简介：ＣｏｐｐｅｒｄｅｐｏｓｉｔｉｓｏｎｅｏｆｔｈｅｍｏｓｔｉｍｐｏｒｔａｎｔａｎｄｗｉｄｅｓｐｒｅａｄｏｒｅｓｉｎＣｈｉｎａ．ＴｈｅｃｏｐｐｅｒｍｅｔａｌｏｇｅｎｙｉｎＣｈｉｎａｒｅｖｅａｌｓａｃｏｍｐｌｉｃａｔｅｄｔｅｃｔｏｎｉｃｅｖｏｌｕｔｉｏｎｈｉ...

简介：Accordingtotectono-stratigraphicaldivisionprinciple,differentunitsinKangguertageHuangshancollisionzone,EasternTianshan,aredividedintoorderanddisordertwotypesofstratum-rockassociations,whichbelongtotwokindsofdifferenttectono-volcanicactivitybelts.Thecollisionororenyandductileshearzonehaveastrongspace-timecoupling.Basedontheislandarcbearingvolcanicrockonbothsidesofthecollisionzone,timeofore-formingandrock-forming,characteristicsofcollisiongranit,geochemicalprovince,specialmultistagecollisionorogenyandintracontinentalorogenybasin-formingdevelopedfeatureshavebeenfound.Goldandcopperdeposits,withtherelationtothecollisionorogeny,aredividedintosevengenetictypes.Thetenmetallogeniczonesareclassifiedintotwokindsofore-formingsystemofpaleo-continentalmargin.Metallogenesisofgolddepositscanbeclassifiedintofivestages.Goldandcopperdepositsaredistributedinbeltswiththerelationtothedevelopmentofthecollisionorogeny.Thedistributionofmainlargescalecopperdepositsinthenorthpartofthecollisionzoneandmostlarge-middlescalegolddepositsinthesouthpartofthecollisionzonecandirecttheprospectingforgoldandcopperdeposits.Theactualtargetsareputforward.

简介：TheLamasucopperpolymetallicmineralizedregionliesinthesouthofWenquanCounty,XinjiangandintheNorthwestlakesideoftheSailimuLake.Seenfromthegeotectonicposition,itbelongstoNorthTianshangeodomesystem,Tianshandiwaregion,CentralAsiancrustobody.Copperandzincpolymetallicorebodieshadbeenformedintheskarnofthecontact,betweenthemetamophiccarbonaterocksoftheKuximqiekGroup,JixianSystemandearlymid-Variseanacidicrockbodies.Theformationoftheoredepositwastheresultofthesuccessiveactivitiesofthecrustandmantleandthetectonicandmagmaticactivities.

简介：UndergroundprospectingwithintheLubin-Sieroszowiceminingareawhichtookplaceduringlast5years,ledtoadiscoveryofanewtypeofAu,PtandPdmineralisationlocated0-0.5mbelowthecopper-silverorebodyinthesouth-westernpartofthePolishPermianBasin.Thegold-bearingzoneliesmainlyintheWeissliegendessandstone(IowerPermian),butlocallytransgressesthestratigraphicsequenceintotheoverlyingkupferschieferandWerralimestone(Zechstein).

简介：LaoyalingstratiformcopperdcpositislocatcdlokmeastofTonglingcity,AnhuiProvlncc.ItisatypicalstratiformdcpositinthclowcrandmiddlearcaofYangtzorivcr,farfromplutonicrocksandhostedinPcrmiansilicalites.Thcorcbodicsoccuraslaycr,likelayerandlcnsc,whichhavethesameoccurrcnceasstrataandbotliofthemwcrefoldcd.Ore

简介：<正>TheTongkuangyuporphyrycopperdepositintheZhongtiaoMountains,China,istectonicallylocatedonthesouthernmarginoftheNorthChinaplatformandonthenorthernmarginoftheLateArcheanZhongtiaoshanintracontinentalriftbasin.Thedepositoccursinacopper-bearingformationoftuffaceousvariegatedsandshale-K-richbimodalvolcanicrocksoftheTongkuangyuFormationoftheLateArcheanJiangxianGroup,andtheorebodiesarelocalizedinatransitionportionbetweentuffaceousvariegatedsandshaleandbimodalvolcanicrocks.Thehostrocksconsistmainlyofmetagranodiorite-porphyry,meta-quartzmonzonite-

简介：<正>1.TectonicframeworkinthewestmarginofYangtzePlatformThewestmarginofYangtzeplatformhasclearzonation.Fromnorthtosouth,therearethreelongitudinaltectonicsections:thenorthsectionisLongmenshansection,themiddleisJinhe-ChenghaisectionandthesouthisHonghesection.Fromwesttoeast,threemeritudinalsub-tectonicbeltscanbeseen:1)outerbelt(westbelt)-ancientconti-nentalmargin/shelfseabelt;2)centralbelt-tectonictransformbelt;3)innetbelt(eastbelt)-continentalinnerbeltorinnermarginbelt.Thebasiccharacteristicsofthethreetectonicbeltcanbedescribedasfollows:

简介：TheLancangjiangtectoniczoneinWesternYunnanisanimportantmagmatic,metamorphicandtectonicmobilezoneofSouthwesternChina,whosegeotectoniclocationisveryunique.Itischaracterizedbycomplexgeologicalstructures,perfectlydevelopedstrata,frequentmagmaticactivities,,variousdegreesofmetamorphism,richoreresourcesandlotsofmetaldeposits,thusformedacentralizedzoneofmineralizationandalsoconstitutedoneoftheimportantmetallogenicbeltsofnobleandnonferrousmetaldeposits.

