Carbon content of Hole 325-M0058A

Total organic carbon (TOC) content was determined on bulk ground samples [ 1 g of sample]. The analytical precision is about ±0.02% absolute.总有机碳（Total organic carbon, TOC）含量通过称取1克研磨后的全量样品进行测定，其分析精密度约为±0.02%的绝对偏差。