Geofluids / 2017 / Article / Fig 1

Research Article

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

Figure 1

(a) Generalized Late Neoproterozoic-Early Cambrian palaeogeography of the “Peri-Gondwanan Margin” and its petroleum system (modified from Craig et al. [2]). (b) Late Neoproterozoic-Middle Cambrian Stratigraphic column for the South China block. (c) The Digital Elevation Map (DEM) showing the topography and intracratonic sag in the Sichuan basin, the red lines indicating 2D seismic profiles to unravel the sag structure, and the black dotted line showing 3D seismic data of the Gaoshiti-Moxi area. (d) Insert: map of the basic tectonic framework of China.

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