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Touping Peng
Chinese Academy of Sciences
GeologyBasaltGeochemistryZirconPetrology
40Publications
25H-index
2,231Citations
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Publications 42
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#1Jin-Xiang Li (CAS: Chinese Academy of Sciences)H-Index: 13
#2Weiming Fan (CAS: Chinese Academy of Sciences)H-Index: 58
Last. Kyaing SeinH-Index: 3
view all 8 authors...
Cretaceous mafic–felsic intrusions are extensively distributed in the West Burma terrane (Myanmar), but their petrogenesis and tectonic setting still remain unclear. In this study, whole-rock geochemical and Sr–Nd as well as zircon U–Pb and Hf isotopic data for the Cretaceous mafic–felsic intrusions from the Banmauk–Kawlin area (northern Myanmar) are presented. Precise zircon U–Pb dating results indicate that they emplaced at Cretaceous (~ 110–90 Ma) and likely belong to an eastward extension of...
1 CitationsSource
#1Hai-Quan Liu (CAS: Chinese Academy of Sciences)H-Index: 6
#2Graciano P. Yumul (UPLB: University of the Philippines Los Baños)H-Index: 2
Last. Valerie Shayne V. Olfindo (UP: University of the Philippines)H-Index: 1
view all 11 authors...
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#2Touping PengH-Index: 25
Last. Bingxia PengH-Index: 9
view all 7 authors...
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#1Jin-Xiang Li (CAS: Chinese Academy of Sciences)H-Index: 13
#2Weiming Fan (CAS: Chinese Academy of Sciences)H-Index: 58
Last. Kyaing SeinH-Index: 4
view all 9 authors...
Abstract Subduction of the Indian continental lithosphere in the eastern Tibet-Himalaya orogenic belt remains unclear. Newly reported zircon U-Pb ages in this study indicate that the Shangalon intermediate-felsic magmatic rocks in northern Myanmar formed at Eocene-Oligocene (~ 40–32 Ma). They have calc-alkaline to shoshonitic characteristics, LREE-enriched patterns, enrichments in LILE (e.g., Rb, Cs), and depletions in HFSE (e.g., Nb). Obviously, they show the higher initial Sr and lower Nd-Hf i...
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#1Xiaohan Dong (CAS: Chinese Academy of Sciences)H-Index: 1
#2Touping Peng (CAS: Chinese Academy of Sciences)H-Index: 25
Last. Lin-Li Chen (CAS: Chinese Academy of Sciences)H-Index: 3
view all 11 authors...
Abstract Early Cretaceous granitoids are widespread on the Tibetan Plateau and record the tectonic evolution of several Tethyan oceans. We describe Early Cretaceous high-Mg (Mg # > 50) and low-Mg (Mg # Pb dating reveals two episodes of granitoid emplacement at ~122 and ~117 Ma. High-Mg series rocks have higher Mg # and compatible element concentrations (e.g., Cr and Ni) than low-Mg series samples. Their Mg # and compatible element abundances are also elevated relative to an experimental melt gen...
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#1Jingyi Zhang (CAS: Chinese Academy of Sciences)H-Index: 1
#2Touping Peng (CAS: Chinese Academy of Sciences)H-Index: 25
Last. Xirong Liang (CAS: Chinese Academy of Sciences)H-Index: 2
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Abstract Cretaceous granites are widely exposed in the Tengchong Terrane that is the southern extension of the Tibetan Plateau, resulting from the evolution of the Tethys. They, therefore, play a critical role in deciphering the Tethys evolution and the growth of the Tibetan Plateau. In this paper, we present new zircon U Pb dating and Hf isotopic results, along with whole-rock elemental and Sr Nd isotopic data of the granitoids from the Lushui-Pianma (LP) batholith and its mafic enclaves and th...
1 CitationsSource
#1Wanfeng Zhang (CAS: Chinese Academy of Sciences)H-Index: 2
#2Xiaoping Xia (CAS: Chinese Academy of Sciences)H-Index: 34
Last. Qing Yang (CAS: Chinese Academy of Sciences)H-Index: 3
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Secondary ion mass spectrometry (SIMS) has been applied to analyze a wide range of materials for earth science research due to its high sensitivity, high precision and capacity for in situ micro-analysis. This technique operates under ultra-high vacuum (UHV) conditions, especially for water content measurements on nominally anhydrous minerals (NAMs). However, UHV conditions are hard to achieve when using epoxy mounts, which degas readily during the vacuum processes. In this study, we developed a...
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#1Xiaoqin Deng (CAS: Chinese Academy of Sciences)H-Index: 2
#2Touping Peng (CAS: Chinese Academy of Sciences)H-Index: 25
Last. ZHAOTaiping (CAS: Chinese Academy of Sciences)H-Index: 19
view all 3 authors...
Abstract The occurrence of extensional-related A-type granites with a high-K nature in some early Precambrian blocks hints a possible link with the orogeny, and may imply the ending of the orogenic processes and the beginning of craton stabilization. The newly recognized late Paleoproterozoic A-type granite, the Guijiayu pluton composed of monzogranites in the Xiaoqinling area of the southern margin of the North China Craton (NCC), is a promising locus to investigate the late Paleoproterozoic te...
11 CitationsSource
#1Xiaoqin Deng (CAS: Chinese Academy of Sciences)H-Index: 2
#2ZHAOTaiping (CAS: Chinese Academy of Sciences)H-Index: 19
Last. Touping Peng (CAS: Chinese Academy of Sciences)H-Index: 25
view all 3 authors...
Abstract A-type granites are a spectrum of especial felsic rocks that are produced commonly within an extensional environment. They are rare before middle Paleoproterozoic but present abundantly since the late Paleoproterozoic, probably indicating a causal change of tectonics and geodynamic mechanism in the continental evolution of the Earth. An early Mesoproterozoic A-type granite belt was recognized in the southern margin of the North China Craton (NCC) in recent decades. The occurrence of thi...
14 CitationsSource
#1Touping Peng (CAS: Chinese Academy of Sciences)H-Index: 25
#2Guochun Zhao (HKU: University of Hong Kong)H-Index: 97
Last. Yongsheng Mao (CAS: Chinese Academy of Sciences)H-Index: 4
view all 5 authors...
Abstract Triassic granites are widely exposed in the central Qiangtang, northern Tibetan Plateau. They, therefore, made an important contribution to the growth of the Tibetan Plateau. In this paper, we present zircon U–Pb dating and Hf isotopic results, and whole-rock elemental and Sr–Nd isotopic analyses of the Dongdashan (DDS) batholith in the central Qiangtang in order to understand their petrogenesis and tectonic setting. LA-MC-ICP-MS zircon U–Pb results show that the DDS batholith was empla...
45 CitationsSource
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