石油与天然气地质 ›› 1982, Vol. 3 ›› Issue (4): 379-387.doi: 10.11743/ogg19820419

• 论文 • 上一篇    下一篇

北京平原区第四系划分及其下限问题

李鼎容1, 谢振钊1, 王安德1, 王焕贞1, 刘清泗2, 袁国娴3   

  1. 1. 国家地震局地震地质大队;
    2. 北京师范大学地理系;
    3. 地质矿产部562综合大队
  • 收稿日期:1981-06-18 出版日期:1982-12-25 发布日期:2012-01-16

THE SUBDIVISION OF QUATERNARY AND ITS LOWER BOUNDARY IN BEIJING PLAIN

Li Dingrong1, Xie Zhenzhao1, Wang Ande1, Wang Huanzhen1, Liu Chingsi2, Yuan Guoxian3   

  1. 1. Seismo-Geological Team, State Bureau of Seismology;
    2. Geography Department of Beijing Teachers University;
    3. No.562 Team, Ministry of Geology and Mineral Resources
  • Received:1981-06-18 Online:1982-12-25 Published:2012-01-16

摘要:

我们在北京地震地质会战工作所获实际资料的基础上,曾对北京平原区上新统一更新统的划分提出了初步看法,将第四系下限定在顺义组和夏垫组之间,年龄为距今243万年。

Abstract:

In 1979,we suggested that pliocene-pleistocene boundary in Beijing plain,based on the results of seismological and geological research,may be placed between the Pliocene Shunyi Formation and the Pleistocene Xiadian Formation, deter about 2.43 m.y.B.P. Since then, we have studied more cores, measured their CaCO3 content and thermolumlnescene; Micratektltes from the Zhnili Formation,insecte fossils of Diptera from the Xiadan Formation of well No,l in Shunyi have also been discovered. These are sound evidurces for the subdivision of Quaternary and the determination of its lower boundary in this area.