1) alluvial depositional system
冲积沉积体系
2) alluvial fan sedimentary system
冲积扇沉积体系
3) sedimentary system
沉积体系
1.
s_4 sedimentary system and its distribution in Damintun depression;
大民屯凹陷沙四段沉积体系特征及展布
2.
A study on Paleogene sequence stratigraphy and sedimentary systems and a discussion on hydrocarbon exploration directions in Qinnan depression;
秦南凹陷古近系层序地层和沉积体系研究及油气勘探方向探讨
3.
Types and characteristics of sedimentary system of upper Palaeozoic erathom sandstone gas reservoir in the central part of Ordos Basin.;
鄂尔多斯盆地中部上古生界砂岩气层沉积体系类型及特征
4) depositional system
沉积体系
1.
Study on sequence stratigraphy and depositional system in gentle slope of sag lake basin——Taking Luxi area in Junggar Basin as an example;
坳陷湖盆缓坡层序地层及沉积体系研究——以准噶尔盆地陆西地区为例
2.
Permo-Carboniferous paralic depositional systems in the Daniudi gas field and its near-source box-type gas accumulation-forming model;
大牛地气田石炭—二叠系海陆过渡沉积体系与近源成藏模式
3.
Source analysis and depositional systems of Upper Triassic early and mid-term Yanchang Formation in Longdong area;
陇东地区上三叠统延长组早中期物源分析与沉积体系
5) depositional systems
沉积体系
1.
The characteristic of sequence stratigraphy and depositional systems of the Palaeogene Kuqa depression;
库车坳陷古近系层序和沉积体系发育特征
2.
In order to ascertain provenance of Permian system in the studied area and grope for distribution regulation of depositional systems and gas reservoirs,provenance analysis of clastic rocks in Permian System at southeast area of Ordos Basin is conducted from the features of peripheral ancient land of the basin,lithology,tectonic property,cathodoluminescence features of quartz,ty.
为确定该区二叠系的物源方向,探索沉积体系和天然气储层的分布规律,从盆地周缘古陆特征、岩石类型、构造属性、石英阴极发光特征、岩屑类型、重矿物组合、古流向及地球化学等方面对鄂尔多斯盆地东南部二叠系碎屑岩进行了源区分析。
3.
There are 5 and 3 fan-delta depositional systems developed respectively along the western and eastern margin fault.
大量地震、录井、测井资料沉积学分析表明,松辽盆地北部西部断陷带登娄库组三段发育的沉积体系有扇三角洲、湖泊和湖底扇。
6) deposition system
沉积体系
1.
Sequences Stratigraphy and Deposition System Research of the Dongyi Interval of Paleogene in NanPu Sag;
南堡凹陷下第三系东营组一段层序地层学与沉积体系研究
2.
By comparison with the standard typeⅠsequence, the LST of typeⅠsequence in the areas are characterized with the river deposit, and lack of the deep water deposition system such as basin floor fans and slope transgress complex.
与标准的Ⅰ型层序比较,区内Ⅰ型层序低位体系域以河流沉积体系为特征,缺失盆底扇、斜坡进积复合体等深水沉积体系;Ⅱ型层序中陆架边缘体系域不发育,主要的沉积体系以浅水碳酸岩台地和海岸平原为特征。
3.
The authors describe in details about its features such as topography,petrologic features,deposition system,palaeo-flow direction etc.
在野外工作的基础上全面叙述了青藏高原东部囊谦盆地的构造环境 ,地貌特征 ,地层的岩相、沉积体系、古流向等特征及盆地火山岩出露状况。
补充资料：冲积锥
冲积锥（alluvial cone）
又称洪积锥。沟谷口形成的半圆锥形堆积体。它是由暂时性流水作用形成的堆积地貌。由于沟谷水流流速较大，被搬运的物质被带到沟口附近，由于坡度减小，流速降低，加之水流开始分散，发生大量堆积而成半圆锥形堆积体。冲积锥的规模不大，其顶部和沟口相连，倾角大小不一。组成物质为洪积物，由大小不一的碎石、砾石、砂和亚粘土组成，一般分选不好，这是因为暂时性流水挟带的物质，搬运距离短，没有经过长期分选的缘故。它与冲积扇和洪积扇比较，规模较小，表面坡度较大，分选性较差。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条