 | | Journal (article/letter/editorial) | | eclogites from the Western Dabieshan Terrane, Central China C. J. WEI, Y. J. LI, Y. YU AND J. S. ZHANG MOE Key...University, Beijing 100871, China (cjwei@pku.edu.cn) ABSTRACT Glaucophane-bearing ultrahigh pressure...Dabieshan terrane consist of garnet, omphacite, glaucophane, kyanite, epidote, phengite, quartz â coesite...coreârim decrease in j(o) [=Na â (Ca + Na)]. Glaucophane occurs as porphyroblasts in some samples and...metamorphism is predominated by dehydration of glaucophane and, to a lesser extent, chlorite, epidote and |  | | Report (chapter) | | org/ at UniversitĂŠ Laval on July 10, 2015 Glaucophane and barroisite eclogites from the Upper Kaghan...petrographical and mineral chemical study of glaucophane- and barroisite-bearing eclogites from the Upper...assemblage is garnet omphacite-rutile-quartz in glaucophane eclogite and garnet-omphacite-zoisiterutile _+kyanite..._+kyanite _+phengite _+ankerite in barroisite eclogite. Most samples contain a significant amount of amphibole...most samples, but in relatively Fe-rich eclogite it is glaucophane with significant Na in the A site, Ca |  | Dobretsov, N.I., Reverdatto, V.V., Sobolev, V .S., Sobnlev, N.V., Ushakova, Ye. N., Khlestov, V .V. (1966) Distribution of regional metamorphism fades in U.S.S.R. International Geology Review, 8 (11) 1335-1346 doi:10.1080/00206816609474411 | Journal (article/letter/editorial) | | t he facies of regional metamorphism, i.e. the outcrops of geologic bodies bounded by certain fairly rigorously...facies II - amphibolite facies V - lawsonite-glaucophane fades III - epidote-amphibolite fades VI - fades...and gneisses 1-2 - lines bounding the gabbro-eclogite transition province 3 - line of sill imanite-disthene... V, VI, and VII (glaucophane-lawsonite, disthene schists and gneisses, and eclogite). Boundary between...predilection for ancient platform structures. All outcrops of these formations are confined to the Archean |  | Wang, Huining, Liu, Fulai, Li, Jing, Sun, Zaibo, Ji, Lei, Tian, Zhonghua, Liu, Lishuang, Santosh, M. (2019) Petrology, geochemistry andPâTâtpath of lawsoniteâbearing retrograded eclogites in the ChangningâMenglian orogenic belt, southeast Tibetan Plateau. Journal of Metamorphic Geology, 37 (4) 439-478 doi:10.1111/jmg.12462 | Journal (article/letter/editorial) | | Sciences, Beijing, China 2 Yunnan Institute of Geological Survey, Kunming, China 3 School of Earth...Earth Sciences and Resources, China University of Geosciences, Beijing, China 4 Centre for Tectonics, Exploration...Chinese Academy of Geological Sciences, Beijing, China. Email: lfl0225@sina.com Funding information National...Project of China, Grant/Award Number: 2016YFC0600310; Natural Science Foundation of China, Grant/Award...peak lawsoniteâeclogite facies (M2) at 24â 26 kbar and 520â530°C, postâpeak epidoteâeclogite facies decompression |  | | Journal (article/letter/editorial) | | along the NW margin of the Tarim craton, western China. These occurrences indicate that, by Late Proterozoic...complex to create and preserve blueschist and eclogite, reflecting a cooling Earth. There may be a drastic...time shows three peaked periods of blueschist/eclogite formation, at 80 to 130 Ma, 400 to 500 Ma, and...transgression correspond to extensive blueschist/eclogite facies events and those of worldwide major regression...regression to less active periods of blueschist/eclogite formation. This relationship suggests that more |  | 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) | | The rocks of the Zermatt-Saas zone reflect an eclogite-facies imprint of Late Cretaceous (loo-80 Ma;...Several authors have estimated the conditions of eclogite-facies metamorphism in the Zermatt-Saas zone (see...calibrated geothermobarometers in the past. The eclogite-facies mineral assemblages were partly re-equilibrated...et al./Lithos metamorphic evolution. An early eclogite-facies metamorphism at ca. 500°C and 1.6 GPa,...the contacts between