西安石油大学学报（自然科学版）2013，Vol.28Issue(1)：41-46,6.
川西南部地区中二叠统栖霞组岩相古地理特征
Lithofacies palaeogeography of Qixia Formation in Southwest Sichuan Basin
摘要
Abstract
The lithologic characteristics and lithofacies palaeogeography of Middle Permian Qixia Formation in southwest Sichuan Basin are analyzed according to die data from field outcrops,drilling section and well logging. It is shown that beach and open sea micro-facies develop in Qixia Formation,Qixia Formation can be divided into two sedimentary cycles,and they separately were show 2 times of sea-level fluctuation in Qixia period. Meanwhile, the sea level declining phase of the second sedimentary cycle is the most important period , in this phase shallow beach developed widely, and the lithology of the shallow beach is mainly sparite bioclastic limestone and partial dolomite. The shallow beach sedimentation reformed by Dongwu movement will be favorable reservoir for further exploration.关键词
岩相古地理/沉积旋回/栖霞组/中二叠统/四川盆地Key words
lithofacies palaeogeography/sedimentary cycle/Qixia Formation/middle Permian/Sichuan Basin分类
能源科技引用本文复制引用
姜德民,田景春,黄平辉,林小兵,郭维..川西南部地区中二叠统栖霞组岩相古地理特征[J].西安石油大学学报（自然科学版）,2013,28(1):41-46,6.基金项目
国家科技重大专项"大型油气田及煤层气开发"(编号:2008ZX05007-004-02) （编号:2008ZX05007-004-02）
