Vitrinite reflectance of ODP Leg 139 samples (Table 1)

Isolated kerogens from four sites in the Middle Valley hydrothermal region of the Juan de Fuca Ridge (Ocean Drilling Project (ODP) Leg 139) were analysed by electron...采自胡安·德富卡海脊（Juan de Fuca Ridge）中谷热液区四个采样点的分离干酪根（isolated kerogens），其样本取自大洋钻探计划（Ocean Drilling Project, ODP）第139航次，现已通过电子[……]手段完成分析。