内蒙古昌图锡力地区锰银铅锌多金属矿的找矿标志
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摘要
内蒙古昌图锡力地区地表覆盖严重,地质找矿标志不明显。本次利用1/1万土壤测量、地面高精度磁法测量及激电中梯测量等方法对1/5万水系沉积物测量异常进行查证,通过对物化探异常套合地段开展工程验证,取得了较好的找矿效果。从已发现矿体的空间分布特征来看,地表具有黑色、灰黑色氧化锰矿化蚀变的岩石,可作为寻找锰、银、铅、锌多金属矿体的直接标志;Mn、Ag、Pb、Zn土壤地球化学异常浓度高、元素全、套合好的区域可以作为地球化学找矿标志;线性的弱负磁异常带可以作为磁性方面的找矿标志;高极化率、中高电阻率可以作为电性方面的找矿标志。昌图锡力地区找矿标志的确立,可为该区域寻找同类型矿床提供新的依据。
The surface coverage is serious and the ore-prospecting criteria is not obvious in Changtuxili area of Inner Mongolia. The anomaly of 1/50 000 stream sediment survey was verified by using 1/10 000 soil survey,ground high precision magnetic measurement and IP ladder measurement method. The trenching engineering exposure was carried out at the set of geophysical and geochemical anomalies and getting remarkable ore prospecting results. Spatial distribution characteristics of ore bodies show that the MnO altered rocks of black and gray ferrous metals on the surface can be used as direct indicators for prospecting of polymetallic ore bodies.Areas with high geochemical anomaly concentration, complete elements and well suited elements in Mn, Ag, Pb and Zn soils can be used as geochemical prospecting indicators. The linear negative magnetic anomaly band can be used as a magnetic prospecting indicator. The high in chargeability and middle-high resistivity can be used as the indicators for ore peospeciting. The determination of ore-prospecting criteria in Changtuxili area can provide new basis for searching the same type of deposites in the region.
The surface coverage is serious and the ore-prospecting criteria is not obvious in Changtuxili area of Inner Mongolia. The anomaly of 1/50 000 stream sediment survey was verified by using 1/10 000 soil survey,ground high precision magnetic measurement and IP ladder measurement method. The trenching engineering exposure was carried out at the set of geophysical and geochemical anomalies and getting remarkable ore prospecting results. Spatial distribution characteristics of ore bodies show that the MnO altered rocks of black and gray ferrous metals on the surface can be used as direct indicators for prospecting of polymetallic ore bodies.Areas with high geochemical anomaly concentration, complete elements and well suited elements in Mn, Ag, Pb and Zn soils can be used as geochemical prospecting indicators. The linear negative magnetic anomaly band can be used as a magnetic prospecting indicator. The high in chargeability and middle-high resistivity can be used as the indicators for ore peospeciting. The determination of ore-prospecting criteria in Changtuxili area can provide new basis for searching the same type of deposites in the region.
引文
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[16]李仰春,汪岩,吴淦国,等.大兴安岭北段扎兰屯地区铜山组源区特征地球化学及碎屑锆石U-Pb年代学制约[J].中国地质,2013,40(2):391-402.
[17]范红科,温银维,姜羡义,等.内蒙古中东部半干旱荒漠草原景观区岩屑地球化学测量的方法技术及应用效果[J].地质与勘探,2008,44(5):64-69.
[18]张跃龙,程招勋,郑全波,等.内蒙古1/5万布日都大队等四幅区域地质矿产调查报告[R].黑龙江省地质调查研究总院齐齐哈尔分院,2016.
[2]邵积东,王守光,赵文涛,等.大兴安岭地区成矿地质特征及找矿前景分析[J].地质与资源,2007,16(4):252-256.
[3]吴兆剑,韩效忠,尹金双,等.内蒙古达茂旗哈力齐金矿点特征和找矿前景分析[J].地质调查与研究,2015,38(3):199-204.
[4]马永吉,刘辰曦,杨高杰,等.内蒙古古朔根乌拉地区金属矿成矿规律及矿产预测[J].地质调查与研究,2015,38(4):265-272.
[5]刘晓雪,俞礽安,汤超,等.内蒙古查干诺尔铜矿地质特征及综合找矿信息[J].地质调查与研究,2015,39(4):254-259.
[6]周富华,欧阳兆灼,杨丹妮,等.内蒙古扎木钦铅锌多金属矿床地质特征及成因初探[J].地质与资源,2014,23(1):78-80.
[7]陈永清,周顶,郭令芬.内蒙古花敖包特铅锌银多金属矿床成因探讨:流体包裹体及硫、铅、氢、氧同位素证据[J].吉林大学学报(地球科学版),2014,44(5):1478-1491.
[8]陈永清,韩学林,赵红娟,等.内蒙花敖包特Pb-Zn-Ag多金属矿床原生晕分带特征与深部矿体预测模型[J].地球科学(中国地质大学学报),2011,36(2):236-246.
[9]李振祥,谢振玉,刘召,等.内蒙古西乌珠穆沁旗花敖包特银铅锌矿矿床地质特征及成因初探[J].地质与资源,2008,17(4):278-281.
[10]聂兰仕,程志中,王学求,等.深穿透地球化学方法对比研究-以内蒙古花敖包特铅锌矿为例[J].地质通报.2007,26(12):1574-1578.
[11]孙丰月,王力.内蒙拜仁达坝银铅锌多金属矿床成矿条件[J].吉林大学学报(地球科学版).2008,38(3):376-383.
[12]刘家军,邢永亮,王建平,等.内蒙拜仁达坝超大型AgPb-Zn多金属矿床中针硫锑铅矿的发现与成因意义[J].吉林大学学报(地球科学版),2010,40(3):565-572.
[13]孙爱群,牛树银,马宝军,等.内蒙古拜仁达坝与维拉斯托银多金属矿床成矿构造对比[J].吉林大学学报(地球科学版),2011,41(6):1784-1793.
[14]刘翼飞,聂凤军,江思宏,等.内蒙古拜仁达坝铅-锌-银矿床:元素分带及其成因[J].吉林大学学报(地球科学版),2012,42(4):1055-1068.
[15]金若时,刘永顺,张跃龙,等.大兴安岭中南段昌图锡力锰、银、铅、锌多金属矿床的发现及其意义[J].地质通报,2017,36(7):1268-1275.
[16]李仰春,汪岩,吴淦国,等.大兴安岭北段扎兰屯地区铜山组源区特征地球化学及碎屑锆石U-Pb年代学制约[J].中国地质,2013,40(2):391-402.
[17]范红科,温银维,姜羡义,等.内蒙古中东部半干旱荒漠草原景观区岩屑地球化学测量的方法技术及应用效果[J].地质与勘探,2008,44(5):64-69.
[18]张跃龙,程招勋,郑全波,等.内蒙古1/5万布日都大队等四幅区域地质矿产调查报告[R].黑龙江省地质调查研究总院齐齐哈尔分院,2016.