论文部分内容阅读
<正>A combination of the available stratigraphical,structural and sedimentary information from NE China defined a new tectonic process of NE Asian continental margin evolving from a continental block collision,through its departure to Andean-type subduction during the late Cretaceous.The Cretaceous basins in NE China can be subdivided into three NEN-trending groups,the eastern,central and western zones respectively.