The Yanbian area is located in the eastern part of the Central Asian Orogenic Belt (CAOB) of China and is characterized by widespread Phanerozoic granitic intrusions. It was previously thought that the Yanbian granitoids were mainly emplaced in the Early Paleozoic (so-called 'Caledonian' granitoids), extending east-west along the northern margin of the North China craton. However, few of them have been precisely dated; therefore, five typical 'Caledonian' granitic intrusions (the Huangniling, Dakai, Mengshan, Gaoling and Bailiping batholiths) were selected for U-Pb zircon isotopic study. New-age data show that emplacement of these granitoids extended from the Late Paleozoic to Late Mesozoic (285-116 Ma). This indicates that no 'Caledonian' granitic belt exists along the northern margin of the North China craton. The granitoids can be subdivided into four episodes based on our new data: Early Permian (285 +/- 9 Ma), Early Triassic (249-245 Ma), Jurassic (192-168 Ma) and Cretaceous (119-116 Ma). The 285 +/- 9 Ma tonalite was most likely related to subduction of the Paleo-Asian Oceanic Plate beneath the North China craton, followed by Triassic (249-245 Ma) syn-collisional monzogranites, representing the collision of the CAOB orogenic collage with the North China craton and final closure of the Paleo-Asian Ocean. The Jurassic granitoids resulted from subduction of the Paleo-Pacific plate and subsequent collision of the Jiamusi-Khanka Massif with the existing continent, assembled in the Triassic. The Early Cretaceous granitoids formed in an extensional setting along the eastern Asian continental margin.
DENG Ping REN JiShun LING HongFei SHEN WeiZhou SUN LiQiang ZHU Ba TAN ZhengZhong Institute of Geology Chinese Academy of Geological Sciences Beijing China Uranium Resources Limited Company China Guangdong Nuclear Power Holding Corporation Beijing China State Key Laboratory for Mineral Deposits Research School of Earth Sciences and Engineering Nanjing University Nanjing China Research Institute No China National Nuclear Corporation Shaoguan China
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DENG Ping REN JiShun LING HongFei SHEN WeiZhou SUN LiQiang ZHU Ba TAN ZhengZhong Institute of Geology Chinese Academy of Geological Sciences Beijing China Uranium Resources Limited Company China Guangdong Nuclear Power Holding Corporation Beijing China State Key Laboratory for Mineral Deposits Research School of Earth Sciences and Engineering Nanjing University Nanjing China Research Institute No China National Nuclear Corporation Shaoguan China
机构:
Chinese Acad Geol Sci, Inst Geol, Beijing 100037, Peoples R China
China Guangdong Nucl Power Holding Corp, Uranium Resources Ltd Co, Beijing 100029, Peoples R ChinaNanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210093, Jiangsu, Peoples R China
Deng Ping
Ren JiShun
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Chinese Acad Geol Sci, Inst Geol, Beijing 100037, Peoples R ChinaNanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210093, Jiangsu, Peoples R China
Ren JiShun
Ling HongFei
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Nanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210093, Jiangsu, Peoples R ChinaNanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210093, Jiangsu, Peoples R China
Ling HongFei
Shen WeiZhou
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Nanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210093, Jiangsu, Peoples R ChinaNanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210093, Jiangsu, Peoples R China
Shen WeiZhou
Sun LiQiang
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Nanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210093, Jiangsu, Peoples R ChinaNanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210093, Jiangsu, Peoples R China
Sun LiQiang
Zhu Ba
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China Natl Nucl Corp, Res Inst 290, Shaoguan 512026, Peoples R ChinaNanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210093, Jiangsu, Peoples R China
Zhu Ba
Tan ZhengZhong
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China Natl Nucl Corp, Res Inst 290, Shaoguan 512026, Peoples R ChinaNanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposits Res, Nanjing 210093, Jiangsu, Peoples R China
机构:
School of Earth Sciences and Resources,China University of Geosciences
Key Laboratory of Deep-Earth Dynamics of Ministry of Natural Resources,Institute of Geology,Chinese Academy of Geological SciencesSchool of Earth Sciences and Resources,China University of Geosciences
Zaili Tao
Jiyuan Yin
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Key Laboratory of Deep-Earth Dynamics of Ministry of Natural Resources,Institute of Geology,Chinese Academy of Geological SciencesSchool of Earth Sciences and Resources,China University of Geosciences
Jiyuan Yin
Wen Chen
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Key Laboratory of Deep-Earth Dynamics of Ministry of Natural Resources,Institute of Geology,Chinese Academy of Geological SciencesSchool of Earth Sciences and Resources,China University of Geosciences
Wen Chen
Yuelong Chen
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School of Earth Sciences and Resources,China University of GeosciencesSchool of Earth Sciences and Resources,China University of Geosciences
Yuelong Chen
Jingbo Sun
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Key Laboratory of Deep-Earth Dynamics of Ministry of Natural Resources,Institute of Geology,Chinese Academy of Geological SciencesSchool of Earth Sciences and Resources,China University of Geosciences
Jingbo Sun
Zhihua Xu
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Limited Liability Company,TBEA DUSHANBE Mining IndustrySchool of Earth Sciences and Resources,China University of Geosciences
机构:
School of Earth Sciences and Resources,China University of Geosciences
Key Laboratory of Deep-Earth Dynamics of Ministry of Natural Resources,Institute of Geology,Chinese Academy of Geological SciencesSchool of Earth Sciences and Resources,China University of Geosciences
Zaili Tao
Jiyuan Yin
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机构:
Key Laboratory of Deep-Earth Dynamics of Ministry of Natural Resources,Institute of Geology,Chinese Academy of Geological SciencesSchool of Earth Sciences and Resources,China University of Geosciences
Jiyuan Yin
Wen Chen
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Key Laboratory of Deep-Earth Dynamics of Ministry of Natural Resources,Institute of Geology,Chinese Academy of Geological SciencesSchool of Earth Sciences and Resources,China University of Geosciences
Wen Chen
Yuelong Chen
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School of Earth Sciences and Resources,China University of GeosciencesSchool of Earth Sciences and Resources,China University of Geosciences
Yuelong Chen
Jingbo Sun
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机构:
Key Laboratory of Deep-Earth Dynamics of Ministry of Natural Resources,Institute of Geology,Chinese Academy of Geological SciencesSchool of Earth Sciences and Resources,China University of Geosciences
Jingbo Sun
Zhihua Xu
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机构:
Limited Liability Company,TBEA DUSHANBE MiningSchool of Earth Sciences and Resources,China University of Geosciences