山东国土资源2026，Vol.42Issue(3)：10-16,7.DOI:10.12128/j.issn.1672-6979.2026.03.002
内蒙古东胜煤田南部勘探区岩心地层划分及沉积环境
Analysis on Stratigraphic Division and Sedimentary Environment of Cores in the Southern Exploration Areas of Dongsheng Coalfield in Inner Mongolia
摘要
Abstract
The southern exploration area of Dongsheng coalfield is an important research object for revealing the sedimentary environment and the formation and evolution of coal accumulating basins.It is of great significance for deepening geological theory research and guiding coal resource exploration.Based on drill-ing data in the research area,combining lithological characteristics,marker layers and interlayer spacing together,actual basis has been put forward for stratigraphic division of Yan'an formation,Zhiluo forma-tion,Anding formation,Zhidan group and Quaternary.Characteristics of coal bearing rock series,paleo-geographic environment and structural evolution have been studied.It is indicated that comparing the sedi-mentary environment,paleoclimate,basin evolution theory with the rock core characteristics in actual work,and using a comprehensive method for stratigraphic division,is not only beneficial for a more intui-tive understanding and comprehension of the rock core characteristics under the influence of various sedi-mentary environments and paleoclimates,but also for fully understanding the development laws of the strata in exploration areas.Thus,accurate geological data can be obtained.It will provide reliable basis for correctly evaluating the resources in the area.Dongsheng coalfield has undergone a complex sedimentary process.After multiple periods of decline and uplift in coal accumulating basin,different sedimentary envi-ronments,such as lakes,deltas and rivers have been formed,and controlled the formation of coal strata in Jurassic Yan'an formation.Since early Jurassic,tectonic movements,sedimentary environments and basin evolution have controlled the development of strata and coal strata in the study area.This research will provide theoretical support for the division of rock core strata and the influence of sedimentary environ-ment on strata development in the area,and a scientific basis for regional resource development.关键词
岩心特征/地层划分/沉积环境/东胜煤田/内蒙古Key words
Characteristics of cores/stratigraphic division/sedimentary environment/Dongsheng coalfield/Inner Mongolia分类
天文与地球科学引用本文复制引用
宋文静,杨磊,陈晓波,房绍艳,杨建超,王永瑞,张燕妮..内蒙古东胜煤田南部勘探区岩心地层划分及沉积环境[J].山东国土资源,2026,42(3):10-16,7.基金项目
山东省煤田地质局科研专项,钻井液与小口径定向钻探的关系研究,项目编号:MTDZKY-2024-29 （）
