ECLOGITE

作品数：157被引量：852H指数：17
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相关机构：中国地质大学（北京）更多>>
相关期刊：《Science China Earth Sciences》《Geoscience Frontiers》《Science China Chemistry》《Chinese Physics Letters》更多>>
相关基金：国家自然科学基金国家重点基础研究发展计划中国博士后科学基金国家教育部博士点基金更多>>
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Two phases of granulite-facies metamorphism superimposied on retrograde eclogite:Constraints on the early Paleozoic tectonic evolution of the Qinling Orogenic Belt,central China
《Geoscience Frontiers》2025年第1期1-18,共18页Bowen Bai Danling Chen Yunfei Ren Xiaohui Zhu Yunpeng Dong Yuan Tang Haijie 
supported by the National Natural Science Foundation of China(Grants Nos.42372074,42030307,41972058 and 41802056);Natural Science Basic Research Program of Shaanxi(Program Nos.2023-JC-QN-0366 and 2023-JC-YB-254);the MOST Special Fund from the State Key Laboratory of Continental Dynamics.
Existing studies provide adequate petrological evidences on ca.500 Ma ultra-high pressure(UHP)metamorphism in the North Qinling Orogenic Belt(NQOB)in central China,but the genesis of 470-420 Ma multi-phase granulite-f...
关键词：“Red-eye socket”texture Granulite-facies metamorphism Multi-cycle collisional orogen North Qinling Orogenic Belt 
Extreme geochemical fractionation during mantle melting:Insights from Hf-Nd isotopically ultra-depleted eclogite
《Geoscience Frontiers》2024年第6期156-166,共11页Kun Zhou Yi-Xiang Chen Yong-Fei Zheng Ren-Xu Chen Yueheng Yang 
supported by funds from the Strategy Priority Research Program(Category B)of Chinese Academy of Sciences(XDB0710000);the National Natural Science Foundation of China(42103037,42373046);the Fundamental Research Funds for the Central Universities.
Extreme fractionation of elements and isotopes in mafic igneous rocks is abnormal in deciphering the source nature and melting conditions of mafic magmatism.Especially,identification of geochemically ultra-depleted ma...
关键词：Mantle melting Element fractionation Sub-ridge mantle Spreading initiation Ultra-depleted melt 
Trace Element Mobility in Subducted Marble and Associated Eclogite:Constraints from UHP Rocks in the Shuanghe Area,Central-East China
《Journal of Earth Science》2024年第1期1-15,共15页Xingao Hou Zhiqiang Yu Shefa Chen Lei Liu Yilin Xiao 
financially supported by the National Natural Science Foundation of China(No.41972198);the Science and Technology Innovation Program of Hunan Province(No.2021RC4055);the Cooperation Foundation of Key Laboratory of Mineralogy and Metallogeny,Guangzhou Institute of Geochemistry;CAS(No.KLMM20180201);the Scientific Research Starting Foundation of Central South University。
In order to decipher element mobility in UHP meta-sedimentary rocks in the continental subduction zone,major and trace element compositions are investigated for a continuous profile from a representative UHP region in...
关键词：UHP metamorphism ECLOGITE MARBLE element migration fluid actions geochemistry 
Petrology, geochemistry and Ar-Ar geochronology of eclogites in Jinshajiang orogenic belt, Gonjo area, eastern Tibet and restriction on Paleo-Tethyan evolution被引量：4
《China Geology》2023年第2期285-302,共18页Yuan Tang Ya-dong Qin Xiao-dong Gong Yong Li Dong-bing Wang Bao-di Wang 
funded by two Second Tibetan Plateau Comprehensive Scientific Investigation and Research Projects(2019QZKK0702,2019QZKK0706);a project of National Natural Science Foundation of China(42230311);two geological survey projects of China Geological Survey(DD20221635,DD20221811).
As one of the important Paleo-Tethys suture zones in eastern Tibet,the Jinshajiang orogenic belt is of great significance to study the tectonic evolution of the main suture zone of Paleo-Tethys.In this paper,eclogites...
关键词：ECLOGITE Ar-Ar geochronology Closure of Paleo-Tethys ocean Arc-continent collision Geological survey engineering Jinshajiang orogenic belt Eastern Tibet 
Elasticity of high-pressure clinoenstatite under mantle conditions:Implications for the origin of the X-discontinuity
《Science China Earth Sciences》2023年第4期718-729,共12页Jian SONG Wangsheng QIAN Shangqin HAO Wenzhong WANG Daoyuan SUN Zhongqing WU 
supported by the Strategic Priority Research Program(B)of the Chinese Academy of Sciences(Grant No.XDB41000000);the National Key R&D Program of China(Grant No.2018YFA0702703);the National Natural Science Foundation of China(Grant Nos.41925017,41721002);the Fundamental Research Funds for the Central Universities(Grant No.WK2080000144)。
The X-discontinuity is characterized by 2–8% wave impedance contrasts and indistinguishable seismological Clapeyron slopes. Its origin is not yet entirely understood and attributed to a variety of plausible causes, a...
