(Table 9) Chemical composition of whole rocks from DSDP sites

Fe2O3, FeO, CIPW norms, and FeO/MgO ratios have been calculated from total iron using a Fe2O3/FeO ratio of 0.15.三氧化二铁（Fe2O3）、氧化亚铁（FeO）、CIPW标准矿物（CIPW Norms）以及FeO/MgO比值，均以0.15的三氧化二铁与氧化亚铁比值为基准，通过全铁数据计算得到。