Annotated record of the detailed examination of Mn deposits from DSDP Leg 25 ...

Pelagic deposits are the dominant contributors to the sediment layers that blanket ridges and basaltic sea floor in deep basins. Among pelagic constituents, nannofossils...远洋沉积物（pelagic deposits）是覆盖深海盆地内海岭与玄武质海底的沉积层的主要构成组分。在远洋组分（pelagic constituents）中，超微化石（nannofossils）……