 | QIU, H.-N., WIJBRANS, J. R., BROUWER, F. M., YUN, J.-B., ZHAO, L.-H., XU, Y.-G. (2010) Amphibolite facies retrograde metamorphism of the Zhujiachong eclogite, SE Dabieshan: 40Ar/39Ar age constraints from argon extraction using UV-laser microprobe, in vacuo crushing and stepwise heating. Journal of Metamorphic Geology, 28 (5) 477-487 doi:10.1111/j.1525-1314.2010.00875.x | Journal (article/letter/editorial) | | facies retrograde metamorphism of the Zhujiachong eclogite, SE Dabieshan: 40Ar ⁄ 39Ar age constraints from...Guangzhou, China (qiuhn@gig.ac.cn) 2 Key Laboratory of Tectonics and Petroleum Resources (China University...Geosciences, Wuhan), Ministry of Education, 430074 Wuhan, China 3 Department of Isotope Geochemistry, VU University...Amsterdam, The Netherlands ABSTRACT The Zhujiachong eclogite in the south-eastern Dabieshan ultra-high-P terrane...garnet-amphibolite mineral assemblages in most rocks in the outcrop. This study is focused on providing age constraints |  | | Journal (article/letter/editorial) | | pressure eclogites in the Dabieshan of central China D.A. Carswell a a,) , R.N. Wilson b, M. Zhai ...Academia Sinica, P.O. Box 634, Beijing 100029, China Abstract As is typical of ultra-high pressure ŽUHP...of the UHP terrain in the Dabieshan of central China is highly speculative, since the volume of eclogites...for the interpretation of controversial gneiss–eclogite relationships in other UHP metamorphic terrains...collisional Qinling–Dabieshan orogen in east–central China Žcf. Wang et al., 1991; Carswell et al., 1993, 1997; |  | Schmidt, Alexander, Weyer, Stefan, Mezger, Klaus, Scherer, Erik E., Xiao, Yilin, Hoefs, Jochen, Brey, Gerhard P. (2008) Rapid eclogitisation of the Dabie–Sulu UHP terrane: Constraints from Lu–Hf garnet geochronology. Earth and Planetary Science Letters, 273 (1) 203-213 doi:10.1016/j.epsl.2008.06.036 | Journal (article/letter/editorial) | | University of Science and Technology of China, Hefei, 230026 China d Geowissenschaftliches Zentrum Göttingen...Keywords: Lu–Hf geochronology Sm–Nd geochronology eclogite ultrahigh-pressure eclogitisation A B S T R A...The Qinling–Dabie–Sulu orogenic belt in eastern China is one of the largest ultrahigh-pressure (UHP) terranes...metamorphism) and the wide variety of garnet and eclogite chemical compositions represented. Two samples...Zheng et al., 2005): (1) a peak ultrahigh-pressure eclogite facies imprint in the coesite/diamond stability |  | | Journal (article/letter/editorial) | | S0016-7037(00)00801-8 Oxygen isotope equilibrium between eclogite minerals and its constraints on mineral Sm-Nd...University of Science and Technology of China, Hefei 230026, PR China (Received April 25, 2001; accepted in...pressure eclogites from the Sulu terrane in eastern China. The results show a direct correspondence in equilibrium...systems of eclogite minerals. The omphacite– garnet pairs of oxygen isotope equilibrium at eclogite-facies...thus attainment of isotopic equilibrium in the omphacite– garnet O system suggests achievement of Nd isotope |  | | Journal (article/letter/editorial) | | isotope anomaly near Donghai in Jiangsu Province, China DOUGLAS RUMBLE,*,1 and T.-F. YUI2 1 Geophysical...both d18O and dD. Grnets from coesite-bearing eclogite are as low as 211‰ (VSMOW) and rutiles are 215‰...were all subjected to metamorphism in the coesite-eclogite facies. Oxygen isotope fractionation between quartz...discovery of low 18O values at the First International Eclogite Workshop, Stanford University, in 1994 (Yui et...their ephemeral existence as a world’s record for eclogite, however. The isotopic geochemistry of Qinglongshan |  | Tan, Zhou, Agard, Philippe, Gao, Jun, John, Timm, Li, JiLei, Jiang, Tuo, Bayet, Léa, Wang, XinShui, Zhang, Xi (2017) P–T–time-isotopic evolution of coesite-bearing eclogites: Implications for exhumation processes in SW Tianshan. Lithos, 278. 