%0 Journal Article %T DistributionCharacteristicsandMetallogenicRegularityofGraphiteDepositsinQinlingOrogen,China %A FENG %A Yangwei %A *QU %A Hongjun %A YANG %A Chenyi %A and %A LV %A Lushi %J µØÖÊѧ±¨ %P 1244-1263 %D 2015 %X Qinlingorogenisoneofthefivemainrepositorydistributionprovincesoflargescalegraphiteresources.GraphiteoccurrencestrataaremultitudinousincludingNeoArchaeangrouptoNeopaleozoic.Mineraldeposittypesarecompleteconsistingofcrystalflakygraphitedepositandaphaniticgraphitedeposit,oretypesoftheformeraremaingraphitegneiss,graphiteschistandgraphitizedmarble,andoretypesofthelatteraremaingraphitelayermetamorphosisedfromcoalbedandgraphiticcarbargilite.Atpresent,mostgraphitedepositswithlowresearchdegreeonlyimplementpreliminaryinvestigationsofthegraphiteresource,whichhasagoodprospect.Basedonthebasicmaterialofdozensofgraphitedeposits,spotsandplaysdiscoveredintheQinlingorogen,thispaperappliedgeologicmultidisciplinaryanalysismethodtodisclosethegraphitedeposittypesoftheQinlingorogen,mainlythroughoutdoorsgeologicsurveyandspecimenexaminationwithanalysisofsometypicaldeposits:regionalmetamorphismcrystalgraphitedepositsandthermo-contactmetamorphicaphaniticgraphitedeposits,withthecontroloflatitudinallytrendingregionaltectonic,graphitedepositsoftheQinlingorogendistributesublatitudinallytrendingthreelargeorebelts:ItheNeoarchean£¿ProterozoicbasementcrystalgraphiteenrichmentdepositszonealongthesouthmarginofNorthChinaplate;IItheCarboniferousintermountainbasingroupaphaniticgraphiteenrichmentdepositszoneneartheShangdansutureoftheWestQinling;IIIPaleozoiccrystalgraphiteenrichmentdepositszoneintheQinlingpaleomicroplateofthewestpartoftheEastQinling.Conclusionsarereachedfrommultipleinquiries:Qinlingmulti-cyclecomplexcontinentalcollisionorogenzonehasexperiencedmultipletectonicframeworktransformationandpolyphasetectonicthermaleventfromNeoArcheanErathemadjointingmultiplegraphitetectonicmineralizationcycle.Inthelightofchiefcontrolofmineralizationandoretypes,eachofthethreelargegraphitedepositsbeltsoftheQinlingorogenhasitsowngenesis:IgraphitedepositsenrichedmetallogeneticzoneisthatregionaltectogeneticmovementfromNeoArchaeancausedpolyphasemetapepsis,whichsuperimposedupandreconstructedNeoArcheanErathemtoProterozoicbasement,formingregionalmetamorphicbigflakecrystalgraphitedeposits;IIgraphitedepositsenrichedmetallogeneticzoneisthatpolyphaseregionaltectogeneticmovementassociatedwithmultipleheatingcausedbymultiphaseigneousintrusion,whichresultedinoriginalcoallayersemergingmultiplethermo-contactmetamorphismsandformedthermo-contactmetamorphicaphaniticgraphitedeposits.IIIgraphitedepositsenrichedmetallogeneticzoneisthatPalaeozoiccap£¿rockexperiencedpolyphasemetapepsis,formingregionalmetamorphicfinelyflakecrystalgraphitedeposits.Comprehensiveresearchofmetallogeneticmechanismingraphitedepositsanditsassociatedprofit %K Qinlingorogen %K graphitedeposits %K graphitegneiss %K Metallogenicregularity %U http://www.geojournals.cn/dzxb/ch/reader/view_abstract.aspx?file_no=201504013&flag=1