formed in the deep-water environment by the grounded circulation underflow, or mainly by the grounded circulation underflow, which were not recognized until the 1960s. It has now been found that in the modern ocean, isobathic sediments cover a large area of ​​the seabed and often develop into large isopachs along the continental margin. Isochronous sedimentary facies change and the regional ancient marine environment and underflow ...