鄂尔多斯盆地南缘城阳—武沟地区航放异常铀找矿前景分析
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摘要
研究区位于鄂尔多斯盆地南缘西部,处于天环凹陷西翼,分布有Ⅰ-160砂岩型铀矿点。笔者依据对前人资料的收集、整理,结合研究区分布的航空放射性异常查证结果,对区内铀成矿条件进行分析,探讨了铀找矿前景。分析认为城阳—武沟地区存在有利的找矿目的层,具备较好的砂岩型铀成矿条件,航空放射性异常区是重点找矿地段,圈定了1片铀找矿有利区。
The study area is located in the west of the southern margin of Ordos basin,on the western wing of Tianhuan depression,where Ⅰ-160 sandstone-type uranium ore spot exists. Based on the collection and collation of previous data and combined with the investigation results of airborne radioactive anomalies distributed in the study area,the author analyzed uranium mineralization conditions in this region and discussed the prospect of uranium exploration. It is concluded that there are favorable ore-hunting zones in the Chengyang-Wugou area,which has better conditions of sandstone-type uranium mineralization,with the aviation radioactive anomaly being the key prospecting area. The author delineated a favorable area for uranium prospecting. The results obtained by the author seem to have directive significance in the acceleration of the exploration of uranium and mineral resources in this region.
The study area is located in the west of the southern margin of Ordos basin,on the western wing of Tianhuan depression,where Ⅰ-160 sandstone-type uranium ore spot exists. Based on the collection and collation of previous data and combined with the investigation results of airborne radioactive anomalies distributed in the study area,the author analyzed uranium mineralization conditions in this region and discussed the prospect of uranium exploration. It is concluded that there are favorable ore-hunting zones in the Chengyang-Wugou area,which has better conditions of sandstone-type uranium mineralization,with the aviation radioactive anomaly being the key prospecting area. The author delineated a favorable area for uranium prospecting. The results obtained by the author seem to have directive significance in the acceleration of the exploration of uranium and mineral resources in this region.
引文
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[21]马志和,李海平,计文化.华北地块南缘向北的薄皮推覆构造及北秦岭加里东造山作用[J].陕西地质,1996,14(1):36-42.Ma Z H,Li H P,Ji W H. Thin skin nappe structure on the north edge of North China Block and the orogeny of Gari-dong in the Northern Qinling Mountains[J]. Shanxi Geology,1996,14(1):36-42.
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[23]范俊喜.鄂尔多斯地块运动特征的研究[D].北京:中国地震局,2002.Fan J X. Study on the Movement Characteristics of Ordos Block[D].Beijing. China Seismological Bureau,2002.
[24]陈志新.渭河盆地地裂缝发育基本特征[J].工程地质学报,2007,15(4):441-446.Chen Z X. Basic characteristics of ground fissure development in Weihe Basin[J]. Journal of Engineering Geology,2007,15(4):441-446.
[25]陈江源,牛家骥,黄亮,等.鄂尔多斯盆地南缘航空物探异常查证2018年度工作报告[R].石家庄:核工业航测遥感中心,2017.Chen J Y,Niu J J,Huang L,et al. Report on the Work Report of2018 for Investigation of Air Objects on the Southern Edge of Ordos Basin[R]. Shijiangzhuang:Nuclear Industry Remote Sensing Centre,2017.
[26]陕甘宁内蒙白垩系自流水盆地地下水资源评价报告[R].内蒙古地矿局104水文地质队等,1986.Evaluation Report on Groundwater Resources in Self-flowing Water Basin of Inner Mongolian Cretaceous System in Shaanxi-GansuNingxia[R]. Inner Mongolia Mining Bureau 104 Hydrogeology Team,1986.
[2]鲁宝龙,刘池阳,李卫红,等.鄂尔多斯盆地南部砂岩型铀矿找矿模式探讨[J].矿床地质,2012,31(s):211.Lu B L,Liu C Y,Li W H,et al. Discussion on the ore prospecting pattern of sandstone type uranium ore in southern Ordos basin[J].Mineral deposit geology,2012,31(s):211.
