The author deems that the geotectonic background of synvolcanic stage was the continental crust upliftsing and following riftings,and was not oceanic crust and its subdution-collision.

• 对同火山作用期的构造背景进行了重点探讨，认为它是大陆型地壳隆升及其后的裂陷环境，而不是大洋型地壳及其俯冲-碰撞环境。