T Deng, Y Li, Z Wang, Q Yu, S Dong, L Yan… - Marine and Petroleum …, 2019 - Elsevier
The first, third and fifth members (henceforth referred to as T 3 x 1, T 3 x 3 and T 3 x 5,
respectively) of the Upper Triassic coal-bearing Xujiahe Formation black shale are among …