南宁球粘土地质特征及矿床成因

1,2,3(1.,300061;2.,532100;3.(),100083):(Q3),(),,,,,;2:;;;:P611;P619.231:A:100121412(2002)0420246206135km,40km2,,22.12.1.1(C1),29283m,110cm,,2.1.2(Q3)(1)(Q31):(),0.1328.81m,,140.34m(2)(Q32):6,:(Q32-1):,,,0.3730.51m(Q32-2):,,,,0.0528.53m(Q32-3):(,É),,,,,,,,,,,,,(Q32-2)(Q31),0.3636.74m6902300m:2002206228;:2002208226:(:49802010):(19262),,,,,174200212Vol.17No.4Dec.2002©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(,(Q))(Q32-4):(C)140.5716.84m,130.355.3m,,,,,,,,,0.1730.29m(Q32-5):,,,,,26,0.310.74m130.226.5m,0.2218.78mÊ(Q32-6):,,0.538.5m130.4710.41m,,0.5325.96mÊ2.1.3(Q4)0.56cm,,,1.08143.13m2.2,,,SN,EW,520,,45,(C1),,NE,NWSE,15652.32.3.1X,,:É91%;C89%;Ê91%;Ê94%;Ê(1),89742174:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(2)0010026,020,54.267~3.348~(TEM)(3,4);(SEM),(5)3(TEM)Fig.3TEMimageofballclayconsistingofdisorderedpseudohexagonalkaolinite(36000)4(TEM)Fig.4TEMimageofballclayconsistingofautogenicdisorderedhexagonalkaolinite()(36000),XIöS(,,5(SEM)Fig.5TEMimageofballclayconsistingofdisorderedkaoliniteassemblages()(36000))(,X9.15~,4.56~,3.05~2.41~,1.63~,1.49~)(6.23~,2.34~,1.85~),()-2Lm(,80%)+2Lm2.3.2(1)::IöS::,(2)::,,:,612mm,()8422002©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.:,340mm2.3.3C(),14C30740(589)(B.P)30822(807)(B.P),C,I2.3.4,,I,w(Al2O3)35%,38%,40%(3.5%4%,),w(Fe2O3)1%,,w(TiO2)0.75%2.23%,1.2%,()11w(Al2O3),(),,1Table1Comparisonofchemistryofballclayathomeandabroad(wBö%)Al2O3SiO2TiO2Fe2O3CaOMgOK2ONa2O136.645.371.580.670.210.650.480.0413.72(1)36.6145.600.960.390.210.250.821.1813.16(2)32.7047.390.560.890.230.190.570.1816.66(3)33.3153.081.041.310.480.290.400.2511.64(4)32.0550.541.002.290.330.340.980.2012.42(5)130.0554.730.931.150.030.281.270.0411.27(6)24.5962.771.381.140.120.300.480.079.48(7)14.7874.651.081.780.450.370.920.216.04(8)()134480.91.00.20.31.60.313.8(9)()2759.51.41.00.20.52.00.47.6(10)()33.3248.730.951.780.240.330.900.1013.25(11)()27.2555.511.292.190.291.160.460.0612.16(12)()WBBC24.7560.071.620.960.220.502.280.478.31(13):(1)()(,),(2)(w(TiO2)w(Fe2O3),77%80%),;,w(K2O+Na2O)(3),,,(4),,w(Fe2O3)1%,w(Al2O3)=30%33%,1200öt()(5)4,(6),w(Fe2O3),2%;,w(K2O)(7),,1(),,(8),,,w(Al2O3)=26%,(9)(10)()WBB(11)1600öt,(12)300öt,(13)WBB,3,,,,(C1);,I,;I,(Q31)(),;,CÊÊ,,I942174:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),,(X,)w(Al)öw(Ti)=1531,,,,,()?,1%2%,10%(),,(,),,Al2O3SiO2,(),,,,,SiO2,Fe2O3,Al2O3,,(,,,)?,,,,,pH6,pH4,pH2.5(),(),pH(,),,,,,8%10%,CO2,,()2,Al,,()(2Lm)(),,,,,(),25Lm;(,0.50.05Lm),0522002TanMai.()©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.=7,pH=3.5pH3.0,,(),pH,;(),2,pH=7,Al(OH)+2;Al2pH=4,AlAl3+,,,,0.1%,,(Q3),2,OHCOOH,,,,,,,,:[1].[A]..[C].:,1996.[2].[J].,1998,(1,2).[3].[J].,2001,(3).[4].[M].:,1992.[5].[J].,2002,(2).[6].[J].,1985,(8).GEOLOGICALCHARACTERISTICSANDGENESISOFBALLCLAY,NANNING,GUANGXIPROVINCEINCHINALIUChang-ling1,LISheng-chai2,LIUQin-fu3(1.TianjinGeologicalAcademy,Tianjin300061,China;2.FusuiChangpingBuildingMaterialsFactory,Guangxi,Fusui532100,China;3.MineralResourcesDevelopmentandEngineeringDepartmentofChinaMiningUniversity,Beijing100083,China)Abstract:WeiluoballclaydepositatthesuburbsofNanningmunicipalityoccursinPleistoceneSeriesofQuaternary(Q3)System.DetailexplorationbyGuangxiNo.4Geologicalteamproveditalargesizede2posit.Accordingtothepre2SovietUnionspecificationitwasdefinedasahighqualitykaoliniteorrefracto2ryclaydeposit,ortheirvariantsuitabletoopenmining.Inrecentyearstheauthorscarriedresearchesonthedeposit.Theoremainlyconsistsofdisorderedkaolinite.Genetically,weatheringofvolcanicsformedresidualdepositthatwasexposedtohydrothermalfluidandtheprimarykaolinteoccurred.ThentheresidualdepositwaserodedandthekaolintewastransportedwithwaterandabradedinlongdistancetoWeiluobasinanddepositedinthelakebasinbogs.Underelec2tronictransmissionmicroscopeagreatdealkaoliniteareinhexagonalformthatischaracteristicofbioticcolloidalprecipitation.Generally,itisaclastic2colloidalsedimentaryballclaydeposit.Keywords:Nanningballclay;geologicalcharacteristics;depositgenesis;Guangxi152174:©1994-2007ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.