[3]张金带.我国铀资源潜力概略分析与铀矿地质勘查战略[J].铀矿地质,2012,31(5):260-265.Zhang J D.Analysis on the Potential of Uranium Resources in China and Its Geological Exploration Strategy[J]. Uranium mine,2012,31(5):260-265.
[4]核工业西北地勘局二O三研究所.陕甘宁盆地铀矿资源评价[R]. 1993.Second and Third Institute of the Northwest Geological Survey of the Nuclear Industry. Evaluation of Uranium Mineral Resources in Shaanxi-Gansu-Ningsia Basin[R]. 1993.
[5]郑克文,龚斌利,陈宏斌.陕甘宁盆地南缘砂岩型铀矿成矿条件和地浸地质条件研究[R].咸阳:西北地勘局二O三研究所,1993.Zheng K W,Gong B L,Chen H B. Study on metallogenic conditions and geological conditions of sandstone type uranium ore in the South margin of Shaanxi Ganning Basin[R]. Shanxi:nuclear industry 203 menstrual institute,1993.
[6]付丽华,梁春利.鄂尔多斯盆地国家湾地区砂岩型铀矿成矿条件分析报告[R].石家庄:核工业航测遥感中心,2003.Fu L H,Liang C L. Analysis report on ore-forming conditions of sandstone-type uranium deposits in guojiawan area,ordos basin[R]. Shijiazhuang:aerial remote sensing center of nuclear industry,2003.
[7]李万华,胡俊祯,徐高中,等.酒泉盆地—鄂尔多斯盆地南部地浸砂岩型铀矿综合预测选区[R].咸阳:核工业203研究所,2004.Li W H,Hu J Z,Xu G Z. Integrated Prediction Constituency of Geo-Dip Sandstone Uranium from Jiuquan Basin to Erdos Basin[R]. Xiangyang:nuclear industry 203 menstrual institute,2004.
[8]龚斌利,李卫红,胡俊祯.鄂尔多斯盆地南部铀成矿条件及远景预测研究[R].咸阳:核工业203研究所,2006.Gong B L,Li W H,Hu J Z. Study on metallogenic condition and prospective prediction of uranium in southern ordos basin[R].Xiangyang:nuclear industry 203 menstrual institute,2006.
[9]李保侠,龚斌利,贾恒,等.鄂尔多斯盆地西南缘1∶25万砂岩型铀资源区域评价[R].咸阳:核工业203研究所,2006.Li B X,Gong B L,Jia H. Regional evaluation of 1∶25 000 sandstone uranium resources in the Southwest margin of Ordos Basin[R]. Xiangyang:nuclear industry 203 menstrual institute,2006.
[10]李保侠,贾恒,左涛,等.鄂尔多斯盆地西南缘惠安堡—镇原地区1∶25万铀资源区域评价[R].咸阳:核工业203研究所,2008.Li B X,Jia H,Zuo T,et al. Regional evaluation of 1∶25 000sandstone uranium resources in the Southwest margin huianbaozhenyuan of Ordos Basin[R]. Xiangyang:nuclear industry 203menstrual institute,2008.
[11]李卫红,龚斌利,李文厚,等.鄂尔多斯盆地南部侏罗—白垩系沉积体系和成岩程度变化研究[R].咸阳:核工业203研究所,2007.Li W H,Gong B L,Li W H. Study of Jurassic system-cretaceous sedimentary system and diagenesis degree change in Southwest Ordos Basin[R]. Xiangyang:nuclear industry 203 menstrual institute,2007.
[12]李保侠,贾恒,于宏伟.鄂尔多斯盆地西南缘断褶带铀矿控矿因素及找矿方向研究[R].咸阳:核工业203研究所,2010.Li B X,Jia H,Yu H W. Study of ore-controlling factors and prospecting direction of uranium deposits in fault fold belt in the Southwest margin huianbao-zhenyuan of Ordos Basin[R]. Xiangyang:nuclear industry 203 menstrual institute,2010.
[13]刘武生,贾立城,汪远志,等.鄂尔多斯盆地砂岩型铀矿资源潜力评价[R].北京:中国核工业地质局,2009.Liu W S,Jia L C,Wang Y Z. Evaluation of Sandstone Uranium Resources Potential in Ordos Basin[R]. Beijing:china national bureau of nuclear industry geology,2009.
