几种金属矿地下物探方法评述

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:2008-10-30;:2008-12-12:《》《》:(1981-),,,。E-mail:zping@mail.cgs.gov.cnGEOLOGICALBULLETINOFCHINA282~320093Vol.28,Nos.2~3Mar.,2009,。“”,、。,()、、,,、、,,。,。,,。1,2,1ZHOUPing1,CHENSheng-li2,ZHULi-li11.,100037;2.,0100201.DevelopmentandResearchCentre,ChinaGeologicalSurvey,Beijing100037,China;2.InnerMongoliaInstituteofLand&ResourcesExploration&Development,Hohhot010020,InnerMongolia,China:,。,,。、、()、()、。,,,,、、。:;;:P618.2;P631:A:1671-2552(2009)02/03-0224-08ZhouP,ChenSL,ZhuLL.Reviewofanumberofsubsurfacegeophysicalprospectingmethodsusedformetallicdeposits.GeologicalBulletinofChina,2009,28(2/3):224-231Abstract:Asmaintoolsindeepore-prospecting,geophysicalprospectingmethodsandtechnologyaremoreandmoreappliedinmineralprospectingindustry.Amongwhich,geophysicalprospectingisquitehelpfulwhenitisusedatthebottomorperipheralpartofthedrillholebasedonexistingdrillholeorpittingengineering.Inthispaper,anumberofsubsurfacegeophysicalexplorationmeth-odssuchasdownholemagneticmeasurement,downholeinducedpolarizationmethod,downhole(pit)mise-á-la-massemethod,pit(downhole)self-potentialmethodanddownholeelectromagneticmethodcommonlyusedformetallicdeposits;startingfromsolvedexamples,theauthoranalyzedandsummarizedadvantagesforallthesemethodsusedindeep-prospecting,it′ssuggestedtoputmoreemphasisonsub-surfacegeo-physicaltechnology,aswellasresearchanddevelopmentofrelevanttechnology,whichcouldbeveryimportantinformationguideformineralprospecting,development,miningandconstruction.Keywords:deepprospecting;subsurfacegeophysicalprospecting;downholegeophysicalprospecting282~3,,。,,、。,,[1-5]。1(),。2,2(1)。,(),、,(、、)、、,,。、,、、、(1)。,,;,(200~300m),,。,[2,6]。,、、、、,,()、、。,()、()、()、()、。22.1、,3,。、,()、、、,,、、。,2。3:ΔZ、ΔX、ΔY。,,ΔZ。,、,,、,、、,,[7]。、1Fig.1Classificationofsubsurfacegeophysicalprospectingtechnologies1、Table1Comparisonofdownholegeophysicalprospectingtechnology,conventionalloggingtechnologyandsurfacegeophysicalprospectingtechnology:225GEOLOGICALBULLETINOFCHINA2009,、———、,、。1,。,、;、,、。、,,,,[8-10]。,“--”,360°,,。2.2()2.2.1、,,。,,。2050—60。,。,,(),。,,,。,-、-、-3。-2;-;-,。2.2.2CA2,,(2)。2,S400~500m,“”。,S100mCA3,425m30m[11]。-:,,,,。2CA2[11]Fig.2No.1anomalyofcomprehensiveloggingofCA2borehole1—、;2—226282~3,,,。2.3()2.3.1(),、,,,。,(“”)。,。,,。、、[4]。2.3.2,2000PD417.6m,49。,[12]。3。,。、,、,。,、,。:,;;。2.4()2.4.1()()。,。,,、、。,,,,,,,,、--,[13]。2.4.21250,1,3,12501200(4)。4,,,,:,100m,,,1250,。3KT4-1[12]Fig.3ContourmapofchargingpotentialofNo.III-1orebodyinKT4pit1—();2—();3—;4—;5—;6—(mV/A);:227GEOLOGICALBULLETINOFCHINA200941200[11]Fig.4Geologicalandgeophysicalmapof1200level,JinchuanNo.2orefield∑3—;∑4—;SN-A2—;Z1—、,125012005m,6%[11]。()(),,[11,13]。,、。2.52.5.1(BHEMDHEM),,,。,,。EM。,EM、3(5)。,、。,,。10,,,,,———,,(1000),,。,、、,。,,、。2.5.2Leinster,Le-inster-WilunaTEM,。,、、,,、,。TEM,,TEM,。,。,DHEM。DHEM,,TEM(6);DHEM(7)[14]。TEM,DHEM、,。Leinster,DHEMTEM:①,;②———DHEM、;③DHEM;④DHEM,TEM228282~3;⑤DHEM,。,Lamontagne[2]BHEM———1600mNickelRimSouthLevackFootwall,BHEM。33.1,5:;;;;。、,:(SQUID)4;;;(Titan24),[1]。,———。(),,3D。,,、,、、、。,,(),,。3.2(),,、。,,。,,。,。,、、、、,。,。5[2]Fig.5Sketchmapofthreetypesofdownholeelectromagneticsensor:229GEOLOGICALBULLETINOFCHINA20096DHEM[14]Fig.6ProfileofDHEMsurveyinreconnaissanceborehole7DHEM[14]Fig.7ProfileofDHEMsurveyindeepdrillhole,,,,[11]:①,、,。②,。③(),。④,。,:,-、-TEM-,;;,-TEM;,--,①。3.3,、;、,,()、(),、(),“”。,。,,,,“”。,。,。,,,230282~3,,,,。,,,,,,,。,,,,()。,()、、、。,,,,。4、、、,。,,、,。、。、,,,。,Maxwell()、,,。,、。,。、、、,,。,,、、,;,,,;,,,;、,,,,,、、。,,,,。:,(),,![1]McMonniesB,GerrieV.Groundgeophysicsandboreholelogging—adecadeofimprovements[M]//MikereitB.ProceedingsofExploration07:FifthDecennialInternationalConferenceonMineralExploration.2007:39-49.[2]LamontagneY.DeepexplorationwithEMinboreholes[M]//Mik-ereitB.ProceedingsofExploration07:FifthDecennialInternationalConferenceonMineralExploration.2007:401-415.[3],,,.[J].,2004,(1):6-8.[4].[J].,2007,31():35-52.[5],,,.[J].,2006,42(6):57-61.[6].[J].,2004,27(4):235-240.[7],,.[J].2007,31(3):202-204、210.[8].[J].,2007,4(4):375-380.[9],,.[J].,2006,21():160-161.[10].[J].,2007,21():17-20.[11].[J].,2003,17(1):37-42.[12],,,.[J].,2006,20(4/5):528-533.[13],,.[J].,2000,31(1):4-8.[14]StolzEM.ElectromagneticmethodsappliedtoexplorationfordeepnickelsulfidesintheLeinsterarea,WesternAustralia[J].ExplorationGeophysics,2000,31(1/2):222-228.①.———、.2007.:231

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