 | | Journal (article/letter/editorial) | | Petrology of the nyb6ite-bearing eclogite in the Donghai area, Jiangsu Province, eastern China T . HIRAJIMA...Geology and Mineralogy, Kyoto University, Kyoto 606, Japan R. ZHANG, J. Ll AND B. CONG Institute of Geology...Nyb6ite occurs as porphyroblasts in the Jianchang eclogite in the Donghai area, northeastern Jiangsu Province...Jianchang eclogite contains some inclusions of quartz after coesite in clinopyroxene, garnet and epidote. It...associated with jadeitic pyroxene in the Jianchang eclogite, although other porphyroblastic amphiboles in | | | Journal (article/letter/editorial) | | Petrology of the nyb6ite-bearing eclogite in the Donghai area, Jiangsu Province, eastern China T . HIRAJIMA...Geology and Mineralogy, Kyoto University, Kyoto 606, Japan R. ZHANG, J. Ll AND B. CONG Institute of Geology...Nyb6ite occurs as porphyroblasts in the Jianchang eclogite in the Donghai area, northeastern Jiangsu Province...Jianchang eclogite contains some inclusions of quartz after coesite in clinopyroxene, garnet and epidote. It...associated with jadeitic pyroxene in the Jianchang eclogite, although other porphyroblastic amphiboles in |  | | Journal (article/letter/editorial) | | University, Tsushima–naka 3–1–1, Okayama 700–8530, Japan ** Division of Earth and Planetary Sciences, Graduate...School of Science, Kyoto University, Kyoto 606–8502, Japan This study examines the effect of jadeite content...the estimation of metamorphic temperatures of eclogite, garnet granulite and garnet peridotite. Since...positive correlation between Xjd and T in two eclogite samples from Jianchang in the Donghai area of...composition on KD 83 ies, lenses and layers of eclogite and eclogitic rocks, ultramafic bodies and minor |  | | Journal (article/letter/editorial) | | homepage: http://www.tandfonline.com/loi/tigr20 Eclogite varieties and petrotectonic evolution of the northern...Martens, Tatsuki Tsujimori & Juhn G. Liou (2016): Eclogite varieties and petrotectonic evolution of the northern...http://dx.doi.org/10.1080/00206814.2016.1245592 Eclogite varieties and petrotectonic evolution of the northern...Sendai, Japan ABSTRACT ARTICLE HISTORY Field and petrologic characteristics of two new eclogite localities...locality exposes a coherent body of retrogressed eclogite hundreds of metres long that is associated with |  | Li, Xu-Ping, Yan, Ji-Yuan, Schertl, Hans-Peter, Kong, Fan-Mei, Xu, Hong (2014) Eclogite from the Qianliyan Island in the Yellow Sea: a missing link between the mainland of China and the Korean peninsula. European Journal of Mineralogy, 26 (6) 727-741 doi:10.1127/ejm/2014/0026-2403 | Journal (article/letter/editorial) | | DOI: 10.1127/ejm/2014/0026-2403 PrePub Article Eclogite from the Qianliyan Island in the Yellow Sea: a...Sea of China, lenses and layers of eclogite and two-mica epidote–plagioclase gneiss occur within granitic...granitic gneiss. From the eclogite, peak metamorphic conditions of 775 C, 2.6 GPa were defined using compositions...with high Si contents. During exhumation, the eclogite underwent different stages of retrogression, i...amphibolite-facies (740–790 C, 1.60–1.75 GPa,), epidote-amphibolite-facies (640–690 C, 0.8–1.0 GPa), and |  | | Journal (article/letter/editorial) | | range, 450–650 °C and 18–28 kbar: the stability of eclogite G. REBAY,1 R. POWELL2 AND J. F. A. DIENER3 1 Dipartimento...temperature eclogite (with T ¼ 600 °C) represents a significant part of the occurrences of eclogite in orogenic...orogenic belts. ÔTrueÕ eclogite, with, for example, garnet + omphacite >70%, is well represented in such...such an occurrence. Calculated phase equilibria in Na2O–CaO–K2O–FeO–MgO–Al2O3– SiO2–H2O–TiO2–O (NCKFMASHTO)...are used to see under what circumstances ÔtrueÕ eclogite is predicted to occur. The variables considered |  | | Report (chapter) | | glaucophane-bearing eclogite, and 16 kbar at 600 + 50 8C for the Tin Hama phengite eclogite, values indicative...high-pressure metamorphism. We describe here the first occurrence of Precambrian glaucophane sensu stricto and...flat-lying cleavage. Chlorite, white mica, albite, epidote