The Triassic Duobaoshan appinite-granite suite, NE China: Implications for a water-fluxed lithospheric mantle and an extensional setting related to the subduction of the Mongol-Okhotsk Ocean
文献类型：期刊论文
| 作者 | Zhao, Chao1,3,4; Qin, Ke-Zhang1,4; Song, Guo-Xue4; Li, Guang-Ming1; Mao, Jing-Wen2 |
| 刊名 | LITHOS
 |
| 出版日期 | 2021-08-01 |
| 卷号 | 394页码:14 |
| 关键词 | Duobaoshan area Appinite-granite suite Mongol-Okhotsk Ocean Eastern CAOB |
| ISSN号 | 0024-4937 |
| DOI | 10.1016/j.lithos.2021.106169 |
| 英文摘要 | The appinite suite of rocks offers a unique opportunity to reveal the properties of subarc lithospheric mantle, indicate essential crust-mantle interactions, and ascertain critical geodynamic settings. In this study, we present zircon U-Pb ages, Hf-O isotopes, and whole-rock geochemical data for the newly identified Duobaoshan appinite-granite suite in the eastern Central Asian Orogenic Belt (CAOB). Field and petrographic investigations show that this suite of rocks is composed of hornblende gabbro, quartz monzonite, and granite porphyry. The appinites are abnormally hornblende-rich, and contain spectacular hornblende phenocrysts, pegmatitic textures, and miarolitic cavity structures that indicate an anomalous water-rich origin. The quartz monzonite and granite porphyry show intrusive contact relations with the appinites. Secondary ion mass spectrometry (SIMS) zircon dating reveals that the Duobaoshan appinite-granite suite was emplaced in a very short time interval of 224-223 Ma. These samples show typical subduction related arc magmatic geochemical characteristics that are enriched in large-ion lithophile elements (LILEs) and light rare earth elements (REEs), depleted in high field strength elements (HFSEs) and middle and heavy REEs. All samples exhibit comparative total REEs and no significant evolutionary relationships. The appinites show high Sr/Y ratios (reaching-100) and positive or zero Eu anomalies, which reveal amphibole fractionation promotion and plagioclase fractionation suppression in a water-rich magma system. The quartz monzonite possesses high Sr/Y and La/Yb ratios that exhibit adakite-like properties and were derived from thickened lower continental crust. The granite porphyry is silica-rich and non-adakitic. All samples have juvenile whole-rock initial Sr-87/Sr-86 ratios (similar to 0.7038) and epsilon(Nd)(t) values. Zircons have depleted mantle-like epsilon(Hf) (t) (to +12.0) and delta O-18 (similar to + 5.65 parts per thousand) values. Combining these geochemical features with observations of the regional geology and tectonic setting, we propose that the Duobaoshan appinite-granite suite was generated under a Triassic back-arc extensional setting related to the southward subduction of the Mongol-Okhotsk Ocean. The appinites were derived from an unusual water-rich mantle source, which was previously metasomatized by slab-derived fluids. The quartz monzonite and granite porphyry were generated from partial melting of the juvenile lower continental crust triggered by coeval appinitic magma underplating. (C) 2021 Elsevier B.V. All rights reserved. |
| WOS关键词 | ASIAN OROGENIC BELT ; TECTONIC EVOLUTION ; VOLCANIC-ROCKS ; HEILONGJIANG PROVINCE ; INTRUSIVE ROCKS ; CRUSTAL GROWTH ; IGNEOUS ROCKS ; HF ISOTOPES ; GEOCHEMISTRY ; PETROGENESIS |
| 资助项目 | National Key Research and Development Program of China[2017YFC061305] ; China Postdoctoral Science Foundation[2019M663599] ; China Postdoctoral Science Foundation[2020T130565] ; National Natural Science Foundation of China[42002100] ; Basic Research Program of Natural Science in Shaanxi Province[2021JQ-236] ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University[300102279401] |
| WOS研究方向 | Geochemistry & Geophysics ; Mineralogy |
| 语种 | 英语 |
| WOS记录号 | WOS:000674568300002 |
| 出版者 | ELSEVIER |
| 资助机构 | National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Basic Research Program of Natural Science in Shaanxi Province ; Basic Research Program of Natural Science in Shaanxi Province ; Basic Research Program of Natural Science in Shaanxi Province ; Basic Research Program of Natural Science in Shaanxi Province ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Basic Research Program of Natural Science in Shaanxi Province ; Basic Research Program of Natural Science in Shaanxi Province ; Basic Research Program of Natural Science in Shaanxi Province ; Basic Research Program of Natural Science in Shaanxi Province ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Basic Research Program of Natural Science in Shaanxi Province ; Basic Research Program of Natural Science in Shaanxi Province ; Basic Research Program of Natural Science in Shaanxi Province ; Basic Research Program of Natural Science in Shaanxi Province ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; National Key Research and Development Program of China ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; China Postdoctoral Science Foundation ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Basic Research Program of Natural Science in Shaanxi Province ; Basic Research Program of Natural Science in Shaanxi Province ; Basic Research Program of Natural Science in Shaanxi Province ; Basic Research Program of Natural Science in Shaanxi Province ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University ; Special Fund for Basic Scientific Research of Central Colleges, Chang'an University |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/101932]  |
| 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 |
| 通讯作者 | Zhao, Chao; Qin, Ke-Zhang |
| 作者单位 | 1.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Mineral Resources, POB 9825, Beijing 100029, Peoples R China 2.China Univ Geosci, Beijing 100083, Peoples R China 3.Changan Univ, Sch Earth Sci & Resources, Xian 710054, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhao, Chao,Qin, Ke-Zhang,Song, Guo-Xue,et al. The Triassic Duobaoshan appinite-granite suite, NE China: Implications for a water-fluxed lithospheric mantle and an extensional setting related to the subduction of the Mongol-Okhotsk Ocean[J]. LITHOS,2021,394:14. |
| APA | Zhao, Chao,Qin, Ke-Zhang,Song, Guo-Xue,Li, Guang-Ming,&Mao, Jing-Wen.(2021).The Triassic Duobaoshan appinite-granite suite, NE China: Implications for a water-fluxed lithospheric mantle and an extensional setting related to the subduction of the Mongol-Okhotsk Ocean.LITHOS,394,14. |
| MLA | Zhao, Chao,et al."The Triassic Duobaoshan appinite-granite suite, NE China: Implications for a water-fluxed lithospheric mantle and an extensional setting related to the subduction of the Mongol-Okhotsk Ocean".LITHOS 394(2021):14. |
入库方式： OAI收割
来源：地质与地球物理研究所
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