济阳坳陷东部中生代构造层的重新厘定  

Redefinition of Mesozoic Tectonic Level in Eastern Jiyang Depression

作　　者：林红梅 Lin Hongmei(Exploration and Exploitation Research Institute, Shengli Oilfield Branch, SINOPEC, Dongying, Shandong 257015 China University of Petroleum （East China）, Qingdao, Shandong 266580)

机构地区：[1]中石化胜利油田分公司勘探开发研究院,山东东营257015 [2]中国石油大学(华东),山东青岛266580

出　　处：《中国煤炭地质》2017年第2期11-14,共4页Coal Geology of China

摘　　要：针对济阳坳陷中生界构造特征复杂、构造层划分方案较为混乱的问题,开展了构造层重新厘定的研究。研究中采用野外地质考察、地球物理资料精细解释、声波时差与埋深关系分析、构造演化恢复等多种技术手段,并结合最新的K-Ar同位素测年数据,重点对争议较大的中生代地层进行了细致研究,从多角度论证了研究区中生代侏罗系与白垩系是性质截然不同的两套构造层,最终创新性地将研究区地层划分为基底层、侏罗系构造层、白垩系构造层及上部新生界构造层。In allusion to issues of complex Mesozoic tectonic features in the Jiyang depression and chaotic tectonic level division scheme, carried out a study on tectonic level redefinition. The study uses multiple technical means including field geological investigation, geophysical data fine interpretation, analysis of relationship between sonic differential time and buried depth and tectonic evolution restoration, combined with up-to-date K-Ar isotopic dating data, focused on controversial Mesozoic strata carried out intensive study. The result has demonstrated that study area Mesozoic Jurassic System and Cretaceous System are different two tectonic levels distinct in nature from multiple perspectives. Finally, the study has innovatively redefined strata in study area into basement, Jurassic,Cretaceous and upper Cenozoic tectonic levels.

关 键 词：构造层划分 中生界 构造演化 同位素测年 沾化凹陷 

分 类 号：P534.5[天文地球—古生物学与地层学]