(Table 1) Sediment characteristics at DSDP Hole 75-532A

Orientation and geometry of pores as well as sediment compressibility can be approximated by determining the shrinkage behavior of standardized samples. The sections investigated show that these measurements are influenced by changing sediment composition. This is also well documented by the relationship between void ratio and overburden pressure. Median pore-diameter calculations clearly reflect both sediment composition and compaction.通过测定标准试样（standardized samples）的收缩特性，可近似表征孔隙的取向与几何形态，以及沉积物压缩性（sediment compressibility）。本次研究所涉及的区段表明，此类测量结果会随沉积物组成的变化而受到影响。孔隙比（void ratio）与上覆压力（overburden pressure）之间的相关关系也充分印证了这一结论。孔隙中值直径（median pore-diameter）的计算结果可清晰反映沉积物组成与压实程度两方面的特征。