Discovery and Geological Significance of Murui Formation in Middle Segment of the Greater Hinggan Mountains Range
详细信息
- 责任者：Li Wangdong (Regional Geological and Mineral Resources Survey of Jilin Province ; Changchun 130012 ; China) ; Nie Lijun
- 刊名：Jilin Geology
- 出版年：2013
- 卷期：32(4)
- 关键词：中侏罗世 ; Middle Jurassic ; 盆地演化 ; basin evolution ; 大兴安岭 ; Greater Hinggan Mountains
- 页码：p.11-12
- 图表：1 illus., 4 refs.
- 分类号：1200
- issnNo：ISSN1001-2427
- isbnNo：CN22-1099/P
摘要
In regional geological survey of 1：50000 mushroom mountain sheet,Chaiheyuan sheet,Suhetun sheet,Xing＇an sheet four sheets in Inner Mongolia,through detailed field geological survey,first time discovered Murei Fm in the lower of Middle Jurassic manketouebo Fm,the two are conformable contact.The rock type is aubergine pelitic siltstone mix offwhite conglomerate,exposed incomplete.That proved the middle part of Greater Khingan Range experienced accumulation of continental intermountain basin in the Middle Jurassic,with rapid accumulation feature.The group is a regional marker beds,has great significance to study the geological evolution history of Greater Khingan Range middle part in the Middle Jurassic.