Relative Change of Sea-Level and Element Geochemistry Evidence of Tectonic Setting during Early or Middle Jurassic in Qiaoyuan Formation of Huilai Area in Guangdong Province
详细信息
- 责任者：Xu Zhongjie (College of Earth Sciences ; Jilin University ; Changchun 130061 ; China) ; Cheng Rihui
- 刊名：Journal of Jilin University
- 出版年：2011
- 卷期：41(4)
- 关键词：sandstone ; 海平面升降 ; eustacy ; 构造环境 ; tectonic setting ; 元素地球化学 ; elements geochemistry ; 广东 ; Guangdong Province
- 页码：p.966-975,982
- 图表：7 illus., 2 tables, 26 refs.
- 分类号：0803
- 出版序号：1707
- issnNo：ISSN1671-5888
- isbnNo：CN22-1343/P
摘要
The marine and transitional sediments were dominated during Early or Middle Jurassic in the Qiaoyuan Formation of Kuitan area in Huilai, Guangdong Province. The samples were analyzed by the whole rock analysis and the ICP-MS trace elements analysis. Based on the Dickinson diagram,Zr-Th, La-Th-Sc,Th-Co-Zr/10 discrimination diagrams and the eigenvalues comprehensive analysis for trace elements, the tectonic setting is the back-arc extrusion basin, which with the characteristics of a continental island arc and few passive continental margin component. The sediments are from the volcanic arc belt.
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