| 高分辨率层序地层学在泌阳凹陷碱矿勘查中的应用 |
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| 引用本文： | 陈建立.高分辨率层序地层学在泌阳凹陷碱矿勘查中的应用[J].地质找矿论丛,2017,32(4):626-634. |
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| 作者姓名： | 陈建立 |
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| 作者单位： | 河南省地质矿产勘查开发局第一地质勘查院, 郑州 450001 |
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| 摘 要： | 文章根据泌阳凹陷钻井、地球物理测井、三维地震方面的资料分析,通过地震资料解译、层位综合标定、层位和断层精细解释、速度场建立、构造图制作,构建了泌阳凹陷高分辨率层序地层格架。将泌阳凹陷核一段至核三上段划分为3个长期、7个中期基准面旋回。含碱岩系主要分布于核桃园组中,与层序单元具有很好的对应关系,典型界面的地层切片和沉积体系识别显示,泌阳凹陷自核一段至廖庄组安棚次凹一直发育,到核三段逐渐萎缩;确定了核桃园组含碱岩系地层主要位于凹陷东南部深凹区的分布区域,可以指导钻井的部署。
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| 关 键 词： | 泌阳凹陷 地震解释 层序地层学 地层切片 含碱岩系 河南省 |
| 收稿时间： | 2016/6/17 0:00:00 |
| 修稿时间： | 2017/10/30 0:00:00 |
An application of the high resolution sequential stratigraphy to trona prospecting in Biyang Depression |
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| CHEN Jianli.An application of the high resolution sequential stratigraphy to trona prospecting in Biyang Depression[J].Contributions to Geology and Mineral Resources Research,2017,32(4):626-634. |
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| Authors: | CHEN Jianli |
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| Institution: | No.1 Institute of Geology and exploration, Henan Geology and exploration Bureau, Zhengzhou, China 450001 |
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| Abstract: | Based on data of drilling,geophysical well logging and the three dimensional seismic survey the seismic data are interpreted,the horizons calibrated comprehensively,horizons and faults interpreted refinedly,velocity field established and structural map drawn then high resolution sequence stratigraphic framework of Biyang Depression built.From the first Member to Upper Member of third Member of Hetaoyuan Formation in Biyang Depression is divided into 3 long term,7 mid-term base-level cycles.The alkali-bearing rock series is mainly distributed in the Hetaoyuan Formation and well corresponded with the sequential unit and developed from the first Member to Upper Member of third Member of Hetaoyuan Formation to Anpeng sub-depressio of Liao Zhuang formation shown by typical interface of strata slicing and sedimentary system in then pinched out at third Member of Hetaoyuan Formation.Location of the alkali-bearing rock series of Hetayuan formation in the deep part of the depression would guide to lay out drill holes. |
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| Keywords: | Biyang Depression seismic interpretation sequence stratigraphy stratigraphic slice alkali-bearing rock series Henan province |
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