, 50, 600 t, : ( ) ( ) ( ) 1 ( ) 20 m, 1 160~180 m,,,,,, 1 2 2,,,,, 1,.5~5.5 m,,,,,,, 1, Fig.1 Distributionmapofthegroundwatersamplingpoint 1,

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1 GeologicalScienceandTechnologyInformation Vol.37 No.5 Sep doi: /j.cnki.dzkq ,,. [J].,2018,37(5): ,2, 1 1,2, 1 1, (1., 5000;2. ( ), 5000) :,, Piper Gibbs 122 HCO 3-Ca Mg, 2+ Mg 2+ ( ) HCO 3 SO -Ca Mg SO HCO 3-Ca Mg, 2+ Mg 2+ HCO 3 -,SO 2- HCO 3-Na,Na + Cl - HCO 3 - HCO 3-Ca Mg HCO 3 SO -Ca Mg, HCO 3-Na,Ca 2+ Mg 2+ HCO 3 - SO 2-,Na + Cl - :Piper ; ; ; :P61.3 :A : (2018) ,,, 38% [1],, ( ),,,,, Piper [2] Gibbs [3] N, [],, ( ),,, Fisher 1, [5-11],,,,,, -,,, 20 : : : ( ;150222); (16A170012) : (1981 ),, [email protected] : (1983 ),, [email protected]

2 , 50, 600 t, : ( ) ( ) ( ) 1 ( ) 20 m, 1 160~180 m,,,,,, 1 2 2,,,,, 1,.5~5.5 m,,,,,,, 1, Fig.1 Distributionmapofthegroundwatersamplingpoint 1,,, :E ;m c, (meq/l);m a (meq/l) 2,122 ±5%, ( Piper ),, Gibbs,,, 122,, 32, 21, 32, 37 ( 1), 3 3,, 3.1 Ca 2+ Mg 2+ Na + K + HCO 3 - SO 2- Cl -, 122 Ca 2+ Mg 2+ EDTA,Na + ( 1), Piper K +,SO 2- ( 2) Cl -,HCO 3-1 2, HCO 3 - Ca 2+ Mg 2+, HCO 3 -, (1) mg/l HCO 3-Ca Mg, HCO 3 SO -Ca Mg (TDS), E = mc- ma mc+ ma 100 (1) (meq/l)= ( / ) / ~622.82mg/L, 38.30mg/L

3 5 : Table1 Statisticsofconventionalwaterchemicalironsinmainwaterfiledaquifersinthestudyarea Ca 2+ Mg 2+ Na + +K + HCO - 3 Cl - SO 2- TDS ρb /(mg L -1 ) (N=32) ρb /(mg L -1 ) (N=21) ρb /(mg L -1 ) (N=32) ρb /(mg L -1 ) (N=37) Fig.2 2 Piper Piperthreelinediagram ofhydrochemicalcomposi- tiongroundwaterinthestudyarea HCO 3 - SO 2- Ca 2+, Ca 2+ Mg 2+ CaCO 3 MgCO 3, Na + K +, 78.89~7mg/L, mg/L, ρ ( HCO 3 - ) 297.8~ mg/l, 569.6mg/L HCO 3 - +CO 2-3 Ca 2+ +Mg 2, Piper,,, HCO 3-Ca Mg HCO 3 SO -Ca Mg, HCO 3-Na 1 20 m,,,,, ρ (SO 2- ) ρ (Na + +K + ), mg/L ρ (TDS), ~ Mg 2+ ρ ( SO 2- ) mg/L, mg/L HCO 3 SO -Ca Mg SO HCO Ca Mg ρ ( SO 2- ), Gibbs [12] TDS 56.9~537.5 mg/l, mg/l Na + /(Na + +Ca 2+ ) Cl - /(Cl - +HCO 3- ) ρ (TDS) 296.6~ mg/l, (Gibbs ), 68.1mg/L - HCO 3- Na + K +, 3 Gibbs Ca 2+ Mg 2+ [13-1], HCO 3-Na, Gibbs [15-16],