关键词：X-discontinuity OPX-HPCPX transition High-pressure clinoenstatite Partial melting of eclogite First-principles calculations 
Rutile to Titanite Transformation in Eclogites and its Geochemical Consequences:An Example from the Sumdo Eclogite,Tibet被引量：2
《Acta Geologica Sinica(English Edition)》2023年第1期122-133,共12页ZHAO Linghao ZENG Lingsen GAO Li’e HU Mingyue SUN Dongyang ZHANG Lifei 
supported by the National Science Foundation of China(Grant Nos.92055202);the Second Tibetan Plateau Scientific Expedition and Research(Grant No.2019QZKK0702);the China Geological Survey(Grant Nos.DD20221817 and DD20221630)。
The formation of titanite coronae after rutile is common in retrograde high-to ultrahigh-pressure meta-mafic rocks,which provides a good opportunity to address the geochemical behavior of HFSE in crustal environments....
关键词：Sumdo eclogite RUTILE TITANITE trace element geochemistry Nb-Ta fractionation 
Abiotic Methane Reservoirs in the Western Tianshan HP–UHP Metamorphic Belt,China
《Acta Geologica Sinica(English Edition)》2023年第1期337-349,共13页ZHANG Lijuan ZHANG Lifei LI Xiaowei WANG Xiao 
financially supported by the National Key Research and Development Program of China(Grant No.2019YFA0708501);the National Natural Science Foundation of China(Grant No.42172060)。
Natural gas,consisting primarily of methane(CH_(4)),has become a major source of clean energy in modern society in many parts of the globe.Recent experimental observations and discoveries of deep-sourced abiotic CH_(4...
关键词：energy resources abiotic CH_(4)reservoirs fluid inclusions carbon flux cold subduction zone ECLOGITE Tianshan Mts 
Massive abiotic methane production in eclogite during cold subduction被引量：3
《National Science Review》2023年第1期138-148,共11页Lijuan Zhang Lifei Zhang Ming Tang Xiao Wang Renbiao Tao Cheng Xu Thomas Bader 
supported by the National Key Research and Development Program of China(2019YFA0708501);the National Natural Science Foundation of China(42172060 and 41702052)。
Methane(CH_(4))is a critical but overlooked component in the study of the deep carbon cycle.Abiotic CH_(4)produced by serpentinization of ultramafic rocks has received extensive attention,but its formation and flux in...
关键词：abiotic CH_(4) fluid inclusion prograde HP-UHP metamorphism CO_(2) Western Tianshan 
Reconstruction of the mid-Devonian HP-HT metamorphic event in the Bohemian Massif(European Variscan belt)
《Geoscience Frontiers》2022年第3期177-195,共19页Stephen Collett Karel Schulmann Piérig Deiller PavlaŠtípská Vít Peresty Marc Ulrich Yingde Jiang Luc de Hoÿm de Marien Jitka Míková 
funded by the Grant Agency of the Czech Republic(GACR)project 19-25035S to P.Štípskáand the International Partnership Program of CAS 773(132744KYSB20190039)to Y.Jiang;Institutional supports of the Research Project no.310760(Strategic Research Plan of the Czech Geological Survey-DKRVO/CGS 2018-2022);Centre for Geosphere Dynamics(UNCE/SCI/006)of Faculty of Sciences,Charles University
Mid-Devonian high-pressure(HP)and high-temperature(HT)metamorphism represents an enigmatic early phase in the evolution of the Variscan Orogeny.Within the Bohemian Massif this metamorphism is recorded mostly in alloch...
关键词：Variscan Orogeny Avalonian-Cadomian Orogeny ECLOGITE Geochemistry Zircon Lu-Hf geochronology 
Mafic Archean continental crust prohibited exhumation of orogenic UHP eclogite
《Geoscience Frontiers》2021年第5期411-420,共10页Richard M.Palin James D.P.Moore Zeming Zhang Guangyu Huang Jon Wade Brendan Dyck 
The absence of ultrahigh pressure(UHP)orogenic eclogite in the geological record older than c.0.6 Ga is problematic for evidence of subduction having begun on Earth during the Archean(4.0-2.5 Ga).Many eclogites in Pha...
关键词：ARCHEAN ECLOGITE EXHUMATION Secular change Geodynamics Density 
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