Discovery of Late Cretaceous foraminifera in the Songliao Basin: Evidence from SK-1 and implications for identifying seawater incursions

查看全文 作　　者：XI [1]DangPeng;WAN [1]XiaoQiao;FENG [2]ZhiQiang;LI [1]Shun;FENG [2]ZiHui;JIA [1]JianZhong;JING [1]Xia;SI [1]WeiMin

机构地区：[1]School of Earth Science and Resources, China University of Geosciences (Beijing), Beijing 100083, China;[2]Exploration and Development Research Institute of Daqing Oil Field Company, Daqing 163712, China

出　　处：《Chinese Science Bulletin》索引2011年第56卷第3期,共4页

基　　金：supported by the National Basic Research Program of China (2006CB-701403);the National Natural Science Foundation of China (40872016);the Graduate Innovative Research Fundation of China University of Geosciences (Beijing) 摘　　要：The Songliao Basin is the largest oil-bearing basin in China.In the absence of sufficient evidence,the possibility of seawater incursion(s) into the Songliao Basin remains controversial.Recently,we discovered relatively abundant foraminifera fossils from units 1 and 2 of the Nenjiang Formation of borehole SK-1.Benthic foraminifera (Gavlinella sp.,Anomalinoides sp.,Pullenia sp.,Haplophragmoides sp.,Karrorulina hokkaidoana,Clavulinoides sp.),as well as planktonic foraminifera (Archaeoglobigerina blowi,Archaeoglobigerina cretacea and Hedbergella flandrini),were identified.These fossils were widely distributed in the marine Cretaceous.According to the global distribution of the above-mentioned planktonic foraminifera,the age of these fossil bearing strata appears to be Late Coniacian to Santonian.More importantly,these foraminifera provide direct evidence for marine water incursions into the Songliao Basin during deposition of the Lower Nenjiang Formation. 关键词：有孔虫化石松辽盆地海水入侵晚白垩世证据水库浮游有孔虫底栖有孔虫

相关文献

参考文献（28）
引证文献（23）
耦合文献（0）

参考文献(28)

引证文献(23)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Discovery of Late Cretaceous foraminifera in the Songliao Basin: Evidence from SK-1 and implications for identifying seawater incursions

参考文献(28)

引证文献(23)

用户提示