Subduction-related middle Permian to early Triassic magmatism in central Hainan Island, South China

There was extensive Permian to Triassic magmatism in Hainan Island, southern part of the South China Block (SCB), which began earlier and exhibits different rock types and geochemical characteristics compared to the Indosinian magmatism in the hinterland of the SCB. Two stages of magmatism have been identified in central Hainan Island in this study. The first-stage magmatism (253–262 Ma) is characterized by strongly deformed granites. These...