湖南省九龙山铅锌矿物化探异常综合分析与找矿前景
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摘要
为进一步摸清九龙山地区区域化探异常与铅锌矿化之间的因果关系、成矿规律和控矿因素,投入1∶1万地质调查、土壤地球化学测量、岩石地球化学测量和激发极化法测量工作,通过综合分析,发现区内4个激电异常区与土壤异常形态相似,平面位置基本重叠吻合,且反映强烈。利用浅表槽探工程在异常中心处揭露到铅锌矿脉,长约760 m,平均厚度为1.40 m,铅平均含量为3.03%,锌平均含量为2.78%,说明九龙山勘查区成矿条件良好,矿产富集,未来深部找矿工作潜力较大。
In order to get to know the relationship between regional lead-zinc geochemical anomalies and mineralization,metallogenic regularity and ore-forming factors,the authors carried out 1 ∶ 10 000 geological survey,soil-rock geochemical measurement and IP survey. Based on comprehensive study,it is found that four geophysical IP anomalies are similar to geochemical soil anomalies in shape and geographical position and both have strong reflection. With the length of 760 m,average thickness of 1.40 m,3.03% lead and 2.78% zinc,an ore-bearing vein was detected by shallow trenching at the center of the anomaly,which shows good metallogenic conditions,rich minerals and great potential of deep prospecting in Jiulongshan survey area.
In order to get to know the relationship between regional lead-zinc geochemical anomalies and mineralization,metallogenic regularity and ore-forming factors,the authors carried out 1 ∶ 10 000 geological survey,soil-rock geochemical measurement and IP survey. Based on comprehensive study,it is found that four geophysical IP anomalies are similar to geochemical soil anomalies in shape and geographical position and both have strong reflection. With the length of 760 m,average thickness of 1.40 m,3.03% lead and 2.78% zinc,an ore-bearing vein was detected by shallow trenching at the center of the anomaly,which shows good metallogenic conditions,rich minerals and great potential of deep prospecting in Jiulongshan survey area.
引文
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[9]乔祯,蒋职权,张国瑞,等.内蒙古乌奴耳铅锌银矿物化探异常特征及找矿效果[J].物探与化探,2017,41(4):634-640.Qiao Z,Jiang Z Q,Zhang G R,et al. Geophsical-geochemical anomaly characteristics and prospecting effect in the Wunuer lead and zinc silver deposit of Inner Mongolia[J].Geophysical and Geochemical Exploration,2017,41(4):634-640.
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[12]孙海清,陈友良,李红俭,等.区域地质图说明书(1∶5万谭家场幅)[R].湖南地质矿产开发局区调所,1995.Sun H Q,Chen Y L,Li HJ,et al. Instructions of areal geological maps with the scal of 50 000 in Tangjiachang[R].Areal Geological Investigation Department of Hunan Geology Bureau,1995.
[13]张赛珍,王庆乙,罗延钟.中国电法勘探发展概况[J].地球物理学报,1994(SI):408-424.Zhang S Z,Wang Q Y,Luo Y Z. General situation of development to Chinese electrical survey[J]. Chinese Journal of Geophysics,1994(SI):408-424.
[14]王文龙,杨拴海,张慧玉,等.高密度电法在金矿找矿中的应用[J].黄金地质,2002(3):53-56.Wang W L,Yang S H,Zhang H Y,et al. The application of high density of electrical method in gold ore deposit survey[J].Gold Geology,2002(3):53-56.
[15]李帝铨,王光杰,底青云,等.大功率激发极化法在额尔古纳成矿带中段找矿中的应用[J].地球物理学进展,2007(5):1621-1626.Li D Q,Wang G J,Di Q Y,et al. The application of high-power induced polarization in the middle section of Eerguna metall0genic belt[J].Progress in Geophysics,2007(5):1621-1626.
[16]刘士毅,田黔宁,赵金水,等.解决物探异常解释多解性的一次尝试[J].物探与化探,2010,34(6):691-696.Liu S Y,Tian Q N,Zhao J S,et al. An attempt to reduce ambiguity in geophysical intepretation[J]. Geophysical and Geochemical Exploration,2010,34(6):691-696.
[17]张利真.地质找矿实践中如何解释推断物探异常[J].西部资源,2015(4):147-151.Zhang L Z.The interpretation of geophysical anomalies in survey of geological exploration[J].Western Resources,2015(4):147-151.
