(Table 4) Geochemistry and minerals of diabase at DSDP Holes 63-469 and 63-471

The norms were calculated after Fe2O3 was reduced to FeO so as to have Fe2O3/FeO = 0.25.在将三氧化二铁（Fe₂O₃）还原为氧化亚铁（FeO）后计算得到相关基准值，且使Fe₂O₃与FeO的比值为0.25。