Subduction–Accretion History of the Paleo-Pacific Plate Beneath the Eurasian Continent: Evidence from the Tongjiang Accretionary Complex, NE China
Detrital zircons in the matrix of an accretionary complex play an important role in providing evidence to reconstruct oceanic plate subduction and accretion processes. The Nadanhada accretionary complex (NAC) dominated by the Yuejinshan, Raohe and Tongjiang accretionary complexes provides significan...
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MDPI AG
2023-08-01
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| Series: | Minerals |
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| Online Access: | https://www.mdpi.com/2075-163X/13/8/1038 |
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| author | Bingying Du Chenglu Li Fei Liu Tianjia Liu Yuwei Liu Xunlian Wang Yong Liu Tiean Zhang |
| author_facet | Bingying Du Chenglu Li Fei Liu Tianjia Liu Yuwei Liu Xunlian Wang Yong Liu Tiean Zhang |
| author_sort | Bingying Du |
| collection | DOAJ |
| description | Detrital zircons in the matrix of an accretionary complex play an important role in providing evidence to reconstruct oceanic plate subduction and accretion processes. The Nadanhada accretionary complex (NAC) dominated by the Yuejinshan, Raohe and Tongjiang accretionary complexes provides significant geological evidence to better understand the Paleo-Pacific subduction–accretion process. Most previous studies have focused on the Yuejinshan and Raohe accretionary complexes, while those of the Tongjiang accretionary complex on the north side have focused on blocks. In this study, we present zircon U–Pb dating and Hf isotopic data for the matrix of metasedimentary rock in the Tongjiang accretionary complex. The analysis results show that the zircons in the fine silty mudstone, phyllonite and fine argillaceous siltstone define the youngest weighted mean ages (youngest detrital zircon ages) of 261.4 ± 2.9 Ma (247 Ma), 175.2 ± 4.9 Ma (169 Ma) and 168.6 ± 2.1 Ma (162 Ma), respectively, and yield a younging trend of the accretion materials from west to east. Provenance analysis indicates that the matrix was mainly sourced from the neighboring Jiamusi and Xingkai blocks. Based on previous results of the Permian and Late Triassic blocks in the Yuejinshan region, the Permian and Early Jurassic blocks in the Tongjiang region, and the Late Triassic and Early–Middle Jurassic blocks in the Raohe region, as well as the lower limit of the depositional age of the Late Triassic matrix in the Yuejinshan region and the Middle Jurassic and Early Cretaceous matrices in the Raohe region, we propose that the NAC may record the Late Permian–Triassic, Jurassic and Early Cretaceous oceanic accretion events, representing the westward subduction and accretion process of the Paleo–Pacific Ocean Plate. |
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| language | English |
| last_indexed | 2024-03-10T23:42:19Z |
| publishDate | 2023-08-01 |
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| series | Minerals |
| spelling | doaj.art-2eaa56bbd6e248f788e5d02e718a2a902023-11-19T02:20:39ZengMDPI AGMinerals2075-163X2023-08-01138103810.3390/min13081038Subduction–Accretion History of the Paleo-Pacific Plate Beneath the Eurasian Continent: Evidence from the Tongjiang Accretionary Complex, NE ChinaBingying Du0Chenglu Li1Fei Liu2Tianjia Liu3Yuwei Liu4Xunlian Wang5Yong Liu6Tiean Zhang7School of the Earth Sciences and Resources, China University of Geosciences (Beijing), Beijing 100083, ChinaNatural Resources Survey Institute of Heilongjiang Province, Harbin 150036, ChinaThe Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, ChinaPetroleum Exploration and Production Research Institute, SINOPEC, Beijing 100083, ChinaHeilongjiang Province Geological Science Institute, Harbin 150036, ChinaSchool of the Earth Sciences and Resources, China University of Geosciences (Beijing), Beijing 100083, ChinaThe Institute of Geology, Chinese Academy of Geological Sciences, Beijing 100037, ChinaHeilongjiang Province Geological Science Institute, Harbin 150036, ChinaDetrital zircons in the matrix of an accretionary complex play an important role in providing evidence to reconstruct oceanic plate subduction and accretion processes. The Nadanhada accretionary complex (NAC) dominated by the Yuejinshan, Raohe and Tongjiang accretionary complexes provides significant geological evidence to better understand the Paleo-Pacific subduction–accretion process. Most previous studies have focused on the Yuejinshan and Raohe accretionary complexes, while those of the Tongjiang accretionary complex on the north side have focused on blocks. In this study, we present zircon U–Pb dating and Hf isotopic data for the matrix of metasedimentary rock in the Tongjiang accretionary complex. The analysis results show that the zircons in the fine silty mudstone, phyllonite and fine argillaceous siltstone define the youngest weighted mean ages (youngest detrital zircon ages) of 261.4 ± 2.9 Ma (247 Ma), 175.2 ± 4.9 Ma (169 Ma) and 168.6 ± 2.1 Ma (162 Ma), respectively, and yield a younging trend of the accretion materials from west to east. Provenance analysis indicates that the matrix was mainly sourced from the neighboring Jiamusi and Xingkai blocks. Based on previous results of the Permian and Late Triassic blocks in the Yuejinshan region, the Permian and Early Jurassic blocks in the Tongjiang region, and the Late Triassic and Early–Middle Jurassic blocks in the Raohe region, as well as the lower limit of the depositional age of the Late Triassic matrix in the Yuejinshan region and the Middle Jurassic and Early Cretaceous matrices in the Raohe region, we propose that the NAC may record the Late Permian–Triassic, Jurassic and Early Cretaceous oceanic accretion events, representing the westward subduction and accretion process of the Paleo–Pacific Ocean Plate.https://www.mdpi.com/2075-163X/13/8/1038Tongjiang regionsubduction accretive complexdetrital zircon U–Pb agesHf isotopePaleo–Pacific Plate |
| spellingShingle | Bingying Du Chenglu Li Fei Liu Tianjia Liu Yuwei Liu Xunlian Wang Yong Liu Tiean Zhang Subduction–Accretion History of the Paleo-Pacific Plate Beneath the Eurasian Continent: Evidence from the Tongjiang Accretionary Complex, NE China Minerals Tongjiang region subduction accretive complex detrital zircon U–Pb ages Hf isotope Paleo–Pacific Plate |
| title | Subduction–Accretion History of the Paleo-Pacific Plate Beneath the Eurasian Continent: Evidence from the Tongjiang Accretionary Complex, NE China |
| title_full | Subduction–Accretion History of the Paleo-Pacific Plate Beneath the Eurasian Continent: Evidence from the Tongjiang Accretionary Complex, NE China |
| title_fullStr | Subduction–Accretion History of the Paleo-Pacific Plate Beneath the Eurasian Continent: Evidence from the Tongjiang Accretionary Complex, NE China |
| title_full_unstemmed | Subduction–Accretion History of the Paleo-Pacific Plate Beneath the Eurasian Continent: Evidence from the Tongjiang Accretionary Complex, NE China |
| title_short | Subduction–Accretion History of the Paleo-Pacific Plate Beneath the Eurasian Continent: Evidence from the Tongjiang Accretionary Complex, NE China |
| title_sort | subduction accretion history of the paleo pacific plate beneath the eurasian continent evidence from the tongjiang accretionary complex ne china |
| topic | Tongjiang region subduction accretive complex detrital zircon U–Pb ages Hf isotope Paleo–Pacific Plate |
| url | https://www.mdpi.com/2075-163X/13/8/1038 |
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