Journal ArticleDOI
Petrogenesis of Middle–Late Triassic volcanic rocks from the Gangdese belt, southern Lhasa terrane: Implications for early subduction of Neo-Tethyan oceanic lithosphere
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TLDR
In this article, the authors presented new geochronological and geochemical (whole-rock major and trace element and Sr-Nd and zircon Hf isotope) data for recently identified volcanic rocks exposed in Changguo area, southernmost part of the Lhasa terrane.About:
This article is published in Lithos.The article was published on 2016-10-01. It has received 161 citations till now. The article focuses on the topics: Volcanic rock & Terrane.read more
Citations
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The Lhasa Terrane: Record of a microcontinent and its histories of drift and growth
Di-Cheng Zhu,Zhidan Zhao,Yaoling Niu,Yaoling Niu,Yaoling Niu,Xuanxue Mo,Sun-Lin Chung,Zengqian Hou,Li-Quan Wang,Fu-Yuan Wu +9 more
TL;DR: Using zircon in situ U-Pb and Lu-Hf isotopic and bulk-rock geochemical data of Mesozoic-Early Tertiary magmatic rocks sampled along four north-south traverses across the Lhasa Terrane, Wang et al. as discussed by the authors showed that the Lhaasa terrane has ancient basement rocks of Proterozoic and Archean ages (up to 2870 Ma) in its centre with younger and juvenile crust (Phanerozoic) accreted towards its both northern and southern edges.
Journal ArticleDOI
Mesozoic─Cenozoic geological evolution of the Himalayan-Tibetan orogen and working tectonic hypotheses
Paul Kapp,Peter G. DeCelles +1 more
TL;DR: In this article, the authors synthesize the Triassic through Cenozoic geology of the central Himalayan-Tibetan orogen and presents their tectonic interpretations in a time series of schematic lithosphere-scale cross-sections and paleogeographic maps.
Journal ArticleDOI
Gangdese magmatism in southern Tibet and India–Asia convergence since 120 Ma
Di-Cheng Zhu,Qing Wang,Sun-Lin Chung,Sun-Lin Chung,Peter A. Cawood,Peter A. Cawood,Zhidan Zhao +6 more
TL;DR: TRELOAR et al. as mentioned in this paper showed that the Gangdese batholith in southern Tibet was emplaced from c. 210 Ma to c. 10 Ma and two intense magmatic pulses within the batholith occur at: (1) 90 ± 5 Ma, which is restricted to 89−94° E in the eastern segment of the southern Lhasa subterrane; and (2) 50 ± 3 Ma, where the latter pulse was followed by a phase of widespread, dominantly felsic adakitic intrusive rocks at 16 ± 2 Ma.
Journal ArticleDOI
Birth and demise of the Bangong-Nujiang Tethyan Ocean: A review from the Gerze area of central Tibet
TL;DR: In this article, the existence of the Bangong-Nujiang Tethyan Ocean (BNTO) is inferred from the presence of dismembered ophiolite bodies along the Lhasa-Qiangtang suture zone.
Journal ArticleDOI
Geochronology and geochemistry of the Early Jurassic Yeba Formation volcanic rocks in southern Tibet: Initiation of back-arc rifting and crustal accretion in the southern Lhasa Terrane
Youqing Wei,Zhidan Zhao,Yaoling Niu,Yaoling Niu,Di-Cheng Zhu,Dong Liu,Qing Wang,Zengqian Hou,Xuanxue Mo,Jiuchuan Wei +9 more
TL;DR: In this paper, a detailed study on the volcanic rocks of the Yeba Formation (YF) with the results offering insights into the ways in which the juvenile crust may be accreted in the southern Lhasa Terrane in the Jurassic.
References
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Chemical and isotopic systematics of oceanic basalt : implications for mantle composition and processes
TL;DR: In this article, trace-element data for mid-ocean ridge basalts and ocean island basalts are used to formulate chemical systematics for oceanic basalts, interpreted in terms of partial-melting conditions, variations in residual mineralogy, involvement of subducted sediment, recycling of oceanic lithosphere and processes within the low velocity zone.
Journal ArticleDOI
Chemical and isotopic systematics of oceanic basalts. Implications for Mantle Composition and Processes
Journal ArticleDOI
Subcommission on geochronology: Convention on the use of decay constants in geo- and cosmochronology
R.H. Steiger,E. Jäger +1 more
TL;DR: The IUGS Subcommission on Geochronology (FOOTNOTE 4) as discussed by the authors recommended the adoption of a standard set of decay constants and isotopic abundances in isotope geology.
Book ChapterDOI
Composition of the Continental Crust
Roberta L. Rudnick,Shan Gao +1 more
TL;DR: In this paper, the present-day composition of the continental crust, the methods employed to derive these estimates, and the implications of continental crust composition for the formation of the continents, Earth differentiation, and its geochemical inventories are discussed.