鄂尔多斯盆地中生界上三叠统延长组是一套以大型内陆盆地为背景、以河流和湖泊相为主的陆源碎屑沉积。
The Yan-Chang formation of Upper Triassic in Ordos basin is mostly detritus sediments derived from rivers and lakes sedimentary environment on setting of inland basin.
四川盆地早三叠世飞仙关早期的环境基本上继承了晚二叠世长兴期末的格局。
The sedimentary environment of the Early Feixianguan Age of Early Triassic in northeastern Sichuan Basin mainly inherited the pattern of the Late Changhsingian Age of Late Permian.
利用稀土元素和微量元素，分析鄂尔多斯盆地中部上三叠统延长组母岩类型和物源方向。
Rare earth elements (REE) and trace elements were used to analyse source rock and source direction of Yanchang Formation of the Upper Triassic in Ordos Basin.
以四川盆地西部上三叠统须家河组的砂岩组分为基础，详细分析该期研究区古地理的演化。
Based on the sandstone compositions analysis of the Upper Triassic Xujiahe Formation in Western Sichuan Basin, the authors tried to discuss the paleogeographic evolution of the study area.
本文认为盆地东部地区的油源层主要是上二叠统。
We consider that the oil source bed in the east of Junggar Basin is mainly of the upper Permian series.
二是上三叠系延长组三角洲油气区，主要位于盆地东部，具有湖相三角洲前积砂体和平原分流河道砂体两种油、气藏序列。
Triassic Yanchang deltaic oil-gas located in east of basin with two kinds of oil-gas reservoir sequence, the lacustrine facies delta foreset sand body and plain distributary sand body.
恢复鄂尔多斯晚三叠世原型盆地是评价盆地西缘上三叠统油气勘探前景的重要问题。
Restoring prototype basin is an important issue for evaluating oil and gas prospect of Upper Triassic in west Ordos basin.
本文对四川盆地西部上三叠统的沉积环境进行了探讨。
The sedimentary enviroment of upper Triassic in the west part of Sichuan basin is discussed in this paper.
内蒙西部银根-额济纳盆地群是在 前古生代基底上发育起来的中、新生代“叠 置型”盆地群。
Yingen-Ejina Basins in the west of Nei Mongol is shown by superposition of Mesozoic and Cainozoic on basement of pre-Palaeozoic constitutes.
上三叠统在南、北坳陷为次深海盆地相沉积，发育一套黑色页岩烃源层；
The Upper Triassic Formation is sub-abysmal basinal facies deposit in the south and north depressions. A black shale layer developed.
上三叠统在南、北坳陷为次深海盆地相沉积，发育一套黑色页岩烃源层；
The Upper Triassic Formation is sub-abysmal basinal facies deposit in the south and north depressions. A black shale layer developed.
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