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DOI10.1146/annurev-earth-032320-110452
Continental Crustal Growth Processes Recorded in the Gangdese Batholith, Southern Tibet
Zhu, Di-Cheng; Wang, Qing; Weinberg, Roberto F.; Cawood, Peter A.; Zhao, Zhidan; Hou, Zeng-Qian; Mo, Xuan-Xue
发表日期2023
ISSN0084-6597
EISSN1545-4495
起始页码155
结束页码188
卷号51
英文摘要The continental crust in the overriding plate of the India-Asia collision zone in southern Tibet is characterized by an overthickened layer of felsic composition with an underlying granulite-eclogite layer. A large data set indicates that this crust experienced magmatism from 245 to 10 Ma, as recorded by the Gangdese Batholith. Magmatism was punctuated by flare-ups at 185 90 and 55 Ma caused by a combination of external and internal factors. The growth of this crust starts with a period dominated by fractional crystallization and the formation of voluminous (ultra)mafic arc cumulates in the lower crust during subduction, followed by their melting during late-subduction and collision, due to changes in convergence rate. This combined accumulation-melting process resulted in the vertical stratification and density sorting of the Gangdese crust. Comparisons with other similarly thickened collision zones suggests that this is a general process that leads to the stabilization of continental crust.
关键词magmatic arccrustal stratificationcrustal growthcollision zoneGangdese BatholithTibet
英文关键词ZIRCON U-PB; LHASA TERRANE; SLAB BREAKOFF; SIERRA-NEVADA; OROGENIC EVOLUTION; INTRUSIVE ROCKS; TRACE-ELEMENT; FLARE-UP; ARC; MAGMATISM
WOS研究方向Astronomy & Astrophysics ; Geosciences, Multidisciplinary
WOS记录号WOS:000998943200008
来源期刊ANNUAL REVIEW OF EARTH AND PLANETARY SCIENCES
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/282664
作者单位China University of Geosciences - Beijing; Monash University; China Geological Survey; Chinese Academy of Geological Sciences; Institute of Geology, Chinese Academy of Geological Sciences
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Zhu, Di-Cheng,Wang, Qing,Weinberg, Roberto F.,et al. Continental Crustal Growth Processes Recorded in the Gangdese Batholith, Southern Tibet[J],2023,51.
APA Zhu, Di-Cheng.,Wang, Qing.,Weinberg, Roberto F..,Cawood, Peter A..,Zhao, Zhidan.,...&Mo, Xuan-Xue.(2023).Continental Crustal Growth Processes Recorded in the Gangdese Batholith, Southern Tibet.ANNUAL REVIEW OF EARTH AND PLANETARY SCIENCES,51.
MLA Zhu, Di-Cheng,et al."Continental Crustal Growth Processes Recorded in the Gangdese Batholith, Southern Tibet".ANNUAL REVIEW OF EARTH AND PLANETARY SCIENCES 51(2023).
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