简介：Baifangoredepositisablind,copper-richandCu-U-AgparagenesisoredepositinShuikousbanorefield,Hunan,China.Inthearea,therearethreetectoniclayersincludingthoseofgeosynclineinthedi-rectionofE-WwhichmainlyconsistofupperPalaeozoicgroup,andthoseofplatforminthedirectionofaboutN-SwhichmainlyconsistoflowerPalaco

简介：Basedontheidentificationandenhanciveprocessingofinformationaboutstrata,structure,magmatite,andalterationinore-concentratedareaintheeasternTianshan,anexplorationmodeofremotesensinggeologyisestablished.ThemodecoversbasicimagescomposedofTM(7,4,1),Munsellspacetransformationforrecognizingrocktype,directionalmatchedfilteringforenhancingstructures,multi-layerseparatingandextractingweakalterationinformation.Itwillprovidearapidandeffectivemethodforgeologicalmappingandmetallogenicpredictioninthisregion.

简介：RecentexaminationandassessmentabouttheporphyrycopperdepositsinGangdisemetallogenicbeltinsouthernTibethaverevealedthattheseporphyrycopperdepositsarehighlyprospective.SeveralmethodshavebeenusedfortheisotopicdatingoftheQulong,TinggongandChongjiangporphyrycopperdeposits,whichgivesoutapetrogeneticageof17.58±0.74Ma(single-zircondatingofSHRIMP),ametallogeneticageof15.99±0.32Ma(Re-Osisochrondating)andanalterationagerangingbetween12.00Maand16.5Ma(K-Ardating).Themetallogeneticageisingeneralagreementwiththealterationage.ItcanbeseenthatthepetrogeneticandmetallogeneticagesfortheporphyrycopperdepositsinGangdisemetallogenicbeltarenoticeablylaterthantheageforthecollisionalgraniticintrusioninthisbelt.Theauthorscontendthattheporphyrycopperdepositsinthestudyareawereformedinapost-collisionalextensionaltectonicsetting,andarecloselyrelatedtothedelaminationofthemountainrootsoftheorogenicbeltsandtheupliftingoftheQinghai-TibetPlateau.

简介：DiwabasinsandstonetypecopperdepositsofChinaplayanimportantroleeconomically.Thede-positsarclocatedalongthefringeofadiwabasin.Itsore-bearjngstrataaredepositedinaninlandbasinandcomposedofdarkenedandbIeachedbeds-Bccauseofdiwabasin’sactivity,e1evationandsubsi-dencemovementsoccurfrequent1y.Especially,thcf

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简介：ThePulangporphyrycopperdeposit,locatedintheGezantectonic-magmaticarcandsouthoftheYidunislandarc,southwestofSanjiangmetallogenicbeltinYunnanprovince,isasuper-largeporphyrycopperdeposit.Duringrecentdecades,thePulangdeposithasattractedwideattentionamonggeologistsbothathomeandabroad.Manypreviousresearcheshavediscussedits更多还原

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简介：Lanping-SimaoMesozoic-CenozoicdiwabasinisoneoftheimportantpolymetallicmetallogeneticbeltsinSanjiangarcaUptonow,morethan20mediumandsmall-sizedcopperdepositsand200cop-perorespotshavebeendiscoveredinred-beds(alittleofthemoccurredinPaleozoiestrata).TheymightbeclassificdintothreeorigintyPcs:scdimentary-d

简介：TheYongpingcoppcrdepositissituatedinYansbanCounty,JjangxiProviencc,SouthChina.It’sacopper,sulphur,tungstenandmolybdenumpolymetallicdeposit,andhostedbytheCarboniferousvolcanicsedAnentaryrocksinwhicbYanshaniangraniticporphyries(l35-l6lMa)intruded.Ourstud-jesrevealthemajorconstrainingfactoronmetallogen

简介：LancangriftwhichliesinthcBao-LangcodomesystemofthcwesternYunandiwaregionisaNS-trending,latePalacozoicriftonthcancientland’smargin.ItswestandcastsidesarerisingblockscomposcdofthcLancangformationaIldXimcngforn1ationofmetamorphicrocks,andbclongtogcosyn-clinestructurallatcr.lnlatcrpa1acozoic,NS-trending

简介：ThreemajortypesofOrdovicianintrusive-relatedgold-copperdepositsarerecognizedincentral-westNewSouthWales,Australia:porphyry,skarnandhighsulphidationepithermaldeposits.ThesedepositsaremainlydistributedwithintwoOrdovicianvolcano-intrusivebeltsoftheLachlanFoldBelt:theOrange-WellingtonBeltandtheParkes-NarromineBelt.AvailableisotopicagedatasuggestthatmineralizationofthethreetypesofdepositsisessentiallycoevalwiththeOrdovicianintrusiverocks(480-430Ma).Porphyrygold-copperdepositscanbefurtherdividedintotwogroups.Thefirstgroupisassociatedwithmonzoniteshowingshoshoniticfeatures,representedbyCadiaandGoonumbla.Thesecondgroupisassociatedwithdioriteanddacite,includingtheCopperHillandCargogold-copperdeposits.GoldskarnisassociatedwithLateOrdovician(430-439Ma)monzoniticintrusivecomplexesintheJunctionReefsarea(Sheahan-Grants,Frenchmans,andCor-nishmens),Endeavour6,7and44,BigandLittleCadia

简介：1.Introdution:Thestudiedoredepositislocatedinthebeltofpolymetallicoredepositsinthemiddle-lowcourseoftheYangtzeRiver,andTanchcng-LujiangandXiaotian-Mozhitandeepfracturezoneslieinthewestadsouthpartoftheoredepositrcspectivcly.Lujiang-Zhongyangvolcanicbasin(theMesozoicEra)liesineast,andtheoredistrictisa