砂岩型铀矿航磁微弱异常提取方法

doi:10.11720/wtyht.2021.1201

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Abstract

In the Mesozoic and Cenozoic basin areas, the aeromagnetic ΔT anomaly information of sandstone-type uranium deposits is not obvious due to the influence of the basin cover layer, which directly affects the application effect of using aeromagnetic data to find sandstone-type uranium deposits. The research on the method of extracting weak information of aeromagnetic data in the basin can give full play to the role of aeromagnetic data in the exploration of sandstone-type uranium deposits. This paper summarizes the mechanism of the formation of weak aeromagnetic anomalies in sandstone-type uranium deposits, and analyzes and defines the quantitative range of weak aeromagnetic anomalies. On the basis of the 1∶50,000 high-precision aeromagnetic data and through the analysis and research on the aeromagnetic characteristics of the sandstone-type uranium deposits discovered in western Inner Mongolia, a high-pass filtering method was used to extract the aeromagnetic data above the sandstone-type uranium deposit. This method was used to carry out aeromagnetic weak anomaly extraction experiments in a uranium metallogenic belt in Erlian Basin of Inner Mongolia. The aeromagnetic weak anomaly information was extracted above three discovered interlayer oxidation zones of sandstone-type uranium deposits, thus finding a new way in the search for sandstone-type uranium deposits in the Meso-Cenozoic basin area.

Key words： interlayer oxidation zone sandstone-type uranium deposit aeromagnetic survey aeromagnetic weak magnetic anomaly extraction

Received: 22 April 2020 Published: 01 March 2021

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	Yu-Qin YANG
	Xiang ZHANG
	Lian-Cheng SHI
	De-Wei DENG

Cite this article:

Yu-Qin YANG,Xiang ZHANG,Lian-Cheng SHI, et al. A study of the method of extracting aeromagnetic weak anomalies from sandstone-type uranium deposits[J]. Geophysical and Geochemical Exploration, 2021, 45(1): 29-36.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2021.1201 OR https://www.wutanyuhuatan.com/EN/Y2021/V45/I1/29

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The map of geochemical zoning of ore bodies and distribution of iron minerals in surface soil of Yili uranium deposit^[1]

The aeromagnetic map of uranium deposit in the west of Inner Mongolia

The aeromagnetic map of uranium deposit in the west of Inner Mongolia (large vertical scale)

Aeromagnetic ΔT data and different filtering window to filtering results extracted weak magnetic anomaly profile comparison chart of L3790

The aeromagnetic weak information maps of a uranium deposit in lnner Mongolia

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Geomagnetic survey map of of A uranium deposit^[25]

