Research on Source Direction of Neogene Zhujiang Formation in Huizhou Depression
详细信息
- 责任者：Yu Ye (School of Geosciences ; Yangtze University ; Jingzhou 434023 ; China) ; Zhang Changmin
- 刊名：Fault-Block Oil and Gas Fields
- 出版年：2012
- 卷期：19(1)
- 关键词：砂体 ; sand bodies ; 物源分析 ; provenance analysis ; 珠江口盆地 ; Zhujiangkou Basin
- 页码：p.17-21
- 图表：6 illus., 14 refs.
- 分类号：1003
- issnNo：ISSN1005-8907
- isbnNo：CN41-1219/TE
摘要
Based on the distribution of sand bodies and the seismic reflection characteristics,the source direction of lower and upper members of Neogene Zhujiang Formation is researched by analyzing the assemblage characteristics of light and heavy minerals and the plane change trend of debris composition in Huizhou Depression,Pearl River Mouth Basin.The results show that the lower member of Zhujiang Formation has three source regions.The principal sources of detritus in the northwest and northeast area are derived from the distal sedimentation and the principal sources of detritus in the southern area are derived from proximal sedimentation.With the sea level rising,the southern source region disappears in the upper member of Zhujiang Formation.The sedimentary characteristics are mainly controlled by northwest and northeast source regions.The principal sources of detritus in the northwest area are derived from distal sedimentation and the principal sources of detritus in the northeast area are derived from proximal sedimentation.