陕西葫芦沟金矿找矿地球化学模型与找矿标志
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摘要
通过对陕西葫芦沟金矿部分微量元素与烃类组分在不同中段的含量变化及在矿体周围的异常展布特征和富集规律的分析和总结,得出该矿床原生晕分带序列为:甲烷、乙烷、丙烷、Zn、As、Ag、Sb(矿前晕)→Ag、Ni、Mn、异丁烷、正丁烷、乙烯、丙烯(矿头晕)→Hg、Pb、Ag、Au(矿中晕)→Co(矿尾晕),建立了矿床地质—地球化学找矿理想异常分带模型,并总结了找矿标志,为其深部以及外围地区的找矿预测评价提供了科学依据。
The content changes of partial trace elements and hydrocarbon components in different mid-section and its abnormal distribution characteristics and enrichment regularity around ore body of Hulugou Gold Deposit were analyzed and summarized,obtaining the primary halo zoning sequence of the deposit:methane,ethane,propane,Zn,As,Ag,Sb(front halos)→Ag,Ni,Mn,isobutane,n-butane,ethylene,propylene(ore roof halos)→Hg,Pb,Ag,Au(ore centre halos)→Co(ore tail halos).An ideal model diagram of prospecting geochemical anomaly zoning was established,and the prospecting indicators were summarized,providing a scientific basis for prospecting and evaluation of deep and peripheral areas.
The content changes of partial trace elements and hydrocarbon components in different mid-section and its abnormal distribution characteristics and enrichment regularity around ore body of Hulugou Gold Deposit were analyzed and summarized,obtaining the primary halo zoning sequence of the deposit:methane,ethane,propane,Zn,As,Ag,Sb(front halos)→Ag,Ni,Mn,isobutane,n-butane,ethylene,propylene(ore roof halos)→Hg,Pb,Ag,Au(ore centre halos)→Co(ore tail halos).An ideal model diagram of prospecting geochemical anomaly zoning was established,and the prospecting indicators were summarized,providing a scientific basis for prospecting and evaluation of deep and peripheral areas.
引文
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[13]武兴宇.陕西小秦岭金矿床中金的赋存状态及分布规律[J].有色金属矿产与勘查,1998,7(4):222-227.
[14]聂凤军,江思宏,赵月明.小秦岭地区文峪和东闯石英脉型金矿床铅及硫同位素研究[J].矿床地质,2001,20(2):163-173.
[2]阎军,宫同伦.陕西葫芦沟金矿成矿断裂的构造地球化学特征[J].大地构造与成矿学,1994,18(2):163-171.
[3]蓝妮拉,陈有斌,刘巍,等.陕西葫芦沟金矿床地质与稀土元素特征分析[J].黄金科学技术,2013,21(5):14-20.
[4]杨宏林,韩晓燕.陕西葫芦沟金矿床原生叠加晕模型[J].矿产与地质,2005(6):704-709.
[5]张苗苗,陈远荣,张志伟,等.气态烃在铧厂沟金矿找矿中的应用[J].中国地质,2008(4):738-745.
[6]吴二,陈远荣,蒋惠俏,等.龙口铅锌矿地球化学异常分带及找矿标志[J].金属矿山,2013(8):84-87.
[7]张冠清,陈远荣,卢月玲,等.山东夏甸金矿找矿地球化学模型与找矿标志[J].矿产与地质,2015,29(2):225-230,236.
[8]吴二,陈远荣,刘奕志,等.辽宁白云金矿床地球化学异常分带模型与找矿预测标志[J].黄金科学技术,2017,25(1):27-34.
[9]陈远荣,贾国相,徐庆鸿.气体集成快速定位预测隐伏矿的新技术研究[M].北京:地质出版社,2003.
[10]杨科,张龙斌,王渊,等.陕西镰子沟金矿区水文地质条件浅析[J].矿产勘查,2012,3(6):868-872.
[11]胡正国,钱壮志.小秦岭西段拆离——变质杂岩核构造[J].地质找矿论丛,1994,9(2):58-66.
[12]靳嘉.陕西省洛南县小秦岭西段镰子沟金矿矿床地质特征[D].西安:长安大学,2015.
[13]武兴宇.陕西小秦岭金矿床中金的赋存状态及分布规律[J].有色金属矿产与勘查,1998,7(4):222-227.
[14]聂凤军,江思宏,赵月明.小秦岭地区文峪和东闯石英脉型金矿床铅及硫同位素研究[J].矿床地质,2001,20(2):163-173.