Early Cambrian syndepositional structure of the northern Tarim Basin and a discussion of Cambrian subsalt and deep exploration

GUAN Shuwei,ZHANG Chunyu,REN Rong,ZHANG Shuichang,WU Lin,WANG Lei,MA Peiling,HAN Changwei

Table 1 Comparison of average Mo/TOC values of black shales in the Aksu and other regions.

Region Mo/TOC Aksu, northern Tarim Lower Yurtus shale 8.11 Upper Yurtus shale 4.97 Black Sea 4.5±1 Framvaren Fjord 9±2 Cariaco Basin 25±5 Saanich Inlet 45±5