Research Article
Extremely High Primary Productivity and Organic Matter Enrichment in Lacustrine Sediments: Late Triassic Chang 73 Sub-Member, Western Ordos Basin
Figure 9
Discrimination diagram of S2 versus total organic carbon (TOC) for source rock evaluation [29]. Note that the P, M, G, V, and E represent the poor, moderate, good, very good, and excellent, respectively.