Crustal evolution of the South Mayo Trough, western Ireland, based on U-Pb ages and Hf-O isotopes in detrital zircons
文献类型：期刊论文
| 作者 | Yin, Q. -Z.1; Wimpenny, J.1; Tollstrup, D. L.1; Mange, M.1; Dewey, J. F.1,2; Zhou, Q.3; Li, X. -H.3; Wu, F. -Y.3; Li, Q. -L.3; Liu, Y.3 |
| 刊名 | JOURNAL OF THE GEOLOGICAL SOCIETY
 |
| 出版日期 | 2012-11-01 |
| 卷号 | 169期号:6页码:681-689 |
| ISSN号 | 0016-7649 |
| DOI | 10.1144/jgs2011-164 |
| 文献子类 | Article |
| 英文摘要 | Ordovician strata of the South Mayo Trough in western Ireland contain clastic deposits that represent materials eroded from a large and diverse continental area over a time scale that spans much of the Earth's history. Therefore, it is a useful region to use detrital zircons to construct a continental crustal growth model. Here, we report integrated U-Pb, Lu-Hf and O isotope measurements obtained from in situ analyses of 160 zircons from the South Mayo Trough. U-Pb zircon crystallization ages define three major magmatic episodes of crustal reworking in the Archaean (Lewisian), Mesoproterozoic (Grenville), and Ordovician (Grampian). These data, together with oxygen isotope data and Hf model ages, suggest that crustal growth, recorded in the strata of the South Mayo Trough, started at c. 4 Ga and continued until 1.4 Ga, with two major growth periods at 2.3-2.1 and 2.0-1.5 Ga. We find that the crustal incubation time is decoupled from the duration of supracrustal alteration processes; some zircons with very long crustal incubation times have pristine mantle delta O-18 signatures suggesting minimal low-temperature surface processing in their source regions. Identifying such zircons is the key for future studies in constructing realistic net continental crustal growth models unaffected by crustal recycling. |
| WOS关键词 | GRAMPIAN OROGENY ; OXYGEN ISOTOPES ; CONTINENTAL-GROWTH ; IRISH CALEDONIDES ; HEAVY MINERALS ; MANTLE ; GEOCHRONOLOGY ; CONSTRAINTS ; ROCKS ; GEOCHEMISTRY |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000310583400005 |
| 出版者 | GEOLOGICAL SOC PUBL HOUSE |
| 资助机构 | University of California at Davis ; University of California at Davis ; NASA(NNX08AG57G ; NASA(NNX08AG57G ; State Key Laboratory of Lithospheric Evolution, IGG-CAS(Z201003) ; State Key Laboratory of Lithospheric Evolution, IGG-CAS(Z201003) ; NNG05GN03G) ; NNG05GN03G) ; University of California at Davis ; University of California at Davis ; NASA(NNX08AG57G ; NASA(NNX08AG57G ; State Key Laboratory of Lithospheric Evolution, IGG-CAS(Z201003) ; State Key Laboratory of Lithospheric Evolution, IGG-CAS(Z201003) ; NNG05GN03G) ; NNG05GN03G) ; University of California at Davis ; University of California at Davis ; NASA(NNX08AG57G ; NASA(NNX08AG57G ; State Key Laboratory of Lithospheric Evolution, IGG-CAS(Z201003) ; State Key Laboratory of Lithospheric Evolution, IGG-CAS(Z201003) ; NNG05GN03G) ; NNG05GN03G) ; University of California at Davis ; University of California at Davis ; NASA(NNX08AG57G ; NASA(NNX08AG57G ; State Key Laboratory of Lithospheric Evolution, IGG-CAS(Z201003) ; State Key Laboratory of Lithospheric Evolution, IGG-CAS(Z201003) ; NNG05GN03G) ; NNG05GN03G) |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/84324]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | Yin, Q. -Z. |
| 作者单位 | 1.Univ Calif Davis, Dept Geol, Davis, CA 95616 USA 2.Univ Oxford Univ Coll, Oxford OX1 4BH, England 3.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Yin, Q. -Z.,Wimpenny, J.,Tollstrup, D. L.,et al. Crustal evolution of the South Mayo Trough, western Ireland, based on U-Pb ages and Hf-O isotopes in detrital zircons[J]. JOURNAL OF THE GEOLOGICAL SOCIETY,2012,169(6):681-689. |
| APA | Yin, Q. -Z..,Wimpenny, J..,Tollstrup, D. L..,Mange, M..,Dewey, J. F..,...&Tang, G. -Q..(2012).Crustal evolution of the South Mayo Trough, western Ireland, based on U-Pb ages and Hf-O isotopes in detrital zircons.JOURNAL OF THE GEOLOGICAL SOCIETY,169(6),681-689. |
| MLA | Yin, Q. -Z.,et al."Crustal evolution of the South Mayo Trough, western Ireland, based on U-Pb ages and Hf-O isotopes in detrital zircons".JOURNAL OF THE GEOLOGICAL SOCIETY 169.6(2012):681-689. |
入库方式： OAI收割
来源：地质与地球物理研究所
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