Genesis of the Early Indosinian Darongshan Granitoid in South China: Response to the Subduction of the Eastern Paleo-Tethys Ocean

Figure 14

Tectonic evolution model for the eastern Paleo-Tethys during the Early Permian to Late Triassic: (a) earliest Permian: back-arc basin setting [24], north-direction subduction of the eastern Paleo-Tethys [91–93]; (b) earliest Triassic: subducted oceanic crust was further enhanced ca. 250 Ma, with a series of phenomena such as slab melting, breakup, and foundering (in response to a significantly increased geotherm, a major magmatic event occurred in South China [24, 93]); (c) Middle to Late Triassic: amalgamation and initial collision of the SCB and ICB [24, 95, 112].