(Table 1) Category and total organic carbon of sediment core ABC26

PO, postsapropel; OS, oxidised; (Mn), sample from the manganese marker bed; VS, Visible S1; PR, presapropel (*=no organic geochemical data available)PO，postsapropel（腐泥后沉积层）；OS，氧化相；(Mn)，取自锰标志层的样品；VS，Visible S1（可见S1）；PR，presapropel（腐泥前沉积层），其中*代表无有机地球化学数据