沉积型铝土矿预测方法及其影响因素_以贵州省铝土矿为例

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———1,2,3,3TAOPing1,2,XUQi-song3,LIUKun31.,430074;2.,550004;3.,5500031.ChinaUniversityofGeosciences,Wuhan430074,Hubei,China;2.GuizhouAcademyofGeologicalSurvey,Guiyang550004,Guizhou,China;3.GuizhouUniversity,Guiyang550003,Guizhou,China:,,、,、、,、、---。,,-。:;;;:P618.45;P612:A:1671-2552(2010)10-1533-06TaoP,XuQS,LiuK.Thepredictionmethodsanditsinfluencingfactorsofthesedimentarybauxiteresource,takingbaux-iteresourceofGuizhouProvince,Chinaasanexample.GeologicalBulletinofChina,2010,29(10):1533-1538Abstract:Accordingtothetechnicalrequirementsofnationalmineralresourcespotentialevaluation,thisarticle,takingthebauxitere-sourcepredictioninGuizhouProvinceastheexample,thispaperfocusesonthepredictionunitsdivisionofthegeological-unitandgrid-unitmethod,theselectionofessentialfactorsforprediction,assigningvaluetoessentialfactorsaswellasdiscussionoftheinflu-enceofgeologicalmappingscale,thecharacteristicsofmineraldeposit,geophysicalandgeochemicalremotesensinginformationonmineralresourceprediction,withtheintroductionofmineralizingtypesanditscharacteristics,predictionmethodsofsedimentarybaux-iteresourceinChina.Thisgrid-unitmethodhasconsideredthemostessentialpredictionfactors,anditsaccuracyhasreachestoeachsingleorebodyordeposit.Keywords:sedimentarytypebauxitedeposit;predictionmethod;affectingfactors;GuizhouProvinceGEOLOGICALBULLETINOFCHINA2910201010Vol.29,No.10Oct.,2010——(“”)、—、,2009,。,,,。11.1,:2010-04-03;:2010-09-19:《》《》(:1212010813023):(1960-),,,、。E-mail:pingtao666@sina.comGEOLOGICALBULLETINOFCHINA2010、,()、、3。《》[1],,()。,,98.33%,()、()、(-)()4,74.76%、5.00%、15.04%、5.20%。,,。,,。,[2],,,,,。[3-7],。:,,0~15m。,—,。,-、--、-。:、、,、。。100~5054m,100~1080m,0.8~14.35m。:、、、、。、、、;。,。1.2,、。,,:,,,。,,、2,,。22.1,。,,、、。,、,、,,。,。,(50km2),、、,(n~50km2),,。,。,,。2.2,。,400~3200m,,0.n~nkm。,,2km×2km。,,—。,、、—,。,,,15342910,,。,。,、1。3,,、、,,,。。3.1。[8],,,,、。,,,、,,2。2,、、,、、、Al2O3、A/S、SiO2、Fe2O3、TiO2、TS,、、、,。,、,、,-,。,、、A/S、Al2O3、、。,、。3.2。、2,。、、,,-。、、、、,。,。(1),,-。,-,。,、、,。(2),。,、,。(3),———()1,()0。(4)、,1Table1Theprediction-unitanditsapplicationconditionsofsedimentarytypebauxite:15352Table2TheessentialfactorsforsedimentarybauxitepredictioninGuizhouProvince2910,,,、,。44.1,、、、,、、、、,,、、、。(1):,,,。,1∶5,—;、,2km×2km。,,,,。(2)、:,、、、、,,(<<),。4.2(1):、、。,、,,。,。(2)、:、、。(、),,,,———,。,,、,、、,,,。(3):。(,,),,,,。(4):、、、、、、,,、、。,、。(5):,,、、,,。4.3、、(1)[9],、、2,,;,,。,3:①,;②,;③,。(2),,:,;,;,:1537GEOLOGICALBULLETINOFCHINA2010,10,,。(3)---,:,---,、、、。(4),、、,(2)。,---。,。5(1),,,。,、、,,—。(2),、、、,,、,-,。(3),,,-。,。(4)、、、,、、、,。:、、、,、,。[1]《》.()[M].:,1998:267-336.[2].[M]//,,..:,1999:293-301.[3].——[J].,2007,43(5):29-33.[4],,.——[J].,2006,42(2):39-43.[5],,()[J].,2007,43(5):23-28.[6],.[M].:,1991.[7].———-[J].,2001,(4).[8],,.[J].,2009,45(6):637-644.[9],,.[J].,2007,14(5):11-19.1538

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