[18]武炜,张宝林,梁光河,等.双频激电法在我国西部两类典型覆盖区金属矿体预测中的应用[J].地质与勘探,2009,45(6):669-675.Wu W,Zhang B L,Liang G H,et al. Application of dual-frequency IP method in metal ore prediction in two types of typical overburden aresa in western China[J]. Geology and Exploration,2009,45(6):669-675.
[19]王宏宇,李涛.双频激电法在西澳矿产勘查中的应用[J].物探与化探,2016,40(5):923-928.Wang H Y,Li T. The application of dual-frequency IP method to the exploration of mineral resources in western Australis[J]. Geophysical and Geochemical Exploration,2016,40(5):923-928.
[20]杨立功,刘继顺,尹利君,等.双频激电偶极在甘肃李子地区快速找矿中的应用[J].地质与勘探,2013,49(2):330-336.Yang L G,Liu J S,Yun L J,et al. Application of the dual-frequencey IP method to rapid prospecting of mineral resources in the Lizi area of Gansu Province[J].Geology and Exploration,2013,49(2):330-336.
[21]张华,张善明,张治国,等.内蒙古塔布格金异常区地质、地球化学特征及找矿前景[J].黄金,2014,35(6):12-17.Zhang H,Zhang S M,Zhang Z G,et al. Analysis of geological and geochemical characteristics in tabuge Au anomaly,Inner Mongolia and its prospecting indications[J].Gold,2014,35(6):12-17.
[2]张景,陈国光,张明,等.宁芜盆地白象山矿区物化探异常特征及找矿意义[J].华东地质,2016,37(2):147-151.Zhang J,Chen G G,Zhang M,et al. Geophysical and geochemical anomalies of Baixiangshan mine district in the Ningwu basin and their prospecting significance[J]. East China Geology,2016,37(2):147-151.
[3]胡崇伟,冯开平.综合物化探方法在大理笔架山金矿区的找矿应用[J].矿物学报,2013,33(4):561-565.Hu C W,Feng K P. Application of comprehensive geophysical and geochemical prospecting methods in the Bijiashan gold deposit,Dali County,Yunan Province,China[J]. Acta Mieralogical Sinica,2013,33(4):561-565.
[4]俞胜,蒙轸,尤关进,等.物化探综合找矿方法在西口沟钼矿勘查中的应用[J].地质与勘探,2016,52(5):838-845.Yu S,Meng Z,You G J,et al. Application of integrated geophysical and geochemical methods to prospecting of the Xikougou molybdenum deposit[J]. Geology and Exploration,2016,52(5):838-845.
[5]时永志,李凯成.综合物化探方法在地质找矿“攻深找盲”中的应用[J].物探与化探,2014,38(5):910-915.Shi Y Z,Li K C. The application of integrated geophysical and geochemical exploration methods to the prospecting for deep and concealed Orebodies[J]. Geophysical and Geochemical Exploration,2014,38(5):910-915.
[6]白德胜,杨怀辉,纵瑞,等.地、物、化综合方法在豫西小河岩体南缘找矿中的应用[J].物探与化探,2017,41(5):794-801.Bai D S,Yang H H,Zong R,et al. The application of integrated geophysical and geochemical methods to ore-prospecting at the southern edge of Xiaohe rock body in western Henan Province[J].Geophysical and Geochemical Exploration,2017,41(5):794-801.
[7]袁桂琴,杨少平,孙跃,等.隐伏金属矿勘查中物化探方法技术应用研究[J].物探化探计算技术,2012,34(6):631-639.Yuan G Q,Yang S P,Suan Y,et al. The study of geophysical and geochemical methods in exploartion of under-hidden metal ore deposits[J].Computing Techniques for Geophysical and Geochemical Exploration,2012,34(6):631-639.
[8]刘波,乔宝成,李海东.综合物化探方法在哈拉河铅锌矿区勘查中的应用[J].物探与化探,2014,38(2):261-267,277.Liu B,Qiao B C,Li D H. The Application of the integrated geophysical and geochemical prospecting methods to the exploration of the Halahe lead-zinc ore deposit[J].Geophysical and Geochemical Exploration,2014,38(2):261-267,277.
