中科大杨永太教授质疑了传统的从距今3亿年前到现今古太平洋洋壳一直在俯冲东亚大陆边缘的学术观点,并首次提出在白垩纪,鄂霍次克陆块与东亚边缘发生了强烈的陆陆碰撞,该事件极大地影响了整个东亚地区的地质演化和气候变迁。当前的鄂霍次克陆块位于俄罗斯东南部,被鄂霍次克海覆盖。在距今2亿年前 Professor Yang Yongtao of the Chinese University of Science and Technology challenged the traditional academic view that the ocean crust has been subducting the edge of the East Asian continent from the age of 300 million years ago to today and for the first time suggested that during the Cretaceous period, the strongholds of the Okhotsk landmass and the East Asian border Land-to-land collision, which greatly affected the geological evolution and climate change throughout East Asia. The current Okhotsk landmass is located in southeastern Russia and is covered by the Sea of ​​Okhotsk. 200 million years ago