4 Gibbs, ρ ( TDS) -, Na + /(Na + +Ca 2+ ) Cl - /(Cl - +HCO 3 - ) ( Gibbs ( 3-b) 1), Cl -, Na + /(Na + +Ca 2+ ) Cl - /(Cl - +, HCO 3 - [18] ) 0.5,,, Gibbs, ρ (TDS) Na + /(Na + +Ca 2+ ) Cl - /(Cl - +HCO 3- ) ( 1),,, [17] -,, 3, 2, Gibbs, Gibbs ( 3-a) 3 Gibbs Fig.3 Gibbsmapsofgroundwaterin HebiCoalfield 3.3 c(cl - ), Na , Cl - Na + (1)Na + K + Cl - [21], Na +, - c c(ca 2+ + Mg 2+ )- [19-20] 0.5c(HCO 3 - ), HCO 3 - Na +, Na + Cl a Na + HCO 3-1 1,, : Na NaAlSi 2O 8+8.6H 2O+2CO 2= Na 0.33Al 2.33Si 3.67 O 10 (OH) 2 +2Na + +2HCO , c(na + ) 3.32H SiO (2)

5 5 : 195 Fig. CorrelationdiagramofconventionalionsingroundwaterofHebiCoalfield -b c(ca 2+ +Mg 2+ ) 0.5c(HCO 3 - ) Na + -HCO 3-1 1, Ca 2+ Mg 2+ Na + -a c(cl - ) ( ) -b c(hco 3 - ), c(ca 2+ +Mg 2+ ) 0.5c(HCO 3 - ) Na +, 1 1 Ca 2+ Mg 2+,, Na + ( ) ; HCO 3 - [21] (2)Ca 2+ Mg 2+ HCO 3 - SO 2- -c 1 1 Piper,, Ca 2+ Mg 2+ HCO 3 - SO 2-,, ( ) Ca 2+ Mg 2+ ( ), Ca 2+ Mg 2+ : CaCO 3+H 2CO 3 幑幐 Ca 2+ +2HCO 3 - (3), HCO 3 -, HCO 3 -, CaMg(CO 3 ) 2 +2H 2CO 3 幑幐 Ca 2+ + Mg 2+ +, (2) HCO 3 - () HCO 3 -, CaSO 2H 2O Ca 2+ +SO 2- +2H 2O (5),

6 , (2) -d c(ca F 1 F 2 Mg 2+ ) 0.5c(HCO 3 - +SO 2- ) 1 1, Ca 2+ Mg 2+ SO 2- -c,so 2- HCO 3 - F 2 Ca 2+ + Mg 2+, -d,, Ca 2+ +Mg 2+, Ca 2+ [28], Mg 2+ SO 2-, (6) :, SO 2-2FeS 2+7O 2+2H 2O=2FeSO +H + +2SO 2-, -c,d (6), SO 2- SO 2- H +,, Ca 2+ [29] +, Mg 2+ Ca 2+ Mg 2+ SO 2- Ca 2+ Mg , F 2,, [22-26] (1) 122 Ca 2+ Mg 2+ Na + HCO 3 - Cl - SO 2- TDS, (F 1,F 2,,F n ), [27], 75% 2 F %, F %, %, 5 F 1 F 2, Fig.5 Loaddistributionofthemain waterfiledaquifersinf 1 andf 2inthestudyarea 2 Table2 Load value,eigenvalueandcontributionrateof principalcomponentobtained bythe maximum variancerotationmethod 1(F1) 2(F2) Ca Mg Na HCO Cl SO TDS /% /% F 1 Na + Cl - HCO 3 - TDS Na + HCO 3 - Cl - Na +,,TDS, F 1 (3) 122 F 1-F 2 ( 6),, F 2,, Piper ( 2) HCO 3 - SO 2- Ca 2+ Mg 2+,, Ca 2+

7 5 : 197, Ca 2+ Mg 2+,, 2,, ;,,,, (1) HCO 3-Ca 6 Mg, HCO 3 SO -Ca Mg,TDS Fig.6 Principalcomponentloadscoreofgroundwatersamplesin ; HCO 3 HebiCoalfield SO -Ca Mg SO HCO 3-Ca Mg,SO 2- ; Mg 2+ HCO 3-Ca Mg HCO 3 SO -Ca Mg, HCO 3-Na ;, HCO SO 2- H Na + K +,Ca 2+ Mg 2+, HCO 3-Na, (2), 6,, F 2 F 1, (3) Ca 2+ Mg 2+ HCO 3 - SO 2- ( ) ( Piper ( 2), ),Na + Cl - HCO 3 - Ca 2+ Mg 2+, ρ (TDS) Ca 2+ Mg 2+ HCO 3 -,,SO 2-, Na + Cl -, HCO 3 - Ca 2+ Mg 2+ Na + Cl - Ca 2+ Mg 2+,Na + Cl - HCO 3-6, Ca 2+ Mg 2+ HCO 3- SO 2- F 1,,, Na + Cl - () 122 F 2, F 2, F 1 F 2, HCO 3 - Na + K +,Ca 2+ Mg 2+,Na + K +,

