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| Abstract From the abundant metre to km-sized eclogite bodies in the Variscan crystalline complex of...Keywords: Saxonian Erzgebirge; Variscan orogen; Eclogite; Protolith; MORB signature; Within-plate signature;...and geochemical systematics among the different eclogite occurrences in the Saxonian Erzgebirge. In particular...rocks, Mica-schist–Eclogite Unit (MEU), Red and Grey Gneiss Unit and Gneiss–Eclogite Unit (GEU), occur...also contains numerous metre to several km-sized eclogite bodies. These metabasic rocks have experienced |
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| 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...Province, eastern China. The Jianchang eclogite contains some inclusions of quartz after coesite in clinopyroxene...associated with jadeitic pyroxene in the Jianchang eclogite, although other porphyroblastic amphiboles in |
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| 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...Province, eastern China. The Jianchang eclogite contains some inclusions of quartz after coesite in clinopyroxene...associated with jadeitic pyroxene in the Jianchang eclogite, although other porphyroblastic amphiboles in |
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| 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 |
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| and the U/Pb age of zircons from the Hareidland Eclogite in the Western Gneiss Region of Norway D.A. Carswell...other eclogite-facies mineral phases within metamorphic zircons separated from the large eclogite body...these rocks and for the metastable preservation of eclogite-facies mineralogies. D 2003 Elsevier Science B...B.V. All rights reserved. Keywords: Coesite; Eclogite; Zircon; Raman spectroscopy; Age; Norway 1. Background...Background The petrology and petrogenesis of the eclogite on Hareidland, some 23 km SW of the west Norway |
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| 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 |
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| Eklogits. Summary Preliminary Note on a New Eclogite Occurrence in the Crystalline Complex o] South Carpathians...(Romania) Description of a recently discovered eclogite from the amphibolite complex of the Mehedin,ti-Highland...1965: Eclogite Types and Partition of Mg, Fe, and )/in between Clinopyroxene and Garnet. Proc. Japan. Acad |
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| peridotite bodies and of external orthopyroxene eclogite lenses directly enclosed within the gneisses on...Equivalent P-T estimates for external orthopyroxene eclogite lenses within the basement gneisses on both islands...mantle-derived peridotite bodies and external orthopyroxene eclogite lenses, is also shown to have been subjected to...noted by Smith (1984, 1988). However, for some eclogite occurrences, the additional presence of orthopyroxene...calibrated mineral assemblage reaction equilibria, of eclogite stabilization pressures that are consistent with |
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| 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 |
 | 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...South Yellow Sea of China, lenses and layers of eclogite and two-mica epidote–plagioclase gneiss occur...occur within granitic gneiss. From the eclogite, peak metamorphic conditions of 775 C, 2.6 GPa were defined...with high Si contents. During exhumation, the eclogite underwent different stages of retrogression, i...metamorphic terrane in South Korea. The occurrence of eclogite on the Qianliyan Island was only poorly |
 | Carswell, D. A., Brueckner, H. K., Cuthbert, S. J., Mehta, K., O'Brien, P. J. (2003) The timing of stabilisation and the exhumation rate for ultra-high pressure rocks in the Western Gneiss Region of Norway. Journal of Metamorphic Geology, 21 (6) 601-612 doi:10.1046/j.1525-1314.2003.00467.x | Journal (article/letter/editorial) |
| firstly amphibolite facies then quartz-stable, eclogite facies conditions. Currently, the best constrained...retain coesite inclusions) from the Hareidland eclogite. Exhumation must have followed shortly thereafter...Hornelen Ultramafic bodies: GU - garnetiferous Eclogite with prograde zoned garnets and no evidence for...for coesite. G = glaucophane Florø Eclogite with coesite or polycrystalline quartz, mostly with unzoned...because up until then it was widely assumed that eclogite facies metamorphism in the WGR was a Precambrian |
 | 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; |
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| 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 |
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| 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 |
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| Science Letters 123 (1994) 61-70 Newly discovered eclogite in the southern Appalachian orogen, northwestern...first reported eclogite (sensu stricto) in the southern Appalachian orogen. The eclogite occurs at the...craton. The primary metamorphic assemblage in the eclogite is garnet + omphacite + quartz + rutile. Hornblende...facies phases in the eclogite. Pressure-temperature estimates for the primary eclogite assemblage are consistent...also occur within the shear zone containing the eclogite. The presence of high-pressure metamorphic rocks |
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| Netherlands Sm-Nd isotopic systematics of a gabbro-eclogite transition MAI BRITT E. MORK* and EUAN W. MEARNS...of a gabbro-eclogite transition. In: W.L. Griffin (Editor), Second International Eclogite Conference....transition to eclogite; (2) coronitic leuco-gabbro norite; and (3) country-rock eclogite, all from the...original igneous Nd isotopic composition. Results for eclogite minerals suggest Caledonian ages, but these phases...texturally equilibrated and strongly deformed eclogite within adjacent gneisses have been disturbed on |
