青海省滩北雪峰地区水系沉积物地球化学特征及找矿预测
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摘要
文章基于滩北雪峰地区1∶5万水系沉积物地球化学测量数据,分析了元素富集特征,并通过因子分析、聚类分析确定了异常元素组合特征,在工区圈定地球化学综合异常24处。结合工区地质背景分析认为,区内Au、Ag、Cu、Ni、Pb找矿潜力较大,提出了3处成矿远景区:①莲花石沟北成矿远景区,以Au、Ni为主成矿元素,异常与地质、构造关系密切,是寻找与构造相关的金-铜镍多金属矿的有利地段;②小盆地成矿远景区,主要分布于古元古界金水口岩群地层区,异常构造关系密切,是寻找热液型金、铜矿的有利地区;③山间沟成矿远景区,含矿的主要地层为奥陶系祁漫塔格群,是寻找热液型、构造破碎蚀变岩型金、铜矿产的有利地段。
Based on river sediment geochemical survey at scale 1∶50000 in Tanbeixuefeng area element enrichment characteristics are analyzed and anomly element combination characteristics are determined with factor analysis and cluster analysis and 24 integrated geochemical anomlies are located in the working area.Combined with the analysis of background of the working area it is considered potential for prospecting Au、Ag、Cu、Ni、Pb mineral resources and three targets are pointed out:① target Lianhuashigoubei where Au、Ni are principal ore elements and the anomly is closely related to the geology and tectonics thus favorable to prospect the tectonic-related Au-Ni ore deposit;②target of small basin which occurs mainly in the Proterozaoic Jinshuikou Group-distributed area and where the geochemical anomly is closely related to tectonics thus favorable to prospect the hydrothermal Au-Cu deposit;③the inter-hill gulf target where strata of the Ordovician Qimantage Group and favorable to prospect hydrothermal type and altered cataclastic rock type Au-Cu ore deposit.
Based on river sediment geochemical survey at scale 1∶50000 in Tanbeixuefeng area element enrichment characteristics are analyzed and anomly element combination characteristics are determined with factor analysis and cluster analysis and 24 integrated geochemical anomlies are located in the working area.Combined with the analysis of background of the working area it is considered potential for prospecting Au、Ag、Cu、Ni、Pb mineral resources and three targets are pointed out:① target Lianhuashigoubei where Au、Ni are principal ore elements and the anomly is closely related to the geology and tectonics thus favorable to prospect the tectonic-related Au-Ni ore deposit;②target of small basin which occurs mainly in the Proterozaoic Jinshuikou Group-distributed area and where the geochemical anomly is closely related to tectonics thus favorable to prospect the hydrothermal Au-Cu deposit;③the inter-hill gulf target where strata of the Ordovician Qimantage Group and favorable to prospect hydrothermal type and altered cataclastic rock type Au-Cu ore deposit.
引文
[1]DZ/T 0011-91.地球化学普查规范[S].
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[11]戴慧敏,代雅键,马振东,等.大兴安岭查巴奇地区水系沉积物地球化学特征及找矿方向[J].现代地质,2012,26(5):1043-1050.
[12]朴寿成,刘树田.吉林小石人金矿地球化学异常特征及成矿预测[J].地质与勘探,2003,39(2):26-27.
[13]宋运红,贾大成,李健,等.河北承德三沟地区化探数据处理与异常特征[J].吉林大学学报(地球科学版),2008,38(增刊):167-169.
[14]刘邦定,陈新跃,罗小亚,等.湘南坪宝地区水系沉积物地球化学特征[J].地质与勘探,2015,51(4):722-730.
[15]王磊,杨建国,王小红,等.甘肃北山拾金坡-南金滩地区水系沉积物地球化学特征及找矿远景[J].中国地质,2016,43(2):585-593.
[2]孙洪泉.地质统计学及其应用[M].北京:中国矿业大学出版社,1990.
[3]李玉芹,沈恒丽,王学贞,等.都兰地区水系沉积物测量地球化学特征及找矿预测[J].矿物学报,2011,31(3):615-620.
[4]崔晓亮,刘婷婷,王文恒.东昆仑布青山地区水系沉积物测量地球化学特征及找矿方向[J].物探与化探,2011,35(5):574-578.
[5]邹长毅,史长义.五龙沟金矿区域地球化学异常特征及找矿标志[J].中国地质,2004,31(4):420-423.
[6]薛顺荣,肖克炎,丁建华.基于GIS技术下思茅-景洪地区铜多金属矿综合信息成矿预测[J].地质学报,2008,82(5):648-654.
[7]张再天,潘家永,夏菲,等.江西玉华山地区水系沉积物化探数据处理及找矿靶区划分[J].物探化探计算技术,2013,35(1):86-92.
[8]刘邦定,陈新跃,罗小亚,等.湘南坪宝地区水系沉积物地球化学特征及找矿靶区预测[J].地质与勘探,2015,51(4):722-730。
[9]赵武强,崔森,邹先武,等.湖南禾库地区水系沉积物地球化学特征及找矿预测[J].中国地质,2014,41(2):638-647.
[10]周晓中,范丽琨,申勇胜.沟里地区地质地球化学特征及找矿方向[J].黄金科学技术,2009,17(3):17-19.
[11]戴慧敏,代雅键,马振东,等.大兴安岭查巴奇地区水系沉积物地球化学特征及找矿方向[J].现代地质,2012,26(5):1043-1050.
[12]朴寿成,刘树田.吉林小石人金矿地球化学异常特征及成矿预测[J].地质与勘探,2003,39(2):26-27.
[13]宋运红,贾大成,李健,等.河北承德三沟地区化探数据处理与异常特征[J].吉林大学学报(地球科学版),2008,38(增刊):167-169.
[14]刘邦定,陈新跃,罗小亚,等.湘南坪宝地区水系沉积物地球化学特征[J].地质与勘探,2015,51(4):722-730.
[15]王磊,杨建国,王小红,等.甘肃北山拾金坡-南金滩地区水系沉积物地球化学特征及找矿远景[J].中国地质,2016,43(2):585-593.