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Newly discovered Early Carboniferous and Late Permian magmatic rocks in eastern Myanmar: Implications for the tectonic evolution of the eastern Paleo-Tethys

文献类型：期刊论文

作者Hu, Fangyang1,3,4; Wu, Fu-Yuan2,3,5; Wang, Jian-Gang2,3,5; Ducea, Mihai N.4,6; Chapman, James B.7; Zaw, Khin8; Lin, Wei2,3,5; Sein, Kyaing9; Meffre, Sebastien8
刊名JOURNAL OF ASIAN EARTH SCIENCES
出版日期2022-04-15
卷号227页码:22
ISSN号1367-9120
关键词Eastern Myanmar Paleo-Tethys Magmatic rocks Petrogenesis Tectonic evolution
DOI10.1016/j.jseaes.2022.105093
英文摘要Eastern Myanmar is located at the junction of the Changning-Menglian and Chiang Rai-Chiang Mai zone and is a crucial region for constraining the evolution of the eastern Paleo-Tethys. This study presents new zircon U-Pb geochronological, mineral and whole-rock geochemical, and Sr-Nd-Hf-O isotopic data for magmatic rocks from the Sukhothai arc in eastern Myanmar. The rock suites analyzed include 360-355 Ma basaltic rocks and trondhjemitic dikes, and 257-254 Ma volcanic rocks and gabbroic cumulates. The basaltic rocks were derived from partial melting of me ' lange pair with peridotite and experienced assimilation and fractional crystallization (AFC). The trondhjemitic dikes were formed by partial melting of the basaltic rocks and experienced fractional crystallization at shallow depth. We suggest that andesite and dacite were derived from partial melting of depleted mantle wedge and underwent AFC process. The gabbroic cumulates are a crystallizing phase associated with the melts that produced the coeval volcanic rocks. We propose that eastern Myanmar, Central Tibet, SW Yunnan and Southeast Asia share a similar three-staged magmatic history, forming a ~ 4000 km long magmatic belt. Stage I records the magmatic events related to subduction of the eastern Paleo-Tethys Ocean during the Early Carboniferous. A back-arc basin was opened during the Late Carboniferous, and extensive subductionrelated magmatism was followed since the Permian. Stage II records the igneous rocks formed during the final amalgamation between the Indochina and Sibumasu Blocks during the Late Permian to Middle Triassic. Stage III is defined by the post-collisional magmatism distributed across the suture zone during the Late Triassic.
WOS关键词SOUTHERN LANCANGJIANG ZONE ; CHANGNING-MENGLIAN BELT ; VOLCANIC-ROCKS ; LU-HF ; GEOCHEMICAL CONSTRAINTS ; TIBET IMPLICATIONS ; NORTHERN TIBET ; OCEAN BASINS ; SUTURE ZONE ; SW CHINA
资助项目National Natural Science Foundation of China[91755000] ; National Natural Science Foundation of China[41888101] ; National Natural Science Foundation of China[41902055] ; China Postdoctoral Science Foundation[2018M640177] ; US National Science Foundation[EAR 1725002] ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project[PN-III-P4-ID-PCCF-2016-0014]
WOS研究方向Geology
语种英语
出版者PERGAMON-ELSEVIER SCIENCE LTD
WOS记录号WOS:000788147600001
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; US National Science Foundation ; US National Science Foundation ; US National Science Foundation ; US National Science Foundation ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; US National Science Foundation ; US National Science Foundation ; US National Science Foundation ; US National Science Foundation ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; US National Science Foundation ; US National Science Foundation ; US National Science Foundation ; US National Science Foundation ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; US National Science Foundation ; US National Science Foundation ; US National Science Foundation ; US National Science Foundation ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project ; Romanian Executive Agency for Higher Education, Research, Development and Innovation Funding (UEFISCDI) project
源URL[http://ir.iggcas.ac.cn/handle/132A11/105142]  
专题地质与地球物理研究所_中国科学院矿产资源研究重点实验室
地质与地球物理研究所_岩石圈演化国家重点实验室
通讯作者Hu, Fangyang
作者单位1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, Beijing, Peoples R China
2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
3.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing, Peoples R China
4.Univ Arizona, Dept Geosci, Tucson, AZ 85721 USA
5.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
6.Univ Bucharest, Fac Geol & Geophys, Bucharest, Romania
7.Univ Wyoming, Dept Geol & Geophys, Laramie, WY 82071 USA
8.Univ Tasmania, CODES Ctr Ore Deposit & Earth Sci, Hobart, Tas, Australia
9.Myanmar Geosci Soc, Yangon, Myanmar
推荐引用方式
GB/T 7714		 Hu, Fangyang,Wu, Fu-Yuan,Wang, Jian-Gang,et al. Newly discovered Early Carboniferous and Late Permian magmatic rocks in eastern Myanmar: Implications for the tectonic evolution of the eastern Paleo-Tethys[J]. JOURNAL OF ASIAN EARTH SCIENCES,2022,227:22.
APA Hu, Fangyang.,Wu, Fu-Yuan.,Wang, Jian-Gang.,Ducea, Mihai N..,Chapman, James B..,...&Meffre, Sebastien.(2022).Newly discovered Early Carboniferous and Late Permian magmatic rocks in eastern Myanmar: Implications for the tectonic evolution of the eastern Paleo-Tethys.JOURNAL OF ASIAN EARTH SCIENCES,227,22.
MLA Hu, Fangyang,et al."Newly discovered Early Carboniferous and Late Permian magmatic rocks in eastern Myanmar: Implications for the tectonic evolution of the eastern Paleo-Tethys".JOURNAL OF ASIAN EARTH SCIENCES 227(2022):22.

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来源：地质与地球物理研究所

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