The aeromagnetic ΔT and weak magnetic information maps of uranium deposit area A

The aeromagnetic ΔT and weak magnetic information maps of uranium deposit area B

The aeromagnetic ΔT and weak magnetic information maps of uranium deposit area C

[1]	江民忠, 张积运, 石岩, 等. 微航磁异常与可地浸砂岩型铀矿床微磁异常研究及其找矿意义[J]. 铀矿地质, 2007,23(5):298-303.
[1]	Jiang M Z, Zhang J Y, Shi Y, et al. Weak-aeromagnetic anomaly and in-situ leachable sandstone-type uranium deposit[J]. Uranium Geology, 2007,23(5):298-303.
[2]	江民忠. 航测遥感技术在可地浸砂岩型铀矿预测中的应用研究[D]. 武汉:中国地质大学(武汉), 2003.
[2]	Jiang M Z. Application of aerial survey and remote sensing technology in the prediction of in-situ leachable sandstone-type uranium deposit[D]. Wuhan:China University of Geosciences(Wuhan) , 2003.
[3]	倪卫冲. 层间氧化带砂岩型铀矿床上航磁弱信息形成机理的初步探讨[J]. 航测与遥感, 1998,50(4):1-20.
[3]	Ni W C. Preliminary discussion on the formation mechanism of aeromagnetic weak information of interlayer oxidation zone type uranium deposit[J]. Aerial Survey and Remote Sensing, 1998,50(4):16-20.
[4]	倪卫冲. 在伊犁盆地南缘地区开展航放航磁弱信息提取的应用效果[J]. 航测与遥感, 2000,55(1-2):8-19.
[4]	Ni W C. Application research on extracting weakness information of airborne radio and aeromagnetic in the southern margin of YiLi Basin[J]. Aerial Survey and Remote Sensing, 2000,55(1-2):8-19.
[5]	倪卫冲. 在腾格尔坳陷西北缘开展航放航磁弱信息提取的应用试验[J]. 航测与遥感, 2000,56(3-4):4-13.
[5]	Ni W C. Carrying out the application experiment of extracting weakness information of airborne radio and aeromagnetic in the northwestern Margin of Tengger depression[J]. Aerial Survey and Remote Sensing, 2000,56(3-4):4-13.
[6]	陈国胜. 鄂尔多斯盆地东部地区航磁弱异常的解释[J]. 航测与遥感, 2002,60(3-4):10-15.
[6]	Cheng G S. Interpretation aeromagnetic weak anomaly in the eastern area of Ordos Basin[J]. Aerial Survey and Remote Sensing, 2002,60(3-4):10-15.
[7]	刘天佑, 崔宁, 邱绳德, 等. 高精度重磁测量弱信号分析及其在塔北雅克拉地区的应用[J]. 石油勘探, 1996,35(2):81-88.
[7]	Liu T Y, Cui N, Qiu S D, et al. The weak signal in prection gravity-magnetic survey and its application in Yakela area North Tarim[J]. Geophysical Prospecting for Petroleum, 1996,35(2):81-88.
[8]	胡先金. 油田上方的航磁异常特征[J]. 石油地球物理勘探, 1989,24(4):599-602.
[8]	Hu X J. Characteristics of aeromagnetic anomalies above the oil field[J]. Petroleum Geophysical Exploration, 1989,24(4):599-602.
[9]	耿喜哲, 张春华. 综合小波分析与分形方法进行弱磁异常识别[J]. 物探与化探, 2002,26(2):126-130.
[9]	Geng X Z, Zhang C H. The application of wavelet analysis and fractal technique to the recoganion of micro-magnetic anomal[J]. Geophysical and Geochemical Expioration, 2002,26(2):126-130.
[10]	于长春, 熊盛青, 郭志红, 等. 改进的非线性滤波方法在中高山地区的应用[J]. 物探与化探, 2003,27(1):40-42.
[10]	Yu C C, Xiong S Q, Gou Z H, et al. The inproved nonlinear filtering mthod and its application in middle and high mountain areas[J]. Geophysical and Geochemical Expioration, 2003,27(1):40-42.
[11]	张洪瑞, 熊盛青, 范正国, 等. 中高山区高精度航磁调查找矿效果研究[J]. 地球物理学进展, 2013,28(4):2052-2057.
[11]	Zhang H R, Xiong S Q, Fang Z G, et al. Expioration effect of high precision aeromagnetic survey in mid-high mountain areas[J]. Progress in Geophsics, 2013,28(4):2052-2057.
[12]	杨玉勤, 李兵海, 张翔, 等. 利用航磁增强处理方法提取喇嘛苏铜矿及其外围弱磁异常[J]. 物探与化探, 2018,46(6):1173-1179.