metasediments and larger eclogite bodies, and as metre sized lenses embedded in |  | Cheng, Hao, Liu, Yumeng, Vervoort, Jeffrey D., Lu, Honghua (2015) Combined U-Pb, Lu-Hf, Sm-Nd and Ar-Ar multichronometric dating on the Bailang eclogite constrains the closure timing of the Paleo-Tethys Ocean in the Lhasa terrane, Tibet. Gondwana Research, 28 (4) 1482-1499 doi:10.1016/j.gr.2014.09.017 | Journal (article/letter/editorial) | | Ar-Ar multichronometric dating on the Bailang eclogite constrains the closure timing of the Paleo-Tethys...Marine Geology, Tongji University, Shanghai 200092, China School of the Environment, Washington State University...Environment Science, East China Normal University, Shanghai 200062, China a r t i c l e i n f o Article...Editor: Z.M. Zhang Keywords: Lhasa terrane Tibet Eclogite LuâHf Subduction a b s t r a c t The Lhasa terrane...and plate suturing processes in this area. An eclogite from the Bailang, eastern Lhasa terrane, was investigated |  | | Journal (article/letter/editorial) | | Schulte ¡ P. BlĂźmel Metamorphic evolution of eclogite and associated garnet-mica schist in the high-pressure...metabasic garnetâomphacite schists and enclose eclogite boudins in the high-pressure metamorphic Maksyutov...for the eclogite boudin, an intermediate temperature (630°C, >1.7 GPa) for the foliated eclogite and the...the South Urals (49°Nâ56°N). The greenschist- to eclogite facies metamorphic Maksyutov Complex trends 180...(1977), for example, describes eight different eclogite varieties (Na-rich, Ti-rich, etc.) and Werner |  | | 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 |  | | Journal (article/letter/editorial) | | work (Maruyama et al 1 986) has confirmed that glaucophane is stable only at high pressures of above 7 kbar...in metabasites is generally of crossite and glaucophane composition (cf. Leake 1 978), and jadeite does...orogenic movements in a zone extending from Turkey to China (Sengor 1 987). The Indian subcontinent is another...d laurosio(l/Europeon units Alpide blueschist-eclogite facies rocks Apulian units Alpide me tamorphosed...Rcgions shown in black indicate blueschist/eclogite outcrops irrespective of the degree of the later, lower |  | | Report (chapter) | | deformation fabrics developed under blueschist and eclogite facies. Rosenbaum et al. (2002) similarly argued...Traditionally the best-preserved blueschist and eclogite outcrops are considered to lie in the northern part...preserving HP assemblages of sodic-pyroxene, garnet, glaucophane and epidote, to epidote, chlorite, albite and...calcite. Schist assemblages range from epidote-glaucophane-garnet~luartz schist, to epidote-chlorite-quartz...lineations, defined by preferred orientation of glaucophane, are parallel to the greenschist mineral lineation |  | | Journal (article/letter/editorial) | | Geology, Tongji University, 200092, Shanghai, P.R. China ABSTRACT Detailed electron- and ion-microprobe...ultrahigh-pressure (UHP) metamorphic eclogite from Dabie, east-central China. Compositional profiles of both...slab exhumation. Keywords: Atoll garnet, fluid, eclogite, Dabie INTRODUCTION Chemical zoning of metamorphic...in an eclogite from the Dabie ultrahigh-pressure (UHP) metamorphic belt in east-central China. These...located at Huangzhen in southern Dabie, east-central China, which has been recognized as the most extensive |  | 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) | | ďŹrstly 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...garnetiferous Eclogite with prograde zoned garnets and no evidence for coesite. G = glaucophane Florø Eclogite...eclogites in the Sunnfjord area to the south, to glaucophane-free, quartz-stable, HP eclogites around Nordfjord...because up until then it was widely assumed that eclogite facies metamorphism in the WGR was a Precambrian |  | | Journal (article/letter/editorial) | | oceanic suture. Only a small number of HP metabasite outcrops, have been described in the Central Iberian