1-25 doi:10.1016/j.lithos.2017.01.010 | Journal (article/letter/editorial) | | Tianshan SC RI Key words: UHP metamorphism; eclogite; P-T path; pseudosection modeling; thermobarometry;...Zhangg Chinese Academy of Sciences, 100029 Beijing, China Sorbonne Universités, UPMC Univ Paris 06, CNRS,...of Chinese Academy of Sciences, 100049 Beijing, China d. Insitut Universitaire de France, F-75005, Paris...Geochemistry, Wuhan Centre of China Geological Survey, 430205 Wuhan, China g. China Minmetals Corporation,... 100010 Beijing, China *corresponding author: Jun Gao, gaojun@mail.iggcas.ac.cn ACCEPTED MANUSCRIPT |  | Songnian, Lu, Huaikun, Li, Haifeng, Yu, Fengqing, Zhao, Chunliang, Yang (1999) Neoproterozoic Orogeny in Northwestern China. Gondwana Research, 2 (4) 610-611 doi:10.1016/s1342-937x(05)70217-3 | Journal (article/letter/editorial) | | 13-12-937X GR Neoproterozoic Orogeny in Northwestern China Lu Songnian, Li Huaikun, Yu Haifeng, Zhao Fengqing...Dnzlzigu Tianjirz 3001 70,China The Qilianshan Mountain in Northwestern China is commonly regarded as...Devonian unconformity were discovered. Recently an eclogite-granitoid gneiss belt, which is situated along...monzonite-granite and Krich granite. A typical coesite-eclogite outcrop has been discovered recently on the Yuqiahe...The eclogite occurs lenticularly in the granitoid gneiss of the Dakendaban Complex. The eclogite consists |  | WEI, C. J., YANG, Y., SU, X. L., SONG, S. G., ZHANG, L. F. (2009) Metamorphic evolution of low-Teclogite from the North Qilian orogen, NW China: evidence from petrology and calculated phase equilibria in the system NCKFMASHO. Journal of Metamorphic Geology, 27 (1) 55-70 doi:10.1111/j.1525-1314.2008.00803.x | Journal (article/letter/editorial) | | Metamorphic evolution of low-T eclogite from the North Qilian orogen, NW China: evidence from petrology and...100871, China (cjwei@pku.edu.cn) ABSTRACT Low-T eclogites in the North Qilian orogen, NW China share...share a common assemblage of garnet, omphacite, glaucophane, epidote, phengite, quartz and rutile with or...for amphibole and clinopyroxene. Garnet in the eclogite typically exhibits growth zonations in which pyrope...P–T conditions of lawsonite-eclogite facies at the pre-peak stage. Omphacite shows an increase in jadeite |  | Tan, Zhou, Gao, Jun, Jiang, Tuo, Wang, Xinshui, Zhang, Xi (2019) P–T–time (phengite Ar closure) history of spatially close-outcropping HP and UHP oceanic eclogites (southwestern Tianshan): implication for a potential deep juxtaposing process during exhumation?. International Geology Review, 61 (10) 1270-1293 doi:10.1080/00206814.2018.1507760 | Journal (article/letter/editorial) | | Sciences, Beijing, China; bUniversity of Chinese Academy of Sciences, Beijing, China; cLaboratory of Isotope...Centre of China Geological Survey, Wuhan, China; dChina Minmetals Corporation, Beijing, China ABSTRACT...recent study on the ultra-high pressure (UHP) eclogite revealed a short timescale of exhumation (≤10...samples from a HP eclogite lens and its host rock, the UHP thick-layered eclogite. Based on data from...geodynamics. According to modelling results, the HP lens eclogite reached peak metamorphism at ~550°C, 2.50 GPa |  | Zhang, Yong, Pan, Tong, Zhang, Aikui, He, Shuyue, Qian, Ye, Bai, Yongshan (2023) Spatial Relationship between Eclogite and Copper-Nickel Mineralization in East Kunlun, China. Minerals, 13 (3) 330 doi:10.3390/min13030330 | Journal (article/letter/editorial) | | Relationship between Eclogite and Copper-Nickel Mineralization in East Kunlun, China Yong Zhang 1 , Tong...Relationship between Eclogite and Copper-Nickel