丁家山古楼山金矿床成矿流体储运规律

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281Vol.28No.120063JournalofEarthSciencesandEnvironmentMar.2006[]2005-04-01[]((2001~2004))[](1964-),,,,。1112(1.,710100;2.,710054)。,、、,、。,、。:;;,;;。;;;;;;P618.510.1A1672-6561(2006)01-0024-04StorageandMovingofOre-formingFluidofDingjiashan-GulushanGoldDepositLIUXin-hui1,LIUShuang1,LIYuan1,WEIKuan-yi2(1.5thGoldGeologicalDetachment,CAPF,Xin’an710100,Shaanxi,China;2.SchoolofEarthSciencesandResourcesManagement,Chang’anUniversity,Xi’an710054,Shaanxi,China)Abstract:TheupperDevonianNanyangshanFormationandlowerCarboniferousYuanjiagouFormationlayersarethesourcerocksoftheJinlongshan-Qiulinggoldmine.Thesourcerocksarefrequentinterbeddingoffine-grainedclasticrocksandcarbonaterocks.Fine-grainedsandstones,siltstonesandcarbonaterocksarebetterthanshalesandslatesinthesenseofphysicalnatureforore-formingfluid.Inthemetallogeniccourse,fracturingdeformationscloselycorrespondtotheformation,storageandmovingoftheore-formingfluid.Theprocessis:0primarystructuresresultinthefirstcollectionoftheore-formingfluid;1thefirstfracturingdeformationresultsinthecollectionoftheore-formingfluid;2thesecondfracturingdeformationresultsinthemovingandgolddepositionoftheore-formingfluid;3thethirdfrac-turingdeformationresultsinthefurthercollectionoftheore-formingfluidandtheenrichmentofthegolddeposits;4thefourthfracturingdeformationcorrespondstothequartz-calciatevein.Keywords:golddeposit;ore-formingfluid;containingledge;fracturingdeformation;prospectingdirection;Zhen’an;ShaanxiProvince0“”[13]。2080,,,,。20,,,。1()()#---,(1)。,[45]。#、、。$。%()。。[1,5],、。,。。。、、,。、。2。、、、()。2.1、、、、。、、、、:、,,,,。,,。、,,,、,,、、,,,,,。2.2、、。、、、、。,,。,,,,,[6]。,,。33.1[1],:c(K+Na+),:c(SO2-4+CO-3)c(F-+Cl-);HO2,CO2,CH4,CO,N2(1)。1-;2-;3-;4-;5-;6-;7-;8-;9-;10-;11-;12-;13-;14-;15-;1Fig.1SimplifiedGeologicalMapoftheDingjiashanGuloushanGoldDeposit521,:1Tab.1Physic-chemicolParameterofOre-formingFluidofDingjiashan-GuloushanGoldDepositT/℃218~250216~350p/105Pa475430h/km1.91.72ρ/(g·cm-3)0.9080.945w(NaCl)/%5.77.85M/(g·L-1)63.7851.20.170.09pH5.545.48lg[f(CO2)]/105Pa10.2512.44lg[f(O2)]/105Pa-40.57-40.2lg[f(S2)]/105Pa-16~-1.5-15.8~-15Eh/V-0.527-0.5093.21,,,,,,K+-Na+/S2--HS--HCO-3、、。4、[1]。,4。4.1(D0),,。、、、[7]。,,,。,。,、3.5~4.0km。,。RNGinsbus[7],3048m,80%8%;,;[7]。,、,(2a)。,,(3.1~3.9)℃/hm,,,108.5℃~156℃(,)。3.5~4.0km,108.5℃~156℃,(430~475)×10-5Pa,Au,S,Fe,As,Sb,。2Fig.2HintmapoftheStorageandMovingRegularofOre-formingFluid4.2(D1)。、、[1]。,,。,,,。,,,,,,,,[7]。,As,Sb,Hg,[8]。,H2Au(Sb,As)S03H2Au(Sb,As)S-2[1]。,,(2b)。,6228,(2c)。,。,,、、、、,,,,。,,。,(2d)。,,。4.3(D2),,,,,。、,,,。,、,,,,,。,,、、。,,,。。4.4(D3),。、,。,Au,As,S,Fe。、[9]。4.5(D4),、、,。,。,,,,,、。5、、,:(1)--,,,。(2),,-,。(3),。[][1],,,.[M].:,1997.[2].-[J].,1990,8(4):1113.[3],,,.[M].:,2001.[4],,,.[J].,2003,8():3235.[5],,,.[J].,2004,39(4):486495.[6],,.[J].,2004,31(4):406410.[7],,,.[J].,2004,10(2):16.[8],.[J].,2001,23(1):2024.[9],,.[J].,2001,23(3):1114.721,:

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