Based on the research of geology and geophysics, the authors raise a concept of wedge structure of lithosphere, a structural model of lithosphere in Sichuan Basin and its adjacent areas.

• 首次运用接触应变理论分析研究了四川盆地褶皱构造接触应变现象,通过地质、地球物理研究提出四川盆地及邻区岩石圈结构模式和岩石圈楔入构造的概念。