Research Article

The Early Cambrian Mianyang-Changning Intracratonic Sag and Its Control on Petroleum Accumulation in the Sichuan Basin, China

Figure 9

Conceptual model of high-quality reservoir rocks of Early Cambrian Longwangmiao Fm in the central Sichuan basin. ((a) Paleo-structure of Longwangmiao Fm at the end of Permian, (b) hydrocarbon charging model of Qiongzhushi Fm).
(a)
(b)