 | Beard, Brian L., Medaris, L. Gordon, Johnson, Clark M., Brueckner, Hannes K., Mísař, Zdenek (1992) Petrogenesis of Variscan high-temperature Group A eclogites from the Moldanubian Zone of the Bohemian Massif, Czechoslovakia. Contributions to Mineralogy and Petrology, 111 (4) 468-483 doi:10.1007/bf00320902 | Journal (article/letter/editorial) |
| and Department of Geology, Queens College of the City University of New York, Flushing,NY 11367, USA 3...Correspondence to: B.L. Beard these three types of eclogite occurrence correspond, respectively, to Group A, B,...Carswell (1990). Although the total volume of eclogite in the Bohemian Massif is small, its petrologic...into continental crust in the case of HT Group A eclogite, for continental thickening related to Ampferer-type...Ampferer-type subduction in the case of MT Group B eclogite, and for metamorphism of oceanic crust associated |
 | Kechid, Sid-Ali, Parodi, Gian Carlo, Pont, Sylvain, Oberti, Roberta (2017) Davidsmithite, (Ca,□)2Na6Al8Si8O32: a new, Ca-bearing nepheline-group mineral from the Western Gneiss Region, Norway. European Journal of Mineralogy, 29 (6) 1005-1013 doi:10.1127/ejm/2017/0029-2667 | Journal (article/letter/editorial) |
| occurs as a rock-forming mineral in the Liset eclogite pod (Norwegian Caledonides). It is transparent...unit formula, with some Na and □. In the Liset eclogite pod, davidsmithite occurs in retrogressed, formerly...plagioclase and taramitic amphibole. This eclogite occurrence is noted for its bulk-rock compositions rich...Ca-silicate; nepheline group; feldspathoid; Liset eclogite pod; Norway. un 5 28 1. Introduction 29 30...information on its occurrence in the retrogressed Na– Al-rich K–Mg-poor Liset eclogite pod in the Norwegian |
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| that xenoliths of garnet pyroxenite (also called eclogite) occurring in alkaline basalts are representative...of the total xenolith population) are of rare occurrence in the breccia. Very rare chamockite xenoliths...Garnet clinopyroxenite is preferred to fassaite eclogite (Lovering & White, 1969) as a name for the most...most common type in this suite since the term eclogite implies omphacitic(jadeite-rich) constituent clinopyroxenes...Volcano, Alaska (Foster et ah, 1966) and Itinomegata, Japan (Kuno, 1967; Aoki, 1971). These xenoliths appear |
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| – 265 www.elsevier.com/locate/lithos Kyanite eclogite xenolith from the orthogneiss terrane of the Tisza...2007 Abstract New evidence for high-pressure, eclogite facies metamorphism in the crystalline basement...(southern Hungary) is reported. The retrogressed mafic eclogite forms a small lens in the orthogneiss and it was...in the borehole near Jánoshalma. The carbonated eclogite contains the peak metamorphic assemblage omphacite...Carbonatization along the veins of the retrogressed eclogite was probably coeval with formation of these symplectites |
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| 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 |
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| 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...metapelites and quartz-schists, with the local occurrence of Mn-rich garnet in metapelites and of pale...the east of the Bourré massif. The ubiquitous occurrence of phengite þ garnet þ rutile mineral assemblages...SE of Tin Hama (Fig. 2). This latter eclogitic occurrence has the major element composition of a K-poor |
 | KIENAST, J. R., LOMBARDO, B., BIINO, C., PINARDON, J. L. (1991) Petrology of very-high-pressure eclogitic rocks from the Brossasco-Isasca Complex, Dora-Maira Massif, Italian Western Alps. Journal of Metamorphic Geology, 9 (1) 19-34 doi:10.1111/j.1525-1314.1991.tb00502.x | Journal (article/letter/editorial) |
| instead indicating a close similarity to some of the eclogite bodies occurring in the Adula nappe of the Central...Western Alps; eclogite; glaucophane stability; whiteschist. INTRODUCTION The occurrence of eclogite rocks is...high-pressure (HP) conditions, since most country rocks to eclogite are apparently devoid of HP mineral assemblages...Carswell, 1990). For this reason investigations of eclogite rocks which occur within tectonic units where...comprises a complex of polymetamorphic gneisses with eclogite and marble, intruded by large bodies of late Palaeozoic |
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| evolution of the continental crust. I. The gabbro-eclogite transition revisited D.J. Ellisa and M.A.H. Maboko...evolution of the continental crust. I. The gabbro-eclogite transition revisited. In: D.D. van Reenen, C....55: 491-506. We report the first occurrence of retrograde eclogite shear zones cutting Proterozoic granulites...Shear, in which lower-temperature, fine-grained eclogite developed. This demonstrates that mafic rocks...thermodynamic stability field of eclogite without undergoing transformation to eclogite. We agree with Harte et |
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| are interpreted as metagabbros. Recently, two eclogite occurrences, one hosted by serpentinite, the second...Gulsen mountain, W oft he Mur valley, showing the eclogite occurrences (location numbers 1 and 6) within...15 cm (Fig. 4). Based on the shape and type of occurrence, two dominating types of chromitites can be distinguished:...mantle/crust boundary (MALITCH et al., 2003a). The occurrence of chromitites, predominantly as schlieren and...S-poor partial melt portions in conduits. The occurrence of fluid inclusions within chromites indicates |
