Liu Shang ren. The Formation,Development and the Utilization of the Landform of the North of Guongdong[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 1986,25(1):57-64.
Liu Shang ren. The Formation,Development and the Utilization of the Landform of the North of Guongdong[J]. Acta Scientiarum Naturalium Universitatis SunYatseni, 1986,25(1):57-64.DOI:
粤北地貌的形成发育和生产利用
摘要
粤北地貌宏观结构具网格型式
网格内部是盆地
棱边是山地
属次生构造地貌.燕山运动完成了本区构造地貌轮廓
喜山运动是丹霞地貌和北江水系形成发育的重要内力因素
本区新构造运动以大面积间歇拾升为主
幅度不大
新第三纪以来抬升可达700米或更多
据古地磁资料分析
近100万年以来抬升约达70米.不同地层岩性的垂向差别侵蚀尺度目前已达n×100米数量级
而近100万年以来构造运动幅度差异只有n×10米数量级
所以粤北地貌主要是在100万年以前地壳运动基础上经长期侵蚀形成的
而不是近100万年来活动构造的差异性活动造成的.本文还讨论了各地貌类型组合与各种资源条件的关系
并提出有关生产利用建议.
Abstract
The macrostructure of the landform of the North of Guangdong appearsas a net pattern.There are basins in the interiors of nets
mountainous regionsin the arrises of nets.The neotectonic movement in this area is chiefly charac-terized by extensive
spasmodic uplift.The uplift may arrive at 700 m or moresince Neogene Period
at 70m since a million years late.The vertical differentialerosion scales in distinct rock stratums and lithologies have arrived at n×100mmagnitudes.The forming of landform of North of Guongdongmainly is not thatmoving tectonics moved differentyl since a million years
but is that was erodedfor a long time on the basis of crustal movement befor a million years.The thesisis yet discussed the relationship between the groups of landform type andconditions of various resources and is raised proposals concerning utilization.