川西前陆盆地蓬莱镇组层序、岩相古地理特征及演化SEQUENCE-BASED LITHOFACIES AND PALEOGEOGRAPHIC CHARACTERISTICS AND EVOLUTION OF THE PENGLAIZHEN FORMATION IN WEST SICHUAN FORELAND BAISN
朱志军,陈洪德,林良彪,胡晓强,徐胜林,张戈
摘要(Abstract)：
在川西前陆盆地蓬莱镇组层序特征研究基础上,将川西前陆盆地蓬莱镇组划分为5个沉积层序,每个沉积层序都由进积和退积体系域组成。以体系域为编图单元,采用体系域压缩法,编制了川西前陆盆地上侏罗统蓬莱镇组9张层序岩相古地理图。编图表明,川西前陆盆地蓬莱镇期古地理演化总体上显示盆扩/盆缩的特点,并具有明显的继承性、不均一性、阶段性和同步性。与传统的岩相古地理图相比,层序岩相古地理图具有动态、精确、等时、成因连续和勘探实用等优点。
关键词(KeyWords)： 层序地层;岩相古地理图;进积体系域;退积体系域;蓬莱镇组;侏罗系;四川
基金项目(Foundation): 中国石油化工股份有限公司“十五”重点科技攻关项目(P03044)
作者(Author): 朱志军,陈洪德,林良彪,胡晓强,徐胜林,张戈
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