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ID:51497145
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时间:2020-03-25
《广西平桂地区锡矿土壤离子电导率异常特征和离子成分及找矿预测.pdf》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第32卷第5期地质通报Vo1.32.NO.52013年5月GEoLoGICALBULLETINoFCHINAMav,2013广西平桂地区锡矿土壤离子电导率异常特征和离子成分及找矿预测文美兰1,2,欧阳菲WENMei—lan.OUYANGFei,1.桂林理工大学/广西隐伏矿床预测研究所,广西桂林541004;2.桂林理工大学/隐伏矿床预测研究所.广西桂林5410041.GuilinUniversityofTechnology/GuangxiKeyLaboratoryofHiddenMetallicOreDepositsExploration,Guiling
2、541004,Guangxi,China;2.GuilinUniversityofTechnology/ResearchInstituteofForecastingOreDeposit,Guiling541004,Guangxi,China摘要:为了解广西平桂地区锡矿土壤离子电导率异常特征,研究不同种类离子的含量变化关系对电导率的贡献大小.为解释锡矿土壤离子电导率异常的形成机制提供理论依据。对广西平桂地区锡矿的土壤离子电导率异常进行研究.结果表明:①在已知锡矿体上测出了清晰的土壤离子电导率异常,异常形态呈典型双峰形态“兔耳”状或峰”状,异常垂直指示锡矿体
3、的赋存位置;②弄清了锡矿体组成土壤离子电导率异常的离子成分特征,其成分主要是SO、ca、HCO一、C1一、Fe*、Mg、Na、K、Mn>、F一等一套水可溶性离子,经过相关分析得出锡矿土壤离子电导率异常与各种水可溶性离子的相关系数SO>caHco>cl->Fe>Mg2+>Na+>K+>Mn>F一;⑧在未知区的找矿预测中找到2个具有成矿远景的土壤离子电导率异常.经深部工程验证找到了隐伏锡矿体。关键词:土壤离子电导率;异常特征;离子成分;找矿预测;广西平桂锡矿中图分类号:P618.44文献标志码:A文章编号:1671—2552(2013)05—0784—06W
4、enML,OuyangF.Anomalycharacteristics,componentsofsoilionicconductivityandprospectingpredictionoftinde-positsinPingguiarea,Guangxi.GeologicalBulletinofChina,2013,32(5):784-789Abstract:AlthoughtheconventionalgeochemicalmethodsarethoughtbetterefectmethodswhichareusedtOprospectandexpl
5、oreinthealkindsofcoveragearea,itisnotclearwhattheirmostefectiveroleisinprospectingintheKarstresidualslopelaminatedcoverageareaPingguiareainGuangxiprovince.ThisresearchismainlyconcemedwithastudyofanomalycharacteristicsofsoilionicconductivityontindepositsinPingguiareainGuangxiProvi
6、nce.TheinvestigationtOtestthevalidityofprospectingintheapproachwascarriedOUtabovetheknownorebodiesrevealedthattheclearsoilionicconductivityanomahesaredetectedoverorebodies,andwhichappearedtWOtypicalsummitsresemblingshapeswhicharelooklikea”rabbitear”or”hardironteeth”.Furtherresear
7、chneedstObeconductedtOdeterminebyexperimentthatthemainwatersolubleionswhichmakeuptheanomalyofsoilionicconductivityoftindepositsareincludingS042,Ca,HCO3一,C1一,Fe”,Mga,Na,K,MnandF一,andtheirrelationdegreebetweenthetinanomalyareasfollow:S042->Ca>HCOf>C1>Fe>M>Na>I(+>Mn>F.Thisfruitfulwo
8、rkprovidedtheorybasistOexplainsoilionicc
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