Geochemical Characteristics of the Middle Devonian Dacaozi-Tanshanping Shale Strata in the Yanyuan Basin, Southwest China: Implications for Organic Matter Accumulation and Preservation

Figure 6

Paleoproductivity, paleoredox, paleosalinity, paleoclimate, relative sea level, and TOC content of Well Yunningdi-1 in the Tanshanping Formation and Dacaozi Formation in the Ninglang-Yanyuan area (see Figure 2 for the well position).