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有色金属(矿山部分):2021,73(2):100-105
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彭阳地区砂岩型铀矿反射地震特征分析
雷晨露1, 于常青2, 范柱国1, 郑晓杰3, 杨云秋1
((1.昆明理工大学,昆明 650093 ;2.中国地质科学院地质研究所,北京 100037;3.中国电建集团西北勘测设计研究院有限公司,西安 710100 ))
Analysis of reflection seismic characteristics of sandstone-type uranium deposits in Pengyang area
LEI Chenlu1,YU Changqing2*,FAN Zhuguo 1,ZHENG Xiaojie3,YANG Yunqiu1
((1.Kunming?University?of?Science?and?Technology, Kunming 650093,China; 2.State Key Lab of Continental Tectonics and Dynamics Institute of Geology,Chinese Academy of Geological Sciences, Beijing 100037,China; 3.Northwest Engineering Corporation Limited, Xi’an 710100, China))
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投稿时间:2020-12-08    修订日期:2020-12-24
中文摘要: 彭阳地区位于鄂尔多斯盆地西南缘,是北方砂岩型铀矿的重点勘察区域。本文利用现有的地质和测井资料,在前人研究的基础上,针对研究区的二维地震资料进行叠后地震属性分析,描述了砂岩型铀矿的地震响应特征。通过对基于模型的波阻抗反演方法得到的地震波阻抗反演剖面进行精细解释,并在此基础上对本区的砂岩型铀矿的形成环境和富集特征进行了分析。通过研究区砂岩型铀矿的含铀储层的预测研究,为目标区铀矿的进一步勘探提供了地球物理方法依据。
Abstract:Pengyang area, located in the southwest margin of Ordosbasin, is a key prospecting area for sandstone-type uranium deposits in northern China. In this paper, based on the existing geological and log data and previous research, the seismic response characteristics of sandstone-type uranium deposits were described by post-stack seismic attribute analysis of 2D seismic data in the study area. The seismic wave impedance inversion profile obtained by the model-based wave impedance inversion method was explained in detail, and on this basis, the formation environment and enrichment characteristics of sandstone-type uranium deposits in this area were analyzed. Through the prediction of uranium-bearing reservoir of sandstone-type uranium deposit in the study area, the basis of geophysical method is provided for further exploration of uranium deposit in the target area.
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基金项目:国家自然科学基金《北方砂岩型铀能源矿产基地深部探测技术示范2018YFC0604203》
引用文本:
雷晨露,于常青,范柱国,郑晓杰,杨云秋.彭阳地区砂岩型铀矿反射地震特征分析[J].有色金属(矿山部分),2021,73(2):100-105.
LEI Chenlu,YU Changqing,FAN Zhuguo,ZHENG Xiaojie,YANG Yunqiu.Analysis of reflection seismic characteristics of sandstone-type uranium deposits in Pengyang area[J].NONFERROUS METALS(Mining Section),2021,73(2):100-105.

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