Mineralization in East Kunlun, China. Minerals 2023, 13...Exploration Institute of Qinghai Province, Xining 810029, China Bureau of Geology and Mineral Exploration and Development...Xining 810001, China College of Earth Sciences, Jilin University, Changchun 130061, China Qinghai Geological...Geological Survey Institute, Xining 810012, China Correspondence: pant66@163.com (T.P.); qhskyzak@163.com |  | | Journal (article/letter/editorial) | | Eclogites from the South Dabie Orogen, Central China: an Insight from Phase Equilibria Modelling C....Space Sciences, Peking University, Beijing 100871, China Short title: MT-UHP Eclogites from south Dabie...Shuanghe and Bixiling areas, consist of garnet, omphacite, phengite, epidote, hornblendic amphibole, quartz/coesite...eclogites should have a peak assemblage of garnet + omphacite + lawsonite + phengite + coesite in most rocks...predicted to have a peak assemblage of garnet + omphacite + coesite ± phengite without lawsonite, where |  | | Journal (article/letter/editorial) | | Discovery of Early Paleozoic eclogite from the East Kunlun, Western China and its tectonic significance...of Geological Sciences (CAGS), Beijing 100037, China a r t i c l e i n f o Article history: Received...June 2012 Handling Editor: Z. Zhang Keywords: Eclogite Geochronology Early Paleozoic HP metamorphism...Kunlun Mountains, Western China, are primarily composed of garnet+omphacite+quartz+rutile. The garnets...19–29% grossularite and 16–29% pyrope, and the omphacite has a jadeite content of 21–63%. The peak-metamorphic |  | | Journal (article/letter/editorial) | | metamorphic belt, East China. Eclogite, gneiss, amphibolite (retrograded from eclogite), ultramafic rocks,...laser-ablation oxygen isotope analyses on garnet, omphacite, quartz, kyanite, amphibole, phengite, rutile...rocks in the depth range of 0–3,000 m (mainly eclogite and gneiss) show that the investigated rocks can...Sciencies, Baiwanzhuang Road 26, 100037 Beijing, China cal sections favour an ‘‘in situ’’ origin of the...primary medium-to-high salinity inclusions in omphacite, kyanite and quartz, and abundant secondary low-salinity |  | Cheng, Hao, Zhang, Chao, Vervoort, Jeffrey D., Lu, Honghua, Wang, Chao, Cao, Dadi (2012) Zircon U–Pb and garnet Lu–Hf geochronology of eclogites from the Lhasa Block, Tibet. Lithos, 155. 341-359 doi:10.1016/j.lithos.2012.09.011 | Journal (article/letter/editorial) | | Marine Geology, Tongji University, Shanghai 200092, China School of Earth and Environmental Sciences, Washington...Environment Science, East China Normal University, Shanghai 200062, China a r t i c l e i n f o Article...2012 Available online 2 October 2012 Keywords: Eclogite Geochronology Lhasa Lu–Hf U–Pb Tibet a b s t...quartzite, together with its host eclogite from the Jilang County in the Lhasa Block of northern Tibet...U–Pb geochronology. The composition of the Jilang eclogite is similar to supra-subduction-zone basalts found |  | Kwon, Sanghoon, Sajeev, K., Mitra, Gautam, Park, Youngdo, Kim, Sung Won, Ryu, In-Chang (2009) Evidence for Permo-Triassic collision in Far East Asia: The Korean collisional orogen. Earth and Planetary Science Letters, 279 (3) 340-349 doi:10.1016/j.epsl.2009.01.016 | Journal (article/letter/editorial) | | 13 February 2009 Editor: R.W. Carlson Keywords: eclogite high-pressure granulite clockwise P–T path Imjingang...characterized by a peak pressure assemblage of garnet+ omphacite + quartz + rutile, that is overprinted by multiphase...high-pressure assemblage with a pronounced absence of the omphacite component in clinopyroxene formed during the peak...structural styles with those of the Sulu belt (China) strongly suggests the existence of a Permo-Triassic...belt between the Sino-Korean (North China) and Yangtze (South China) blocks, and further east to Korea |  | | Journal (article/letter/editorial) | | in Austria Petrologic Constraints for Eoalpine Eclogite Facies Metamorphism in the Austroalpine Otztal...tschermakitic to pargasitic green amphiboles, omphacite (Jd4o), garnet II (Gr2o-3o PYl0), phengite (Si3...garnet and omphacite are interpreted as retrograde reaction products. Retrogression of the eclogite parageneses...Symplectites of diopside and plagioclase after omphacite, AI- and Na-poor green amphiboles, grossularite-poor...temperature conditions of the eclogite stage derived from Jd-content in omphacite and the gt-cpx-geothermometer |  | Wu, Y.-B., Gao, S., Zhang, H.-F., Yang, S.-H., Liu, X.-C., Jiao, W.-F., Liu, Y.-S., Yuan, H.-L., Gong, H.-J., He, M.-C. (2009) U-Pb age, trace-element, and Hf-isotope compositions of zircon in a quartz vein from eclogite in the western Dabie Mountains: Constraints on fluid flow during early exhumation of ultrahigh-pressure rocks. American Mineralogist, 94 (2) 303-312 doi:10.2138/am.2009.3042 | Journal (article/letter/editorial) | | Hf-isotope compositions of zircon in a quartz vein from eclogite in the western Dabie Mountains: Constraints on...Faculty of Earth Sciences, China University of Geosciences, Wuhan 430074, China 2 MOE Key Laboratory of...of Geology, Northwest University, Xi’an 710069, China 1 aBStraCt Quartz veins in high-pressure (HP)...zircon grains from a quartz vein within an UHP eclogite outcrop from the Hong’an area, western Dabie Mountains...the zircon grains contain inclusions of garnet, omphacite, rutile, quartz, and H2O, implying that they crystallized |  | Liang, J.L., Ding, X., Sun, X.M., Zhang, Z.M., Zhang, H., Sun, W.D. (2009) Nb/Ta fractionation observed in eclogites from the Chinese Continental Scientific Drilling Project. Chemical Geology, 268 (1) 27-40 doi:10.1016/j.chemgeo.2009.07.006 | Journal (article/letter/editorial) | | 510640, China Department of Earth Sciences, Sun Yat-Sen University, Guangzhou 510275, China Institute...Academy of Geological Sciences, Beijing 100037, China d Research Center for Mineral Resources, School...University Science and Technology of China, Hefei 230026, China b c a r t i c l e i n f o Article...Editor: R.L. Rudnick Keywords: Nb/Ta fractionation Eclogite Rutile Amphibole CCSD Subduction a b s t r a...detailed analyses of Nb and Ta concentrations of 19 eclogite samples and their principal mineral constituents |  | | Journal (article/letter/editorial) | | high-pressure fluids during retrograde metamorphism of eclogite-facies rocks ( Voltri Massif, Italian Western...porphyroclasts of omphacite (omphacite I) and are absent in later fine-grained omphacite (omphacite II) that forms...forms the mylonitic foliation. Omphacite I has been frequently replaced by retrograde symplectites (clinopyroxene...by availability of the fluid inclusions inside omphacite I. The symplectites have been in turn overgrown...amphiboles, indicating that breakdown of the omphacite I to symplectites still occurred at relatively |  | Matsumoto, M., Wallis, S., Aoya, M., Enami, M., Kawano, J., Seto, Y., Shimobayashi, N. (2003) Petrological constraints on the formation conditions and retrograde P-T path of the Kotsu eclogite unit, central Shikoku. Journal of Metamorphic Geology, 21 (4) 363-376 doi:10.1046/j.1525-1314.2003.00449.x | Journal (article/letter/editorial) | | conditions and retrograde P–T path of the Kotsu eclogite unit, central Shikoku M. MATSUMOTO,1,2 S. WALLIS...Japan ABSTRACT A largely undocumented region of eclogite associated with a thick blueschist unit occurs...composition of coexisting garnet and omphacite suggests that the Kotsu eclogite formed at peak temperatures of...significant differences