收稿日期: 2009-06-01
修回日期: 2009-08-05
网络出版日期: 2009-12-10
基金资助
国家重大专项“中西部前陆盆地构造地质与沉积储层特征”(编号:2008ZX05003-001)资助.
Sedimentary Facies Feature of Paleogene Lower Ganchaigou Formation in the West Segment, North Edge of Qaidam Basin
Received date: 2009-06-01
Revised date: 2009-08-05
Online published: 2009-12-10
刘殿鹤,李凤杰,郑荣才,刘琪,蒋斌 . 柴北缘西段古近系下干柴沟组沉积相特征分析[J]. 天然气地球科学, 2009 , 20(6) : 847 -853 . DOI: 10.11764/j.issn.1672-1926.2009.06.847
Based on description of field outcrop profiles and cores, well drilling and logging and so on, the types of the sedimentary facies and their characteristics of Paleogene Lower Ganchaigou Formation were studied. The research shows that alluvial fan, fan delta, braid river, braided delta and lacustrine facies were present in the formation. There is a set of fan, fan delta, lacustrine facies depositional system in the Eboliang\|Lenghu\|Qianxi area, and a set of fan, braid river, braided delta, lacustrine facies depositional system in the Mahai\|Nanbaxiang area. The sedimentary facies model was established of Low\|Ganchaigou Formation. It demonstrates the sedimentary facies distribution more clearly, providing the reliable geological information for the next exploration activity.
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