中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
The analysis of temperature conditions for eclogites in the northeastern part of North Dabie Terrane

文献类型:期刊论文

作者Shi YongHong1; Kang Tao1; Li QiuLi2; Lin Wei2
刊名ACTA PETROLOGICA SINICA
出版日期2011-10-01
卷号27期号:10页码:3021-3040
关键词Eclogites Peak Temperature Omphacite Fe(2+) Correction North Dabie Terrane
ISSN号1000-0569
文献子类Article
英文摘要The precise temperature estimation for eclogits across the North Dabie Terrane (NOT) is the most critical to determine the characteristics of the North Dabie metamorphic units correctly. The many uncertainties on the peak temperature estimates and the classification of eclogites across the NDT had arose, as the different thermometers and methods of Fe(2+) correction of omphacite had been employed to evaluate the P-T values, and the different scenarios for the classification of eclogites had existed. To investigate this issue, 5 thermometers and 4 methods for ferric correction of omphacites have been used to calculate the temperature conditions for eclogites in the northeastern part of the NOT in this study. When the Krogh (2000) Grt-Cpx Fe-Mg thermometer has been employed and the ferric in omphacite has been assumed as Fe(3+)/Fe(2+) = 1 : 1, the temperature estimated ought to approach to the real values. The results indicate; P(calibration) = 3. 5GPa, the temperature is in the range of 600 similar to 740 degrees C; P(calibration) = 5. 0GPa, the temperature is in the range of 670 similar to 810 degrees C. Refer to the classification of eclogites from Carswell (1990), the eclogites across the NOT can be considered as the medium temperature eclogites. However, the eclogites from the NOT display different characters from those in the Central Dabie and South Dabie terranes, based on the investigations of geological characteristics, petrographic studies, the analysis of mineral compositions and the results of previous studies for eclogits from the NOT, we conjectured that the eclogites across the NOT underwent higher temperature metamorphism.
WOS关键词PRESSURE METAMORPHIC ROCKS ; CENTRAL-EASTERN CHINA ; SULU OROGENIC BELT ; MINERAL CHEMISTRY ; BEARING ECLOGITES ; FORMING MINERALS ; FERRIC IRON ; UHP ROCKS ; GARNET ; MOUNTAINS
WOS研究方向Geology
语种英语
WOS记录号WOS:000296655800019
出版者SCIENCE PRESS
源URL[http://ir.iggcas.ac.cn/handle/132A11/73852]  
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, Sch Resources & Environm Enineering, Hefei 230009, Peoples R China
2.Chinese Acad Sci, State Key Lab Lithospher Evolut, Inst Geol & Geophys, Beijing 100029, Peoples R China
推荐引用方式
GB/T 7714
Shi YongHong,Kang Tao,Li QiuLi,et al. The analysis of temperature conditions for eclogites in the northeastern part of North Dabie Terrane[J]. ACTA PETROLOGICA SINICA,2011,27(10):3021-3040.
APA Shi YongHong,Kang Tao,Li QiuLi,&Lin Wei.(2011).The analysis of temperature conditions for eclogites in the northeastern part of North Dabie Terrane.ACTA PETROLOGICA SINICA,27(10),3021-3040.
MLA Shi YongHong,et al."The analysis of temperature conditions for eclogites in the northeastern part of North Dabie Terrane".ACTA PETROLOGICA SINICA 27.10(2011):3021-3040.

入库方式: OAI收割

来源:地质与地球物理研究所

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