ancient landform meaning in English
古地貌
古地形
古老地形
Examples
- ( 3 ) ancient landform in the district may be divided to three belts : karst highland ( piyaman area ) , karst incliningcthe centre in the area ) and karst depression ( three depressive sink from west to east in the north area )
( 3 )研究区内的古地貌可划分为三个带：岩溶高地(皮牙曼地区) 、岩溶斜坡(研究区中部地区) 、岩溶洼地(由研究区北部自西向东的三个洼陷构成) 。 - On the base of fully utilizing the available data about tectonic maps and structural elements , the present paper has made synthesized research that used the ways of stratigraphic sequence edge unconformity analysis and stratigraphic thickness correlation analysis , and combined seismic - data interpretation , review of paleo - structure and ancient landform and research of tectonic evolution and petroleum system , and combined region and location , plane and profile and time and spatial . by the synthesis analysis on tectonic evolution of hetian paleo - uplift in tarim basin , the results indicate that : ( 1 ) hetian paleo - uplift is a sedimental and erosional paleo - uplift . the formation and evolution of the hetian paleo - uplift experienced three stages , that is , the uplifting and eroding stage of the caledonian period , the depositional stage of the hercynian period and the destroying stage of the himalayan period , and evolved from paleo - lift to inclining strap at last
本文采用地质和地球物理相结合的研究思路，运用多种技术手段和方法；在充分利用已有构造图资料和构造要素资料的基础上，运用地层层序边界不整合分析法、地层厚度对比分析法，结合地震资料的精细解释、古构造和古地貌的恢复、构造演化史研究、含油气系统的研究，和区域和局部、平面和剖面、时间和空间的结合研究，对塔里木盆地和田古隆起构造演化及油气关系进行了综合分析，认为： ( 1 )和田古隆起为一沉积?剥蚀性古隆起；形成于志留-泥盆纪；其构造演化可分为三个阶段，即加里东期的抬升剥蚀阶段、海西期的沉积阶段和喜山期的破坏阶段，最终由古隆起演变为一斜坡带。