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澳大利亚雅克比铅锌矿区土壤地球化学特征及找矿方向
引用本文:董 鹏,孙传敏,徐冠立,刘严松,谭 伟,冯 波.澳大利亚雅克比铅锌矿区土壤地球化学特征及找矿方向[J].高校地质学报,2015,21(4):694.
作者姓名:董 鹏  孙传敏  徐冠立  刘严松  谭 伟  冯 波
摘    要:历史上雅克比铅锌矿勘查区开展的地质勘查工作有限,可利用的资料较少,矿权区内的找矿工作未见大的突破。为 了对勘查区找矿潜力达到初步认识的目的,在区内开展了1:10000土壤地球化学测量工作。依据测量结果,从数理统计学的 角度,应用因子分析、相关分析和聚类分析的方法,研究矿区内成矿元素的组合;对土壤分析元素应用异常下限进行异常 圈定,发现元素异常的分布受地层组中发育的节理、裂隙等构造控制。德雷里安(Delamerian)造山期及以后的构造活动 可能为金属元素的活化、转移、富集、沉淀提供了储矿空间条件及热源条件,矿质可能来源于大陆风化产物及围岩。在结 合前期地质工作的基础上,在土壤地球化学测区内,提出三个找矿远景区,为下一步找矿工作提供依据。

关 键 词:土壤地球化学    元素异常  雅克比  澳大利亚  

GeochemicalCharacteristicsofSoilsandDiscussiononProspecting intheEukabyLead-ZincExplorationArea,Australia
DONG Peng,SUN Chuanmin,XU Guanli,LIU Yansong,TAN Wei,FENG Bo.GeochemicalCharacteristicsofSoilsandDiscussiononProspecting intheEukabyLead-ZincExplorationArea,Australia[J].Geological Journal of China Universities,2015,21(4):694.
Authors:DONG Peng  SUN Chuanmin  XU Guanli  LIU Yansong  TAN Wei  FENG Bo
Abstract:BecausehistoricalgeologicalexplorationworkandavailableresearchonEukabylead-zincexplorationarefew,previous prospectingworkhasnotmadeagreatbreakthrough.Inordertoobtainpreliminaryevaluationofprospectingpotentialintheexploration area,soilgeochemicalsurveys(ascaleat1:10000)havebeencarriedout.AccordingtothesoilgeochemicalsurveysinEukaby,the methods of factor analysis, correlation analysis, and cluster analysis from mathematical statistics were applied to investigate the characteristicsofelementcombinationinthisarea.Elementanomaliesweredelineatedbythresholdvaluesofsoilanalysiselements. Thedistributionofelementanomalieswasfoundtobecontrolledbythewelldevelopedjointsandfractures.Themetallogenicmaterials werederivedfromthecontinentalweatheringproductsandwallrocks.AlsotheDelamerianorogenyandsubsequenttectonicactivities providedtheconditionofore-bearingspaceandheatsourceforremobilization,enrichment,andprecipitationofmetalelements.Basedontheanalysisofregionalgeologiccharacteristics,threegeochemicallycomprehensiveanomalousareasweredelineatedinthesoil geochemicalsurveyarea,whichwouldprovidethebasisforfutureexplorationwork.
Keywords:soilgeochemistry  elementanomaly  Eukaby  Australia
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