赵海华;崔红庄;王军;侯旭波;季建清;赵晓喜;

• 1:胜利油田分公司西部新区研究中心

• 2:北京大学地球与空间学院

摘要(Abstract)：

六盘山盆地构造背景复杂,尤其是盆地西南缘,构造样式认识不清.在野外调查、重力资料及地震资料解析的基础上,分析六盘山盆地西南缘各大断层带构造特征和构造样式,提出以压扭走滑构造样式为主,结合区域地质背景探讨中新生代以来构造演化特征.结果表明:盆地西南缘构造带具有断层带地层陡直、剖面上呈花状构造、空间上见"丝带效应"、平面上各断裂雁列式排列的构造特征,划分走滑构造和压扭走滑构造相关褶皱两大类构造样式;结合区域构造应力场不断顺时针旋转的构造演化特点,确认六盘山盆地西南缘新生代以来以压扭走滑构造样式为主,走滑构造相关褶皱构造样式为次.该研究成果对六盘山盆地油气勘探具有指导意义.

关键词(KeyWords)：构造特征;构造样式;构造演化;压扭走滑;油气勘探;六盘山盆地

Abstract:

Keywords:

基金项目(Foundation):中石化科技攻关项目(P11077)

作者(Author):赵海华;崔红庄;王军;侯旭波;季建清;赵晓喜;

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