in oxygen fugacity of the eclogite reflected in mineral chemistries. The peak pressure...history recorded by the eclogite, and the composition of omphacite in associated eclogite facies pelitic schist |  | | Journal (article/letter/editorial) | | metagabbros and Cpx-bearing granulites. All the eclogite samples studied are formed of well-preserved HP...these eclogites are petrologically similar to the eclogite samples from the better known Běstvina Unit. Eclogites...preserve relict mineral assemblage from a pre-eclogite stage, enclosed in garnet with prograde zoning...kyanite eclogite from Úhrov (Medaris et al. 2006), 800–850 °C and 1.7–1.9 GPa for Spačice eclogite, 1160–1180...1160–1180 °C a 1.7–1.9 GPa for the quartz-rich eclogite, and 960 °C a 1.9 GPa for other eclogites. Faryad |  | Guo, Shun, Ye, Kai, Yang, Yueheng, Chen, Yi, Zhang, Lingmin, Liu, Jingbo, Mao, Qian, Ma, Yuguang (2014) In situ Sr isotopic analyses of epidote: tracing the sources of multi-stage fluids in ultrahigh-pressure eclogite (Ganghe, Dabie terrane) Contributions to Mineralogy and Petrology, 167 (2) doi:10.1007/s00410-014-0975-9 | Journal (article/letter/editorial) | | sources of multi-stage fluids in ultrahigh-pressure eclogite (Ganghe, Dabie terrane) Shun Guo • Kai Ye • Yueheng...(UHP) eclogites and omphacite–epidote veins therein at Ganghe (Dabie terrane, China), determined using...(Ep-In) in omphacite that define the earliest stage of epidote formation in the eclogite; (2) coarse-grained...contain omphacite with Ep-In inclusions in the eclogite; (3) fine-grained HP epidote in omphacite–epidote...which crosscut the Ep-P or matrix minerals in the eclogite and HP vein. Both Ep-P and Ep-V crystals exhibit |  | | Journal (article/letter/editorial) | | Petrology and Mineralogy of Eclogite and Garnet Amphibolite from Puerto Cabello, Venezuela by BENJAMIN...of garnet-clinopyroxene (eclogite), garnet-clinopyroxeneamphibole (eclogite-amphibolite) and garnet-amphibole...the epidote-amphibolite facies. Occurrences of eclogite rocks usually are found to be xenoliths in kimberlite...blocks in migmatites and schists. The presence of eclogite metamorphosed in situ with rocks of obvious sedimentary...September 5, 2015 ABSTRACT Occurrences of eclogite, eclogite-amphibolite, and garnet amphibolite from |  | Miller, C., Thöni, M., Konzett, J., Kurz, W., Schuster, R. (2005) Eclogites from the Koralpe and Saualpe type-localities, Eastern Alps, Austria. Mitteilungen der Österreichischen Mineralogischen Gesellschaft, 150. | Journal (article/letter/editorial) | | 590 °C at 250-270 Ma; HABLER & THÖNI, 2001), and eclogite facies (2.4 GPa and 650-730°C at approximately...pegmatite gneisses. Meter to kilometre-sized lenses of eclogite, eclogiteamphibolite and (meta)gabbros occur within...is also linked to the rapid exhumation of the eclogite bearing unit (KURZ & FRITZ, 2003). Subsequent...either quartz- or kyanite-rich and contain garnet, omphacite, quartz, kyanite, zoisite/clinozoisite, rutile...Amphiboles may be in textural equilibrium with omphacite and garnet, but more frequently form poikiloblasts |  | | Journal (article/letter/editorial) | | indicate that distinct mantle sources existed for the eclogite protoliths 1.3 Ma ago, and that enrichment in...structural development. The sporadic occurrence of eclogite outcrops throughout these complexes is a notable...f 11 Ma; Paquette et al., 1984). Moreover, one eclogite (La Richaudais) has been recently dated, yielding...yielding an age of ,413 f 16 Ma for the eclogite-facies metamorphism and an age of 2208 ?r 39 Ma for its...(Paquette et al., 1985). In the present study, one eclogite and three metagabbros were sampled from two different |
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