General descriptions, organic contents and geolipid ratios at DSDP Leg 72 Holes

Organic matter in sediments from Sites 515, 516, and 517 reflects a history of low marine productivity and of oxygenated bottom waters in the western South Atlantic since the...南大西洋西部515、516及517站位沉积物中的有机质，反映了自……以来该区域长期处于低海洋生产力且底层水含氧的历史。