[14]孙海仁,郑圻森,孙栋华红,等.鄂尔多斯盆地南缘1∶5万航空物探调查2016年度工作总结报告[R].石家庄:核工业航测遥感中心,2016.Sun H R,Zheng Q S,Sun D H,et al.Summary report on the survey of 1∶50,000 aerial Geophysical exploration on the southern edge of the Ordos Basin in 2016[R]. Shijiazhuang:Nuclear Industry Remote Sensing Centre,2016.
[15]潘桂棠,肖庆辉,陆松年,等.中国大地构造单元划分[J].中国地质,2009,36(1):1-28.Pan G T,Xiao Q H,Lu S N. Division of tectonic units in China[J]. Chinese geological,2009,36(1):1-28.
[16]宁夏地质矿产局.宁夏回族自治区区域地质志[M].北京:地质出版社,1986.Regional geology of geology and mineral resources of Ningxia province. Ningxia Province[M]. Beijing:Geological Publishing house,1986.
[17]甘肃省地质矿产局.甘肃省区域地质志[M].北京:地质出版社,1989.Regional geology of geology and mineral resources of Gansu province. Gansu Province[M]. Beijing:Geological Publishing house,1989.
[18]马杏坦,白瑾,索书田,等.中国前寒武纪构造格架及研究方法[M].北京:地质出版社,1987:64-65.Ma X T,Bai J,Suo S T,et al. Chinese Precambrian tectonic framework and its research methods[M]. Beijing:geological publishing house,1987:64-65.
[19]夏玉成,侯思科.试论渭河裂谷成因机制及其意义[J].西安矿业学院学报,1996(1):59-63.Xia Y C,Hou S K. Discussion on the genesis mechanism and its significance of Weihe Rift Valley[J]. Journal of Xi'an Mining Institute,1996(1):59-63.
[20]程刚.鄂尔多斯西南缘早古生代裂谷陆缘结构及其演化[D].西安:西北大学,1994.Cheng G. Structure and evolution of the continental margin of the Early Paleozoic Rift Valley on the southwestern edge of Ordos[D].Xian:Northwestern University,1994.
[21]马志和,李海平,计文化.华北地块南缘向北的薄皮推覆构造及北秦岭加里东造山作用[J].陕西地质,1996,14(1):36-42.Ma Z H,Li H P,Ji W H. Thin skin nappe structure on the north edge of North China Block and the orogeny of Gari-dong in the Northern Qinling Mountains[J]. Shanxi Geology,1996,14(1):36-42.
[22]张国伟,张本仁.秦岭造山带与中国大陆动力学[M].科学出版社,2001:97-119.Zhang G W,Zhang B R. Qinling orogenic belt and Chinese mainland dynamics[M]. Science Press,2001:97-119.
[23]范俊喜.鄂尔多斯地块运动特征的研究[D].北京:中国地震局,2002.Fan J X. Study on the Movement Characteristics of Ordos Block[D].Beijing. China Seismological Bureau,2002.
[24]陈志新.渭河盆地地裂缝发育基本特征[J].工程地质学报,2007,15(4):441-446.Chen Z X. Basic characteristics of ground fissure development in Weihe Basin[J]. Journal of Engineering Geology,2007,15(4):441-446.
[25]陈江源,牛家骥,黄亮,等.鄂尔多斯盆地南缘航空物探异常查证2018年度工作报告[R].石家庄:核工业航测遥感中心,2017.Chen J Y,Niu J J,Huang L,et al. Report on the Work Report of2018 for Investigation of Air Objects on the Southern Edge of Ordos Basin[R]. Shijiangzhuang:Nuclear Industry Remote Sensing Centre,2017.
[26]陕甘宁内蒙白垩系自流水盆地地下水资源评价报告[R].内蒙古地矿局104水文地质队等,1986.Evaluation Report on Groundwater Resources in Self-flowing Water Basin of Inner Mongolian Cretaceous System in Shaanxi-GansuNingxia[R]. Inner Mongolia Mining Bureau 104 Hydrogeology Team,1986.