This newidea is supported by the formation of the foreland bulge in the vast area of central Sichuanbasin in correspondence with the fie-cural subsidence of the foreland basin during the middle and late Ladinian.

• 这点可由拉丁中晚期时，四川盆地川冲广大地区形成与前陆挠曲沉降相对应的前陆隆起得以证明。