The classical model considers the ASRR as a left-lateral transtension strike-slip fault which cuts through the entire lithosphere, which resulted in the spreading of South Chna Sea.

• 前人研究认为哀牢山红河剪切带的左移活动引发南海的张裂，因此象背山变质岩带受到横移拉张的应力所控制。