Research Article

Influence of Organic Matter on Gas-Bearing Properties and Analysis of Sedimentary Mechanism of Organic Matter Enrichment: A Case Study on the Yangtze Region of Southern China during the Early Cambrian

Figure 7

The Al-Fe-Mn triangular graph is adopted to explore the source of siliceous minerals in the Siex segment in Well TX-1 in the LCNF. The location of Well TX-1 is shown in Figure 1. I indicates bioorigin; II indicates hydrothermal origin; and III indicates mixed origin.