摘要
利用研究区沙二段砂岩分区的类型,岩屑类型及含量变化,重矿物含量变化,分析埕北断阶区沙河街组二段的物源区。分析结果认为,沙河街组二段沉积时期,研究区物源主要来自南部埕宁隆起和北部燕山褶皱带,还有来自东北部的海中隆起。
Based on the comprehensive analysis of sandstones types,types and content differentiation of debris,content differentiation of heavy minerals in the number 2 of Shahejie Formation. analysing the provenance of the research area. In the period of number 2 of Shahejie Formation,the main provenance came from the Chengning Uplift in the south and Yanshan Fold Belt in the north,Haizhong Uplift is also the provenance.
出处
《内蒙古石油化工》
CAS
2006年第8期165-168,共4页
Inner Mongolia Petrochemical Industry
基金
大港油田科技攻关项目"埕北断阶带下第三系地层研究"200312技984资助
关键词
埕北断阶区
沙二段
物源方向
Chengbei step-fault zone. the member 2 of Shahejie Formation. the provenance
