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| Zircon U-Pb geochronology and Hf isotope analyses of the Wulian complex in the Sulu orogenic belt, eastern China: tectonic affinity and implications for early Precambrian crustal growth and recycling in the South China Craton | |
| Liu, Jian-Hui1; Liu, Fu-Lai1; Ding, Zheng-Jiang2; Yang, Hong1; Liu, Ping-Hua1; Liu, Li-Shuang1; Chen, Hui1; Wang, Xiang-Jian3 | |
| 2021-02-01 | |
| 发表期刊 | GEOLOGICAL MAGAZINE
 |
| ISSN | 0016-7568 |
| 卷号 | 158期号:2页码:295-310 |
| 通讯作者 | Liu, Jian-Hui(liujianhui1999@163.com) |
| 摘要 | The Wulian complex is located on the northern margin of the Sulu orogenic belt, and was formed by collision between the North China Craton (NCC) to the north and South China Craton (SCC) to the south. It consists of the metasedimentary Wulian Group, gneissic granite and meta-diorite. The U-Pb analyses for the detrital zircons from the Wulian Group exhibit one predominant age population of 2600-2400 Ma with a peak at c. 2.5 Ga and several secondary age populations of > 3000, 3000-2800, 2800-2600, 2200-2000, 1900-1800, 1500-1300 and 1250-950 Ma; some metamorphic zircons have metamorphic ages of c. 2.7, 2.55-2.45, 2.1-2.0 and 1.95-1.80 Ga, which are consistent with magmatic-metamorphic events in the SCC. Additionally, the Wulian Group was intruded by the gneissic granite and meta-diorite at c. 0.76 Ga, attributed to Neoproterozoic syn-rifting bimodal magmatic activity in the SCC and derived from partial melting of Archaean continental crust and depleted mantle, respectively. The Wulian Group therefore has tectonic affinity to the SCC and was mainly sourced from the SCC. The detrital zircons have positive and negative epsilon(Hf)(t) values, indicating that their source rocks were derived from reworking of both ancient and juvenile crustal rocks. The major early Precambrian crustal growth took place during c. 3.4-2.5 Ga with a dominant peak at 2.96 Ga and several secondary peaks at 3.27, 2.74 and 2.52 Ga. The two oldest zircons with ages of 3307 and 3347 Ma record the recycling of ancient continental crust (> 3.35 Ga) and crustal growth prior to c. 3.95 Ga in the SCC. |
| 关键词 | South China Craton Sulu orogenic belt Wulian complex detrital zircon U-Pb age zircon Hf isotopes |
| DOI | 10.1017/S0016756820000485 |
| 收录类别 | SCI |
| 语种 | 英语 |
| 资助项目 | National Natural Science Foundations of China[41430210] ; National Natural Science Foundations of China[41772195] ; National Natural Science Foundations of China[41973048] ; Basic Scientific Foundation of CAGS[YYWF201703] ; Natural Science Foundation of Shandong Province[ZR2016DM01] ; Geological Survey Fund of the China Geological Survey[DD20190358] ; Basic Scientific Research Foundations of the Institute of Geology, CAGS[J1214] ; Basic Scientific Research Foundations of the Institute of Geology, CAGS[J1404] |
| WOS研究方向 | Geology |
| WOS类目 | Geosciences, Multidisciplinary |
| WOS记录号 | WOS:000609177300006 |
| 出版者 | CAMBRIDGE UNIV PRESS |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/170020 |
| 专题 | 中国科学院海洋研究所 |
| 通讯作者 | Liu, Jian-Hui |
| 作者单位 | 1.Chinese Acad Geol Sci, Inst Geol, Beijing 100037, Peoples R China 2.Shandong Prov Bur Geol & Mineral Resources, Jinan 250013, Peoples R China 3.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Jian-Hui,Liu, Fu-Lai,Ding, Zheng-Jiang,et al. Zircon U-Pb geochronology and Hf isotope analyses of the Wulian complex in the Sulu orogenic belt, eastern China: tectonic affinity and implications for early Precambrian crustal growth and recycling in the South China Craton[J]. GEOLOGICAL MAGAZINE,2021,158(2):295-310. |
| APA | Liu, Jian-Hui.,Liu, Fu-Lai.,Ding, Zheng-Jiang.,Yang, Hong.,Liu, Ping-Hua.,...&Wang, Xiang-Jian.(2021).Zircon U-Pb geochronology and Hf isotope analyses of the Wulian complex in the Sulu orogenic belt, eastern China: tectonic affinity and implications for early Precambrian crustal growth and recycling in the South China Craton.GEOLOGICAL MAGAZINE,158(2),295-310. |
| MLA | Liu, Jian-Hui,et al."Zircon U-Pb geochronology and Hf isotope analyses of the Wulian complex in the Sulu orogenic belt, eastern China: tectonic affinity and implications for early Precambrian crustal growth and recycling in the South China Craton".GEOLOGICAL MAGAZINE 158.2(2021):295-310. |
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