The zircon SHRIMP chronology and trace element geochemistry of the Carboniferous volcanic rocks in western Tianshan Mountains
基本介紹
- 中文名：幕-國際地學雜誌（英文版）
- 分類號： P3
- 機標分類號：P5P3
- 基金項目：國家自然科學基金
Abstract,期刊,基金項目,參考文獻,相似文獻,
Abstract
ThegenesisofthecarboniferousvolcanicrocksintheDahalajunshangroup,mainlyconsistingoftrachytesandtrachy-andesitesanddistributingwidelyinwesternTianshanMountains,remainstobecontroversial.Ithasbeenproposedtoberelevantto"rift"or"plume".Detailedpetrologyandgeochemicaldatapresentedinthispapershowthatthesevolcanicrocksrepresenttypicalcontinentalarcmagmatism.Thevolcanicrocksaremainlytrachy-andesitic,andthemagmasourceisenrichedinLILE,ThandPb,anddepletedinHFSEandCe.Traceelementgeochemicalstudysuggeststhatthebasaltscouldbemodeledby7%-11%partialmeltofgarnetlherzolite.ThevolcanicrocksintheDahalajunshangroupareneithertheproductsof"rift"norso-called"plume"butrepresentthecontinentalislandarcofthePaleo-SouthernTianshanOcean.Themantlewedgehadbeenmodifiedbythemeltgeneratinginsubductionzoneduringalongevolutionhistoryofthisislandarc.Thecontinentalcrustmaterials(i.e.mainlysedimentonoceanfloor)hadbeenaddedintoislandarcthroughmeltinsubductionzone.Volcanicrocksoccurringindifferentregionsmightrepresentmagmaeruptionindifferenttime.ThezirconSHRIMPdatingindicatesthattheagesofthebasaltvariesbetween334.0Maand394.9Ma.The13analysesgiveanaverageageof353.7(4.5Ma(MSWD=1.7).Theapparentagesofzirconsintrachy-andesitevarybetween293.0Maand465.4Ma.AllanalysesfallontheU-Pbconcordantlineandaredividedintotwogroups.8analysesproduceanaverageageof312.8(4.2Ma(MSWD=1.7),whichrepresentsthecrystallizingageofzirconRIMSintrachy-andesite.Theacquiredtwoages(i.e.354and313Ma)belongtotheEarlyCarboniferousandLateCarboniferousepochs,respectively.Thus,theDahalajunshangroupwouldbeseparatedintoseveralgroupswiththeaccumulationofhigh-qualityagedatinganddataoftraceelementandisotopicgeochemistry,inouropinion.
期刊
科學通報（英文版）SCI
Journal：
CHINESESCIENCEBULLETIN
年，卷(期)：
2005,50(19)
分類號：
P3
Keywords：
zirconSHRIMPislandarcDahalajunshangroupXinjiangWesternTianshanMountains
機標分類號P5P3
機標關鍵字westernTianshanMountainsvolcanicrockstraceelementgeochemistryDahalajunshangroupsubductionzoneislandarcaverageageEarlyCarboniferousgarnetlherzolitecontinentalcrustgeochemicaldataSHRIMPdatingarcmagmatism
Journal：
CHINESESCIENCEBULLETIN
年，卷(期)：
2005,50(19)
分類號：
P3
Keywords：
zirconSHRIMPislandarcDahalajunshangroupXinjiangWesternTianshanMountains
機標分類號P5P3
機標關鍵字westernTianshanMountainsvolcanicrockstraceelementgeochemistryDahalajunshangroupsubductionzoneislandarcaverageageEarlyCarboniferousgarnetlherzolitecontinentalcrustgeochemicaldataSHRIMPdatingarcmagmatism