and carbonate are the common mineral assemblages...metapelites and quartz-schists, with the local occurrence of Mn-rich garnet in metapelites and of pale...phengite þ green biotite þ albite þ actinolite þ epidote þ carbonates, suggesting regional temperatures |  | | Report (chapter) | | garnet omphacite-rutile-quartz in glaucophane eclogite and garnet-omphacite-zoisiterutile _+kyanite _+phengite..._+phengite _+ankerite in barroisite eclogite. Most samples contain a significant amount of amphibole...barroisite in most samples, but in relatively Fe-rich eclogite it is glaucophane with significant Na in the A...Kaghan nappe and metamorphic evolution of the eclogite-bearing units of the Neelum valley just to the...indicate that the eclogite occurrences of the Kaghan-Neelum area define an eclogite-bearing terrane of |  | | Journal (article/letter/editorial) | | region of the central Tauern Window, east of the Eclogite Zone. A four-stage metamorphic evolution has been...570°C, slightly below those reported from the Eclogite Zone (around 600°C, 20 kbar). In several instances...occurred during uplift, apparently still within the eclogite facies (stage III). As it is impossible to reconcile...(symplectite formation), transformed most of the eclogite bodies into garnet amphibolites and even greenschists...most evidence of the earlier PT-path. Evidence of eclogite-facies metamorphism of the country rocks has been |  | | Journal (article/letter/editorial) | | 1111/jmg.12089 Coexistence of garnet blueschist and eclogite in South Tianshan, NW China: dependence of P–T...cn) ABSTRACT Coexisting garnet blueschist and eclogite from the Chinese South Tianshan high-pressure...assemblages involving garnet, omphacite, glaucophane, epidote, phengite, rutile/sphene, quartz and hornblendic...hornblendic amphibole with or without paragonite. Eclogite assemblages generally contain omphacite >50 vol.% and...absent in the matrix. The coexisting blueschist and eclogite show dramatic differences in the bulk-rock compositions |  | Bröcker, Michael, Fotoohi Rad, Gholamreza, Burgess, Ray, Theunissen, Stephanie, Paderin, Ilya, Rodionov, Nikolay, Salimi, Zohre (2013) New age constraints for the geodynamic evolution of the Sistan Suture Zone, eastern Iran. Lithos, 170. 17-34 doi:10.1016/j.lithos.2013.02.012 | Journal (article/letter/editorial) | | mélange blocks were affected by eclogite-, blueschist- and/or epidote amphibolite-facies P–T conditions...occurrences of high-pressure/low temperature rocks and epidote amphibolites. Multi-point Rb\Sr mineral isochrons...for a retrograde epidote-biotite assemblage in an overprinted domain of an eclogite. Ion probe U\Pb zircon...blocks and lenses were affected by eclogite-, blueschist- and/or epidote amphibolite-facies P–T conditions...data of white mica and calcic amphibole from four eclogite and amphibolite facies samples indicated a considerable |  | Stanek, Klaus P., Maresch, Walter V., Scherer, Erik, Krebs, Martin, Berndt, Jasper, Sergeev, Sergey S., Rodionov, Nikolay, Pfänder, Jörg, Hames, Willis E. (2019) Born in the Pacific and raised in the Caribbean: construction of the Escambray nappe stack, central Cuba. A review. European Journal of Mineralogy, 31 (1) 5-34 doi:10.1127/ejm/2019/0031-2795 | Journal (article/letter/editorial) | | in the Yayabo amphibolites and 25 kbar in the eclogite-bearing Gavilanes Unit. The diachronous timing...Hertwig et al., 2016). In the second type of occurrence (see Fig. 1a), the oceanic subduction-accretionary...serpentinized ultramafic rocks surrounding rare blocks of eclogite (e.g., Garcı́a-Casco et al., 2002), shown as the...Escambray Mountains expose the largest contiguous occurrence of metamorphic rocks along the northern Caribbean...Felicidad Formation (Somin & Millan, 1974; (2) Occurrence of jadeite-rich blueschists in the SSD (Somin |  | Gray, David R, Hand, Martin, Mawby, Jo, Armstrong, Richard A, Miller, John McL, Gregory, Robert T (2004) Sm–Nd and Zircon U–Pb ages from garnet-bearing eclogites, NE Oman: constraints on High-P metamorphism. Earth and Planetary Science Letters, 222 (2) 407-422 doi:10.1016/j.epsl.2004.03.016 | Journal (article/letter/editorial) | | Poly-deformed and poly-metamorphosed glaucophane-eclogite mega-boudins beneath the Samail Ophiolite, Oman...