No abstract

The South China Sea (SCS) is one of the largest marginal seas in the western Pacific and is located at the junction of the Eurasian, Philippine Sea, and Indo-Australian plates (Figure 1). The SCS can be divided into the northwest subbasin, east subbasin, and SW subbasin. Despite its relatively short evolution history, the SCS has undergone a series of tectonic and magmatic processes, including continental rifting and breakup, seafloor spreading, and subduction, together with extensive magmatism (e.g.,