准噶尔盆地东部北三台地区林罗系地层的物源研究

Study on origin of substance of jurassic system stratum in Bei san tai placement of Zhong ge er basin east

本文通过对准噶尔盆地东部北三台地区的古地理背景，构造发展史，火山活动时期，古流向，薄片鉴定，重矿物分析等资料的研究，阐明了北三台地区侏罗系地层（头屯河组、齐古组）是一套以河流沉积为主的陆源碎屑岩系，为多物源区。

This paper by means of Bei san tai piacement of zhong ge er basin east ancient.geographical backfground structural developed history. volcanic activity period. ancient direction running wpter. thin section analysis heavy mineral analysis and so on material study’ expoundJurassic system stratum of Bei san tai placement was made of river deposit a series of ceastic rock source of land depend on a number of origin of substance.