苏旺;陈志勇;汪泽成;江青春;张宝民;单秀琴;姜华;卞丛胜;

• 1:中国石油勘探开发研究院

摘要(Abstract)：

为明确川西地区中二叠统栖霞组有利沉积相带分布,基于野外露头、岩心和钻测井资料分析,并结合区域地质测量资料,研究岩石类型、沉积模式和沉积相发育特征。结果表明:川西地区栖霞组主要发育生屑灰岩、泥晶灰岩、"眼球"状灰岩、砾屑灰岩、云质豹斑灰岩和白云岩6种岩石类型;基于构造背景、跌积砾屑灰岩、大规模带状展布丘滩体和沉积古地貌,研究区发育碳酸盐岩镶边台地体系;川西地区栖霞组自东向西依次发育开阔台地相、台地边缘相和斜坡—盆地相,其中台缘边缘相发育厚层的丘滩复合体,为最有利沉积相带。川西栖霞组台缘带沿龙门山前广元—江油—雅安一带呈北东向展布,宽度为40~80km,分布范围较广,具有良好勘探前景。

关键词(KeyWords)：川西地区;栖霞组;沉积特征;镶边台地;台地边缘

Abstract:

Keywords:

基金项目(Foundation):国家科技重大专项(2011ZX05004-001)

作者(Author):苏旺;陈志勇;汪泽成;江青春;张宝民;单秀琴;姜华;卞丛胜;

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