基金項目
國家自然科學基金，國家重點基礎研究發展計畫(973計畫)
DOI：
10.1360/03wd0154
DOI：
10.1360/03wd0154
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4. 期刊論文陝南勉略寧地區銅廠閃長岩岩石地球化學及SHRIMP鋯石U-Pb同位素年代學-岩石學報2009,25(11)
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4. 鄭碧海.朱文斌.舒良樹.張志勇.於俊傑.黃文濤阿克蘇前寒武紀藍片岩原岩產出的大地構造背景[期刊論文]-岩石學報2008(12)
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1. 外文期刊ThezirconSHRIMPchronologyandtraceelementgeochemistryoftheCarboniferousvolcanicrocksinwesternTianshanMountains2005
2. 外文期刊U-PbSHRIMPagesandtectonicsettingoftheMunsterSuiteoftheMargateTerraneoftheNatalMetamorphicBelt2009
3. 外文期刊U-PbzirconSHRIMPages,geochemicalandSr-Nd-PbisotopiccompositionsofintrusiverocksfromtheLongshan-TianshuiareainthesoutheastcorneroftheQilianorogenicbelt,China:Constraintsonpetrogenesisandtectonicaffinity2006
4. 期刊論文陝南勉略寧地區銅廠閃長岩岩石地球化學及SHRIMP鋯石U-Pb同位素年代學-岩石學報2009,25(11)
5. 期刊論文RelationshipbetweenGraniteandEclogiteontheSouthernMarginoftheQilianMountains:EvidencefromZirconSHRIMPAgesoftheAolaoshanGranite-地質學報(英文版)2002,76(1)
6. 外文期刊RelationshipbetweenGraniteandEclogiteontheSouthernMarginoftheQilianMountains:EvidencefromZirconSHRIMPAgesoftheAolaoshanGranite2002
7. 期刊論文ZirconSHRIMPgeochronologyandgeochemistryofTTGrocksinSushuiComplexfromZhongtiaoMountainswithitsgeologicalimplications-自然科學進展（英文版）2006,16(5)
8. 外文期刊ArcheanCRUSTALEVOLUTIONOFTHEJIAODONGPENINSULA,CHINA,ASREVEALEDBYZIRCONSHRIMPGEOCHRONOLOGY,ELEMENTALANDNd-ISOTOPEGEOCHEMISTRY2008
9. 外文期刊ZirconSHRIMPgeochronologyandgeochemistryofTTGrocksinSushuiComplexfromZhongtiaoMountainswithitsgeologicalimplications2006
10. 外文期刊U-PbSHRIMPagesandtectonicsettingoftheMunsterSuiteoftheMargateTerraneoftheNatalMetamorphicBelt2009
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1. Geologicalprocessofglacier
2.地球科學原理之19板塊假說的問題及人類對島弧的認識
引證文獻(52條)
1. 陳石.張元元.郭召傑新疆三塘湖盆地後碰撞火山岩的鋯石SHRIMPU-Pb定年及其地質意義[期刊論文]-岩石學報2009(3)
2. 張元元.陳石.郭召傑.方世虎東準噶爾扎河壩地區古生代晚期火山岩的鋯石SHRIMPU-Pb定年及其地質意義[期刊論文]-岩石學報2009(3)
3. 安芳.朱永峰新疆阿希金礦礦床地質和地球化學研究[期刊論文]-礦床地質2009(2)
4. 鄭碧海.朱文斌.舒良樹.張志勇.於俊傑.黃文濤阿克蘇前寒武紀藍片岩原岩產出的大地構造背景[期刊論文]-岩石學報2008(12)
5. 梁濤.羅照華.李德東.黃凡.楊宗鋒.陳必河托雲盆地新生代幔源岩漿源區起止深度的限定[期刊論文]-岩石學報2008(12)
6. 蘇春乾.姜常義.夏明哲.張雷.姬厚貴.郭芳放.劉秀金新疆覺羅塔格構造帶新元古代變質核雜岩鋯石U-Pb年齡與地質意義[期刊論文]-岩石學報2008(12)
7. 郭芳放.姜常義.蘇春乾.夏明哲.夏昭德.魏巍準噶爾板塊東南緣沙爾德蘭地區A型花崗岩構造環境研究[期刊論文]-岩石學報2008(12)
8. 朱志新.李錦軼.董連慧.張曉帆.胡建衛.王克卓新疆南天山盲起蘇晚石炭世侵入岩的確定及對南天山洋盆閉合時限的限定[期刊論文]-岩石學報2008(12)
9. 夏明哲.姜常義.錢壯志.孫濤.夏昭德.盧榮輝新疆東天山葫蘆岩體岩石學與地球化學研究[期刊論文]-岩石學報2008(12)
10.劉四海.吳昌志.顧連興.張遵忠.唐俊華.黎廣榮.雷如雄.汪傳勝中天山白石頭泉岩體年代學、岩石成因及構造意義[期刊論文]-岩石學報2008(12)
