- 责任者：Shi Chaoqun (College of Marine Geosciences ; Ocean University of China ; Qingdao 266100 ; China) ; Zhang Jinliang
- 刊名：Periodical of Ocean University of China
- 出版年：2011
- 卷期：41(10)
- 关键词：沉积环境 ; sedimentary environment ; 鄂尔多斯盆地 ; Ordos Basin
- 页码：p.98-106
- 图表：13 illus., 1 table, 9 refs.
- 分类号：0803
- issnNo：1672-5174
- isbnNo：37-1414/P
LINE-HEIGHT: 12pt; MARGIN: auto 0cm" class=MsoNormal>Based on large quantities of drilling and core data, according to analyzing the sedimentary structure, sedimentary sequence and well logs, the sedimentary microfacies of the ninth member of Yan’an Formation in Jiyuan Region was studied. It was considered that braided river-braided delta system was deposited under moist climate at the moment. The distribution of that system was indicated. Distributary channel, interdistributary bay, crevasse fan and swamp were developed in the braided delta plain. Underwater distributary channel and underwater interdistributary bay were sedimented in the braided delta front. All kinds of stratification structure and corrosive structure were extremely abundant.oft-com:office:office" />