(Table 3) Major element content of whole-rock samples of DSDP Leg 30 holes

All norms were calculated with an atomic ratio of Fe+3/Fe+2 = 0.2, except analysis 7 which was calculated directly from the analysis.除第7组分析数据外，所有标准计算值均按照三价铁（ferric iron, Fe³+）与二价铁（ferrous iron, Fe²+）的原子比为0.2进行计算；第7组分析数据则直接基于其原始分析结果完成计算。