<正>PRELIMINARYSTUDYONTHEORE-FORMINGCONDITIONSOFTHEAu-Pb-QUARTZVEINTYPEOREDEPOSIT,CHINAHeZhili,XuJiuhua,YangZhenlinandDuJafeng(Dept.ofGeol.,Univ.ofScie.andTech.Beijing,100083Beijing,China)Ore-formingcondition,Au-Pb-quartzvein,oredeposit,ChinaTherearefewAu-Pb-QuartzveintypeoredepositsinothercountriesexceptChina.Itmightberelatedtothegeohistoryandgeotectonicbackground.However,thiskindoforedeposithasanimportanteconomicalsignificanceinChina.Itsformationisduetothedis-tinctivegeologicalconditionsofchina.WendongAu-Pb-QuartztypeoredepositincludingWenyuandDongchuanginXiaoqinlinggoldfieldisthemosttypical.Itisapolygeneticandcompoundoredeposit,JintongchaandotherdepositslyingtothewestofitinXiaoqinlingareaareAu-Pb-Quartzveintypeoredeposits.OthersofthisarealyingtotheeastofJintongchaareAu-Quartzveintype.Thisphenomenonstemsfromthezonnaldistributionofminernalde-positsa