[9]乔祯,蒋职权,张国瑞,等.内蒙古乌奴耳铅锌银矿物化探异常特征及找矿效果[J].物探与化探,2017,41(4):634-640.Qiao Z,Jiang Z Q,Zhang G R,et al. Geophsical-geochemical anomaly characteristics and prospecting effect in the Wunuer lead and zinc silver deposit of Inner Mongolia[J].Geophysical and Geochemical Exploration,2017,41(4):634-640.
[10]苏康明,曾勇.雪峰弧形构造带金矿类型及分布特征[J].黄金,2007(4):19-23.Su K P,Zeng Y. Types and distributions of gold ore deposits in arcuate geological structure in Xuefeng mountain[J]. Gold,2007(4):19-23.
[11]胡能勇,权正钰,潘莉,等.雪峰弧形构造带变形特征及其与金矿的关系[J].大地构造与成矿学,1998(S1):33-37.Hu N Y,Quan Z Y,Pan L,et al. The shapping characteristics of arctuate geological structure in Xuefeng mountain and its relationships with The gold ore deposits[J]. Geotectonica Metal,1998(S1):33-37.
[12]孙海清,陈友良,李红俭,等.区域地质图说明书(1∶5万谭家场幅)[R].湖南地质矿产开发局区调所,1995.Sun H Q,Chen Y L,Li HJ,et al. Instructions of areal geological maps with the scal of 50 000 in Tangjiachang[R].Areal Geological Investigation Department of Hunan Geology Bureau,1995.
[13]张赛珍,王庆乙,罗延钟.中国电法勘探发展概况[J].地球物理学报,1994(SI):408-424.Zhang S Z,Wang Q Y,Luo Y Z. General situation of development to Chinese electrical survey[J]. Chinese Journal of Geophysics,1994(SI):408-424.
[14]王文龙,杨拴海,张慧玉,等.高密度电法在金矿找矿中的应用[J].黄金地质,2002(3):53-56.Wang W L,Yang S H,Zhang H Y,et al. The application of high density of electrical method in gold ore deposit survey[J].Gold Geology,2002(3):53-56.
[15]李帝铨,王光杰,底青云,等.大功率激发极化法在额尔古纳成矿带中段找矿中的应用[J].地球物理学进展,2007(5):1621-1626.Li D Q,Wang G J,Di Q Y,et al. The application of high-power induced polarization in the middle section of Eerguna metall0genic belt[J].Progress in Geophysics,2007(5):1621-1626.
[16]刘士毅,田黔宁,赵金水,等.解决物探异常解释多解性的一次尝试[J].物探与化探,2010,34(6):691-696.Liu S Y,Tian Q N,Zhao J S,et al. An attempt to reduce ambiguity in geophysical intepretation[J]. Geophysical and Geochemical Exploration,2010,34(6):691-696.
[17]张利真.地质找矿实践中如何解释推断物探异常[J].西部资源,2015(4):147-151.Zhang L Z.The interpretation of geophysical anomalies in survey of geological exploration[J].Western Resources,2015(4):147-151.
[18]武炜,张宝林,梁光河,等.双频激电法在我国西部两类典型覆盖区金属矿体预测中的应用[J].地质与勘探,2009,45(6):669-675.Wu W,Zhang B L,Liang G H,et al. Application of dual-frequency IP method in metal ore prediction in two types of typical overburden aresa in western China[J]. Geology and Exploration,2009,45(6):669-675.
[19]王宏宇,李涛.双频激电法在西澳矿产勘查中的应用[J].物探与化探,2016,40(5):923-928.Wang H Y,Li T. The application of dual-frequency IP method to the exploration of mineral resources in western Australis[J]. Geophysical and Geochemical Exploration,2016,40(5):923-928.
[20]杨立功,刘继顺,尹利君,等.双频激电偶极在甘肃李子地区快速找矿中的应用[J].地质与勘探,2013,49(2):330-336.Yang L G,Liu J S,Yun L J,et al. Application of the dual-frequencey IP method to rapid prospecting of mineral resources in the Lizi area of Gansu Province[J].Geology and Exploration,2013,49(2):330-336.
[21]张华,张善明,张治国,等.内蒙古塔布格金异常区地质、地球化学特征及找矿前景[J].黄金,2014,35(6):12-17.Zhang H,Zhang S M,Zhang Z G,et al. Analysis of geological and geochemical characteristics in tabuge Au anomaly,Inner Mongolia and its prospecting indications[J].Gold,2014,35(6):12-17.
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