The northern piedmontbelt of the Taibei sag is one of the oil-rich structural belts in the Turpan-Hami Basin.
台北凹陷北部山前带是吐哈盆地重要的富油气构造带之一。
2
In the piedmontbelt of Washixia sag developed thrust nappe which leaded to incrassation of Jurassic source rocks, being favorable for hydrocarbon accumulation in this area.
瓦石峡凹陷山前带发育冲断推覆构造，侏罗系烃源岩增厚有利于油气成藏。
3
This paper divided this region into 4 geomorphological belts:the flood erosion belt, groundwater spill belt, delta belt and the joining belt of piedmont plain and the Tarim floodplain.