[12]	Yang Y Q, Li B H, Zhang X, et al. The extraction of weak magnetic anomalies in and around the Lamasucopper deposit by using automatic[J]. Geophysical and Geochemical Expioration, 2018,46(6):1173-1179.
[13]	杨玉勤, 张翔, 常树帅, 等. 航磁弱异常信息增强出露在地质解释中的应用[J]. 西部资源, 2017,80(5):143-146.
[13]	Yang Y Q, Zhang X, Chang S S, et al. The application of airborne magnetic weak information enhancement method in the field of geological[J]. Westen Resources, 2017,80(5):143-146.
[14]	倪卫冲. 航测生产中航放航磁弱信息提取的应用试验[R]. 核工业航测遥感中心, 2000.
[14]	Ni W C. The application experiment weak information of aerial radio and magnetic in aerial survey production[R]. Airborne Survy Remote Sensing Center of Nuclear Industry, 2000.
[15]	韩绍阳, 侯惠群, 柯丹, 等. 基于GIS软件平台的航磁弱信息提取研究[J]. 铀矿地质, 2003,19(6):361-365.
[15]	Han S Y, Hou H Q, Ke D, et al. Research on extraction of aeromagnetic weak information based on GIS[J]. Uranium Geology, 2003,19(6):361-365.
[16]	常树帅. 砂岩型铀矿勘查中航放、航磁信息开发研究[J]. 铀矿地质, 2006,22(5):300-304.
[16]	Chang S S. Development of aeroradiometric and aeromagnetic information for the exploration of sandstone type uranium deposit[J]. Uranium Geology, 2006,22(5):300-304.
[17]	侯惠群, 吴慧山, 高必娥, 等. 高精度磁测对古顿河构造填图的经验[G]//侯惠群. 外生铀矿床勘查中的地球物理方法及应用. 北京: 海洋出版社, 2002.
[17]	Hou H Q, Wu H S, Gao B E, et al. Experience of high-precision magnetic survey on mapping of Gudunhe structure[G]//Hou H Q. Geophysical methods and applications in the expioration of exogenous uranium deposit. Beijing: Ocean Press, 2002.
[18]	刘云祥. 重磁弱异常处理研究与应用[J]. 勘探地球物理进展, 2007,30(6):454-447.
[18]	Liu Y X. Processing and application of weak gravity and magnetic anomaly[J]. Progress in Exploration Geophysics, 2007,30(6):454-447.
[19]	侯树仁, 李有民, 霍全林, 等. 内蒙古阿拉善右旗塔木素铀矿床H15-H96 线普查报告[R]. 核工业208大队, 2014.
[19]	Hou S R, Li Y M, Huo Q L, et al. Survey report of H15-H96 line of Tamu uranium deposit in Alxa Right Banner,Inner Mongolia[R]. 208 of CNNC, 2014.
[20]	康世虎, 杨建新, 刘武生, 等. 二连盆地中部古河谷砂岩型铀矿成矿特征及潜力分析[J]. 铀矿地质, 2017,33(4):206-213.
[20]	Kang S H, Yang J X, Liu W S, et al. Mineralization characteristics and potential of paleo-valley type uranium deposit in central Erlian Basin, Inner Mongolia[J]. Uranium Geology, 2017,33(4):206-213.
[21]	刘武生, 康世虎, 贾立城, 等. 二连盆地中部古河道砂岩型铀矿成矿特征[J]. 铀矿地质, 2013,29(6):329-335.
[21]	Liu W S, Kang S H, Jia L C, et al. Characteristics of paleo-valley sandstone-type uranium mineralization in the middle of Erlian Basin[J]. Uranium Geology, 2013,29(6):329-335.
[22]	刘波, 杨建新, 乔宝成, 等. 二连盆地巴彦乌拉铀矿床控矿成因相特征及成矿规律研究[J]. 矿产勘查, 2017,8(1):16-26.
[22]	Liu B, Yang J X, Qiao B C, et al. Characteristics of ore-controlling genesis facies and metallogenic regularity in Bayanwula uranium ore deposit[J]. Mineral Exploration, 2017,8(1):16-26.
[23]	杨建新, 刘武生, 李满根, 等. 二连盆地铀矿整装勘查区专项填图与技术应用示范报告[R]. 核工业二О八大队, 2016.
[23]	Yang J X, Liu W S, Li M G, et al. Special mapping and technical application report of Erlian Basin uranium mine assembly exploration area[R]. 208 of CNNC, 2016.
[24]	曾建纲, 聂逢君, 封志兵, 等. 二连盆地砂岩型铀矿找矿中的地球物理标识[J]. 金属矿山, 2014,43(5):130-133.
[24]	Zeng J G, Nie F J, Feng Z B, et al. Geophysical indicators of Erlian Basin sandstone-type uranium deposits[J]. Metal Mine, 2014,43(5):130-133.