摘要
本文提出了地壳的构造运动,本质上是地壳与岩层的均衡差运动。它主要由重力作用产生的三种形式的差应力所推动:一是地球整体意义上的真正的重力均衡差应力;二是水平向的均衡差应力;三是垂直向的均衡差应力。本文讨论了这三种差应力产生的机制与规律,三种均衡差运动的规律与地壳实际构造运动普遍存在的对应关系,此外还讨论了地壳构造运动不息的主要原因。
The paper puts out the crustal tectonic movement,in fact,that is isostatic differential stress movement between the crust and the rock stratum.The movement is developed by three kinds of differential stress mainly caused by the action of gravity:(1)Truely gravity isostatic differential stress in the globle meaning;(2)Horizontal isostatic differential stress;(3)Vertical isostatic differential stress.The paper is discussed the mechanism and law of the three stresses and the law is corresponding with crustal tectonic movement,and it is also discussed the main reason that crustal tectonic movement is never stopped.
出处
《高原地震》
1996年第1期36-40,共5页
Plateau Earthquake Research
关键词
地壳构造运动
均衡差应力
地球
Crustal tectonic movement
Isostatic differential stress
Earth