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早在二十年代初期,李四光教授在研究中国和东亚各种类型构造体系的时候,就明确指出地壳表面存在着沿一定纬度分布的东西向构造带。以后又进一步讨论了它们长期发展的历史和它们在全球的规模。他从不同类型构造体系在地壳上分布和排列的规律,探索构造运动的起源,认为这些构造体系所表现的方向性显然与地球的旋转轴有一定的联系,它们的成生与地球自转角速度的变化密切相关,当地球自转角速度发生变化时,它的离心惯性力也随着发生变化,离心惯性力的水平分力推动着地壳的定向水平运动——经向和纬向水平运动。
As early as the early 1920s, Professor Li Siguang pointed out clearly that there is an east-west tectonic belt distributed along a certain latitude on the surface of the crust when studying various types of tectonic systems in China and East Asia. The history of their long-term development and their global scale are further discussed later. From the laws of the distribution and arrangement of different types of tectonic systems on the crust, he explores the origin of tectonic movements and believes that the directionality of these tectonic systems clearly has some connection with the Earth’s axis of rotation, and their growth rate and the angular velocity of the Earth’s rotation The variation is closely related. When the angular velocity of the Earth’s rotation changes, its centrifugal inertial force also changes with the horizontal component of the centrifugal inertial force, which promotes horizontal movement of the crust in horizontal and vertical directions.