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1、COMPARATIVEGEOLOGYANDGEOCHEMISTRYOFSEDIMENTARYROCK-HOSTED(CARLIN-TYPE)GOLDDEPOSITSINTHEPEOPLE’SREPUBLICOFCHINAANDINNEVADA,USAbyZhipingLiandStephenG.PetersAbstractGoldisdisseminatedinsedimentaryrock-hostedgolddeposits.ThemainopaqueSedimentaryrock-hosted(Carlin-type)mineralsincludegold,electr
2、um,pyrite,golddepositshavebeenconsideredarsenopyrite,stibnite,orpiment,realgar,andeconomicallysignificantandgeologicallycinnabar;ganguemineralsarequartz,barite,distinctsincetheearly1960's.Similardepositsorganiccarbon,carbonateandclayminerals,havebeendiscoveredinP.R.China,Australia,andlocala
3、lbite.ElementsassociatedwithgoldDominicanRepublic,Spain,Russia,Malaysia,inNevadadeposits,As,Sb,andHg,alsoarePhilippines,Yugoslavia,andGreece,incloselyassociatedwiththeChinesedeposits,additiontotheGreatBasin,US.ThisreportbutUdepositsalsoareassociatedwithsomecontainsdataon113sedimentaryrock-h
4、ostedgolddepositsinChina,andplatinumgroupgolddeposits(prospects)insouthwestandelements(PGEs)alsolocallyareenrichedtocentralPeople’sRepublicofChina.Ofthese,economiclevelsinsomeofthesedeposits.atleast19depositsareofsubstantialtonnage,Lowsalinityfluidinclusions(3to9wt.percentmakingP.R.Chinathe
5、secondleadingcountryNaClequivalent)andlimitedstableisotopetotheUnitedStatesinexploitingthesedatasuggestpossiblemultiplesourcesofdeposits.AnewProterozoicagesedimentarymetallogenicfluidsintheChinesedeposits,rock-hostedgolddepositinnortheasternP.R.similartothoseinNevada.TrappingChinaalsoisdesc
6、ribed.temperaturesvaryfrom165to290°C,andpressuresofformationrangefrom52to560Chinesesedimentaryrock-hostedbars,indicatingthatChineseCarlin-typegolddepositsaremainlylocatedalongthemarginsdepositsformedatorbelowtheepithermalofthePrecambrianYangtzcraton.Theirenvironment.distributioniscontrolled
7、byregionalrifts,whereassecondarystructures,suchasshort-axialanticlines,high-anglefaults,strataboundINTRODUCTIONbrecciabodies,andunconformitysurfaces,alsoarefavorablehoststructures.TheThepurposeofthispaperistodepositsarefoundinsedimentaryformationsdescrib
