Peak P-T conditions for eclogites across the Tongcheng-Yuantanpu Region and its tectonic setting
文献类型：期刊论文
| 作者 | Shi YongHong; Lin Wei; Wang Qingchen |
| 刊名 | ACTA PETROLOGICA SINICA
 |
| 出版日期 | 2006-09-01 |
| 卷号 | 22期号:9页码:2315-2324 |
| 关键词 | Tongcheng-Yuantanpu Region eclogites peak P-T conditions Dabie Shan |
| ISSN号 | 1000-0569 |
| 文献子类 | Article |
| 英文摘要 | Eclogites across the Tongcheng-Yuantanpu Region are identified as the typical high-pressure eclogites on the basis of the analysis of petrology and minerals composition and the exact estimations for P-T conditions of eclogites, and bear no any ultrahigh-pressure minerals. Garnet with the progressive zoning of compositions shows idiomorphic texture and bears many early minerals. The results of peak P-T conditions from eclogites across the region indicate that these eclogites had been metamorphosed in the range of P =1. 62 similar to 2. 35GPa and T = 421 degrees C similar to 604 degrees C. Based on this study, about 250 km(2) area along the Tongcheng-Yuantanpu Region belong to the high-pressure (HP) metamorphic Terrane, which exists as structure slice limiting by faults. Comparison with the P-T conditions of the ultrahigh-pressure (UHP) Terrane in the South Dabie Terrane, at least 0. 3GPa gap happens between the HP and UHP Terranes. Combined with geological investigating in the field, we conjecture that the present-day distribution of HP Terrane results from extensional dome of the North Dabie Terrane. The identification of the new high-pressure metamorphic Terrane has the important denoting significance for re-recognizing and comprehending the tectonic frame, subduction and exhumation of Dabie orogenic zone. |
| WOS关键词 | HIGH-PRESSURE ROCKS ; LU FAULT ZONE ; DABIE MOUNTAINS ; EASTERN CHINA ; ULTRAHIGH-PRESSURE ; BEARING ECLOGITES ; COESITE ; SHAN ; THERMOBAROMETRY ; DEFORMATION |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000242107400006 |
| 出版者 | SCIENCE CHINA PRESS |
| 源URL | [http://ir.iggcas.ac.cn/handle/132A11/66918]  |
| 专题 | 中国科学院地质与地球物理研究所 |
| 通讯作者 | Shi YongHong |
| 作者单位 | 1.Hefei Univ Technol, Hefei 230009, Peoples R China 2.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithosphere Evolut, Beijing 100029, Peoples R China |
| 推荐引用方式 GB/T 7714 | Shi YongHong,Lin Wei,Wang Qingchen. Peak P-T conditions for eclogites across the Tongcheng-Yuantanpu Region and its tectonic setting[J]. ACTA PETROLOGICA SINICA,2006,22(9):2315-2324. |
| APA | Shi YongHong,Lin Wei,&Wang Qingchen.(2006).Peak P-T conditions for eclogites across the Tongcheng-Yuantanpu Region and its tectonic setting.ACTA PETROLOGICA SINICA,22(9),2315-2324. |
| MLA | Shi YongHong,et al."Peak P-T conditions for eclogites across the Tongcheng-Yuantanpu Region and its tectonic setting".ACTA PETROLOGICA SINICA 22.9(2006):2315-2324. |
入库方式： OAI收割
来源：地质与地球物理研究所
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