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9 5 : 199 HydrogeochemicalCharacteristicsandControlingFactorsof Main WaterFiledAquifersintheTypicalNorthChinaCoalfield WuYazun 1,2,PanChunfang 1,LinYun 1,2,CaoFeilong 1,WangZijie 1 (1.InstituteofResources& Environment,HenanPolytechnicUniversity, Jiaozhou Henan5000,China;2.ColaborativeInnovationCenterofCoalbed Methaneand ShaleGasforCentralPlainsEconomicRegion,JiaozuoHenan5000,China) Abstract:Thediferenceinthegroundwaterchemistrycaused bythediferentcontrolfactorsduring groundwaterformationandevolutionisthebasisofminewaterinrushsourceidentification.inordertore- vealthehydrochemicalactionandcontrolfactorsofthemainwaterfiledaquifersinthecoalmine,taking thetypicalnorth Chinatypecoalmine,eg.HebiminingarealocatedintheeastpiedmontofTaihang Mountainasanexample,thisstudyanalyzedconventionalwaterchemicalions (Ca 2+,Mg 2+,Na +,K +, HCO - 3,Cl -,SO 2- andtdsof122groundwatersamplesin Hebicoalminingarea,usingstatisticalmeth- ods,piperdiagram,gibbsdiagram,principalcomponentmethodandioncorrelationofmultivariatestatis- tics.theresultsshowthatrockweatheringprocessisthemaininfluencingfactorforthemainwaterfiled aquiferincoalmine.themainhydrochemicaltypesofordovicianlimestonegroundwaterarehco 3-Ca Mg,andCa 2+ and Mg 2+ inwater,mainlycomingfrom dissolutionofcarbonaterocks (calciteanddolo- mite).themainhydrochemicaltypesofgroundwaterinthesecondlimestoneaquiferoftaiyuanformation arehco 3 SO -Ca MgandSO HCO 3-Ca Mg.TheCa 2+,Mg 2+ and HCO 3 - aremainlyfromcarbon- atedissolutionandso 2- derivedfromgypsumdissolutionandoxidationofpyrite.themainhydrochemical typeofsandstonewateris HCO 3-Na.TheNa +,Cl - and HCO 3 - arederivedfrom halitedissolutionand weatheringofsilicateminerals.thehydrochemicaltypesofgroundwaterintheeighthlimestoneaquiferof TaiyuanFormationhaveboththeHCO 3-Ca Mg,HCO 3 SO -Ca MgandHCO 3-Na.Thesourcesofthe Ca 2+,Mg 2+,HCO - and SO 2- areconsistent withthegroundwaterinthesecondlimestoneaquiferof TaiyuanFormation.TheNa + andcl - aremainlyfromdissolutionofhaliteandthemixingprocessbetween groundwaterintheeighthlimestoneaquiferoftaiyuanformationandsandstonegroundwater. Keywords:Piperdiagram;ioncorrelationanalysis;principalcomponentanalysis;NorthChinatypecoal mine

AL O 2SiO 2H O AL O 2SiO + 2H O CaCO3 + CaO CO2 CaSO4 + CaO SO3 CaSO3 + CaO SO2 2AL O + 6SiO 3AL O 2SiO + 4SiO

AL Si O OH 4 2 2 5 K AL Si O 2 3 8 2 3 8 2 3 8 Na AL Si O Ca AL Si O AL O 2SiO 2H O AL O 2SiO + 2H O 2 3 2 2 2 3 2 2 CaCO3 + CaO CO2 CaSO4 + CaO SO3 CaSO3 + CaO SO2 2AL O + 6SiO 3AL O 2SiO + 4SiO 2 3 2