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华南陆缘晚中生代以来大规模的地块离散运动形成了华南陆缘离散地块-地堑系,其演化过程可分为K_2—E_1~3,E_2~1—E_3~1,E_3~2—N_1~1和N_1~2—Q等四个阶段。南海即是该陆缘离散地块-地堑系演化的产物。
Since the Late Mesozoic in the South China continental margin, large-scale massif movement has formed the discrete continental block-graben system in South China. The evolution process can be divided into K 2 -E_1 ~ 3, E_2 ~ 1 -E_3 ~ 1, E_3 ~ 2- N_1 ~ 1 and N_1 ~ 2-Q and other four stages. The South China Sea is the result of the evolution of the continental shelf-graben system.