Total organic carbon, bitumen ratio, hopane and sterane parameters of ODP Sit...

Notable compositional changes of organic matter are observed below the silica transition zone in thermally immature sediments. The increase of bitumen ratio, and hopane and...在热未成熟沉积物的二氧化硅过渡带下方，可观测到有机质发生显著的组成变化。沥青比值、藿烷（hopane）以及……均出现升高。