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岩溶的发育不但有一定的空间分布规律,而且在时间上也大多和地壳发展的一定阶段相对应。研究某一时期岩溶发育的形态特征、营力因素和相关堆积作用等就是岩溶发育的阶段性研究。岩溶发育的阶段性表现是内力和外力地质作用相互斗争和统一的结果。因为内力——地壳运动和外力——气候变化都有其一定的周期性,所以岩溶的发育也具有一定的周期性。在地壳稳定阶段,地营力以
The development of karst not only has certain spatial distribution law, but also mostly corresponds with the certain stage of crustal development in time. Studying the morphological characteristics of karst development, the caving factors and the related accumulation in a certain period are the stage studies of karst development. The staged performance of karst development is the result of the mutual struggle and unification of the geological and external forces. Because of internal forces - crustal movement and external forces - climate change has its own cyclical, karst development also has a certain period. Stabilization in the crust phase, to camp to power