– whole rock isochron data from garnet-bearing eclogite assemblages in the As Sifah subwindow in NE Oman...V. All rights reserved. Keywords: subduction; eclogite facies; Oman; Sm – Nd dating; U – Pb SHRIMP zircon... Older pre-ophiolite crystallisation ages for eclogite metamorphism of the margin rocks have been linked...recently published geochronological data suggest that eclogite metamorphism is f 78 F 2 Ma [7] based on two |  | | 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...the Moldanubian Zone as well as the classical occurrence of the Gföhl Unit in the south-eastern part of...kyanite eclogite from Úhrov (Medaris et al. 2006), 800–850 °C and 1.7–1.9 GPa for Spačice eclogite, 1160–1180 |  | | Report (chapter) | | February 27, 2015 Fluid-mediated alteration of eclogite lenses in subduction complexes: a case from the...emplacement of the composing units. Recognition of the eclogite-bearing mélange character of the BC (Săbău...types could be distinguished in the BC: (a) common eclogite (some occurrences described by Gherasi et al....derived eclogites (Săbău 2000); (b) Cr-bearing eclogite (Costin & Luffi 2001; Negulescu et al. 2007) consisting...SĂBĂU & Săbău 2012); (c) (meta)gabbronorite and eclogite representing E-MORB-derived rocks (Negulescu et |  | | Journal (article/letter/editorial) | | PrePub Article Early Variscan P-T evolution of an eclogite body and adjacent orthogneiss from the northern...uni-stuttgart.de rre ct ed pr oo f Abstract: An eclogite and its surrounding gneiss from the Malpica-Tuy...studied. In addition to garnet and omphacite, the eclogite contains barroisitic amphibole, quartz, phengite...rutile, and accessory talc and (clino)zoisite–epidote. Garnet exhibits a chemical zonation with Alm59Prp13Grs24Sps4...plagioclase, K-feldspar, biotite, garnet, (clino)zoisite–epidote, and phengite with Si contents between 3.27 and |  | Bukała, Michał, Klonowska, Iwona, Barnes, Christopher, Majka, Jarosław, Kośmińska, Karolina, Janák, Marian, Fassmer, Kathrin, Broman, Curt, Luptáková, Jarmila (2018) UHP metamorphism recorded by phengite eclogite from the Caledonides of northern Sweden:P-Tpath and tectonic implications. Journal of Metamorphic Geology, 36 (5) 547-566 doi:10.1111/jmg.12306 | Journal (article/letter/editorial) | | Article UHP metamorphism recorded by phengite eclogite from the Caledonides of northern Sweden: P-T path...conditions of their formation. Within the studied eclogite, clinopyroxene contains a high-Na core and two...three stages in the metamorphic evolution of the eclogite. Applied Quartz-in-Garnet (QuiG) geobarometry...stage) took place at 1.5-1.6 GPa and 620-660°C. The eclogite peak-pressure assemblage developed during the...metamorphic evolution of the eclogite is inferred from inclusions of epidote, amphibole and clinopyroxene |  | | Journal (article/letter/editorial) | | microstructures in garnet, titanite and clinozoisite from an eclogite of the Lower Schist Cover, Tauern Window, Austria...Universität Berlin, D-1063 Berlin Abstract: An eclogite sample from the Lower Schist Cover of the Tauern...few tens of metres distant from the intercalated Eclogite Zone, was studied by transmission electron microscopy...explained as the result of imbrication of the Eclogite Zone. Key-words: garnet, titanite, clinozoisite...Introduction Transmission electron microscopy (TEM) of eclogite minerals from the Tauern Window reveals a fascinating |  | | Journal (article/letter/editorial) | | interstitial copper mineralization. The only other eclogite occurrence recorded in Brazil, at Pouso Alegre, state...paper. The comparison with the only other eclogite occurrence known in Brazil (Hoppe et al., 1989), and...and with the cupriferous titanomagnetite ore occurrence at Serrote da Lage, state of Alagoas (Horbach and...geological setting. The Fazenda Boa Esperan~a-Bodoc6 occurrence Some lenses of metamorphosed mafic to ultramafic...and having the mineral assemblage of rutile + epidote + amphibole + plagioclase. (2) The eclogitic phase |  | | Book | | developed in the marginal areas of the Pacific Ocean in Japan, Kamchatka and the Koryak Mts. (Fig. 5), Alaska...crystallinity degree of illite) ; and on the occurrence of mineral pairs which may show a variable composition...greenschist facies, and facies of albite-epidote-amphibolites and albite-epidote-hornfels. The lower boundary is...low-pressure portion the boundary is indicated by the occurrence of orthopyroxene, enstatite and diopside instead...geothermal gradient ~ 60°C km“' (facies of albite-epidote and amphibole-hornfelses, pyroxene-hornfels facies |  | Li, Xiaoli, Zhang, Lifei, Wei, Chunjing, Slabunov, Alexander I. (2015) Metamorphic PT path and zircon U–Pb dating of Archean eclogite association in Gridino complex, Belomorian province, Russia. Precambrian Research, 268. 74-96 doi:10.1016/j.precamres.2015.07.009 | Journal (article/letter/editorial) | | Metamorphic PT path and zircon U-Pb dating of Archaean eclogite association in Gridino complex, Belomorian province...Metamorphic PT path and zircon U-Pb dating of Archaean eclogite association in Gridino complex, Belomorian province...Belomorian eclogite; 3 We confirm the clock-wise metamorphic PT path of Belomorian eclogite assemblages;...assemblages; 4 Neoarchean age of Belomorian eclogite has been determined; 5 Subsequent high-temperature...reworking during the exhumation of Belomorian eclogite 6 assemblages has been suggested at Neoarchean; |  | | Journal (article/letter/editorial) | | metamorphic rocks, including garnet peridotite, eclogite, HP granulite, and HP amphibolite, are important...garnet amphibolite, 358 F 10 Ma, two samples of eclogite, 341 F 8 and 344 F 7 Ma, and garnet peridotite...Application of commonly accepted thermobarometers to eclogite (grt + cpx F ky F phn F pg F zo) yields a range...2003 Elsevier B.V. All rights reserved. Keywords: Eclogite; Garnet peridotite; Sm – Nd geochronology; Variscan;...Variscan; South Carpathians 1. Introduction Eclogite facies metamorphism is a well-documented feature |  | | Journal (article/letter/editorial) | | s ev i e r. c o m / l o c a t e / l i t h o s Eclogite from the ultrahigh-pressure metamorphic unit at...Cignana ransmission electron microscopy Coesite–eclogite Crystal defects Omphacite Amphibole a b s t r...metamorphism. We have studied the minerals of two eclogite samples from this unit using transmission electron...deformation microstructures from the UHP Lago di Cignana eclogite and other HP occurrences, it is unlikely that... however, will increase the shear strength of eclogite and the coupling with the overriding plate, which |  | | Journal (article/letter/editorial) | | metamorphism. Assemblages range from well-preserved eclogite, with minor growth of Na±Ca amphibole, to strongly...laser-probe analyses on rock chips from a well-preserved eclogite and a slightly retrogressed one reveal the presence...rutile ages obtained from the same well-preserved eclogite sample suggest that the oldest Na±Ca amphibole...that there was about a 10-Ma interval between the eclogite facies stage (at ³1.5 GPa) and the Ca amphibole-hydration...applied to amphibole from one of the well-preserved eclogite samples previously investigated by the Sm±Nd and |  | Di Vincenzo, G., Palmeri, R., Talarico, F., Andriessen, P.A.M., Ricci, G.A. (1997) Petrology and Geochronology of Eclogites from the Lanterman Range, Antarctica. Journal of Petrology, 38 (10) 1391-1417 doi:10.1093/petroj/38.10.1391 | Journal (article/letter/editorial) | | remains unconstrained. In the well-preserved eclogite samples the reaction textures testify to three...three main metamorphic stages: (1) an eclogite facies stage, (2) a medium-pressure amphibolite facies stage...data place both the formation and exhumation of eclogite within a convergent plate margin setting, thus...chronology; eclogite; high-pressure metamorphism; Ross Orogen INTRODUCTION Metabasites with eclogite assemblages...38 during the high-pressure event (the in situ eclogite model) or whether the mafic eclogites were tectonically |
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