in addition, the formation and evolution models of planation surface under various climate and tectonics still need to be generalized and abstracted.
不同气候和构造环境下,夷平面的形成和演化过程仍需科学地概括和抽象。
phase-transition analysis, age-boundary line analysis, correlation and crust of weathering analysis are all used in determining the age of the planation surface.
本文介绍了相过度法、年界法、相关沉积法和风化壳法等测定夷平面年龄的方法。
the planation surface in west yunnan was universally deformed, and the deformation is generally belonging to two types; one is the large area tilting deformation.
夷平面普遍受到两种变形,一种是大面积的掀斜变形,夷平面高度由西北向东南方向递减;另一种为断裂变形,夷平面呈地堑式下降或地垒式上升。
as important constituent of planation surface, the weathering crust is the spot of planation surface research to cut into.
作为夷平面的重要组成部分,风化壳是夷平面研究的切入点。
in china, a main response is the rejuvenation of planation surface researches.
在国内,夷平面研究的「回春」是其一个主要的表现形式。
the dating of planation surface is still an intractable problem.
而另一方面,夷平面的定年仍是一个棘手的问题。
the peninsula existent multiple planation surfaces. this article mainly studies in the planation surfaces in the limestone areas of liaodong peninsula.
本文中主要研究辽东半岛内的石灰巖地区的夷平面。
it was observed that the relative deposits of the tertiary ieokarst, i e , limestone residual laterite, are widely distributed on the main planation surface of plateau of tibet.
对青藏高原主夷平面上分布的风化壳红土进行了沉积地球化学和矿物学方面的研究。
field observation and analysis of the dem of western sichuan plateau indicate that, there are two planation surfaces and one erosion surface in western sichuan plateau.
野外地质地貌调查和对川西高原dem的分析结果表明,川西高原存在两级夷平面和一级剥蚀面。
ma, and lakes and top lacustrine deposits of wudaoliang group became base surface for erosion and peneplanation since late miocene, which formed planation surface or peneplain of the tibetan plateau.
中新世晚期—第四纪以湖面与五道梁群湖相沉积顶面为基準,在高海拔环境下继续发生剥蚀夷平和準平原化,逐步形成主夷平面或高原面。
during tertiary period, the secondary enrichment happened to the gold in weathering crust of planation surface.
在第三纪,夷平面上的风化壳中的金经历了重要的次生富集作用;
during the pliocene to early pleistocene strong nw-se crustal extension resulted in disintegration of the planation geomorphology and formation of a graben basin in the area.
上新世至早更新世时期,强烈的nwse向地壳引张导致太行山隆起南段夷平地貌的解体和地堑盆地的形成。
the planation surface is the hot spot in recent geography educational world as the best 「the stratum」 symbol of geomorphology.
夷平面作为地貌学上最好的「地层」标志,是最近地理学界的热点。