Figure 1

Location of the Hongmiaozi Basin, drilling position and stratum distribution. (This figure was drawn by CorelDRAW Graphics Suite 2019, vision number: 21.3.0.755, url: https://www.corel.com/cn/).

Location of the Hongmiaozi Basin, drilling position and stratum distribution. (This figure was drawn by CorelDRAW Graphics Suite 2019, vision number: 21.3.0.755, url: https://www.corel.com/cn/).