Zone...GaliciaâTras-os-Montes Zone). These metabasite outcrops appear as scattered boudins interbedded within...under high- to intermediate-pressure, close to eclogite-facies conditions (Barbero and Villaseca, 2000)...within the European Variscan orogen: a northernmost eclogite belt close to the main oceanic suture, and a younger...innermost array of HP metabasites and eclogite-facies outcrops formed during the thickening of these |  | Guo, Shun, Chen, Yi, Ye, Kai, Su, Bin, Yang, Yueheng, Zhang, Lingmin, Liu, Jingbo, Mao, Qian (2015) Formation of multiple high-pressure veins in ultrahigh-pressure eclogite (Hualiangting, Dabie terrane, China): Fluid source, element transfer, and closed-system metamorphic veining. Chemical Geology, 417. 238-260 doi:10.1016/j.chemgeo.2015.10.006 | Journal (article/letter/editorial) | | veins in ultrahigh-pressure eclogite (Hualiangting, Dabie terrane, China): Fluid source, element transfer...veins in ultrahigh-pressure eclogite (Hualiangting, Dabie terrane, China): Fluid source, element transfer...veins in ultrahigh-pressure eclogite (Hualiangting, Dabie terrane, China): fluid source, SC R IP T...Sciences, P.O. Box 9825, Beijing TE D 100029, China. 2. CAS Center for Excellence in Tibetan Plateau...Plateau Earth Sciences, Beijing CE P 100101, China. 3. State Key Laboratory of Marine Geology, Tongji University |  | | 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 feature...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...present study, one eclogite and three metagabbros were sampled from two different outcrops. The Horst des |  | | Journal (article/letter/editorial) | | exceeding the crustal levels. CE Blueschist- and eclogite-bearing HP-UHP complexes formed at low thermal...combined with the abundance of Late Neoproterozoic eclogite-bearing complexes all over the ACCEPTED MANUSCRIPT...(N-MORB or E-MORB) affinity for most of the studied eclogite- IP and blueschist-bearing associations may...northeastern Transbaikalia (Russia), which are the oldest eclogite-facies rocks in the CAOB (Avchenko et. al., 1989;...Neoproterozoic (~760 Ma) age of crystallization of the eclogite-hosting granitic gneisses and nearly coeval age |  | | Book (edition) | | . . . . . . . . . . . . . . . . . . . . . 9.8 Eclogite Facies Metamorphism . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . 9.8.3 Eclogite Facies in Gabbroic Rocks . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . 10.3.4 Eclogite and Blueschist Facies Granitoids . . . . . . ...Introduction and General Aspects of Metamorphism Kyanite-eclogite from Verpeneset, Nordfjord, Norway. Omphacite...Definition, Conditions and Types of Metamorphism 7 Su-Lu China eclogites pressure temperature conditions inside |  | | Journal (article/letter/editorial) | | com/locate/precamres Evolution history of the Neoproterozoic eclogite-bearing complex of the Muya dome (Central Asian...analyses were carried out on country rocks of the eclogiteâgneiss complex of the North Muya dome in the Anamakit-Muya...closure and collision. In this context, studies of eclogite-bearing metamorphic complexes of orogenic belts...Star indicates the position of the North Muya eclogiteâgneiss complex. SmâNd geochronology for eclogites...higher than 15 kbars and those for kyanite-bearing eclogite exceed 24 kbars (Shatsky et al., 2012). To resolve |  | | Journal (article/letter/editorial) | | conductivity of xenoliths collected from the basaltic outcrops in the south Tien Shan Range. The Tien Shan mountains...closing of the Turkestan Basin and formation of eclogite in subduction zones occurred at a depth of about...[Simonov et al., 2008a, 2008b]. Now the Tien Shan eclogite complexes mark the suture zone of the closure...south toward Tien Shan, in the Tuoyun Basin in China, and in the Fergana valley to the east, basaltic...basalts are Tuoyun sites in the Tuoyun River Basin in China. Tuoyun basalts as well as Ortosuu basalts contain |  | Kim, Taehwan, Kim, Yoonsup, Cho, Moonsup, Lee, Jong Ik (2019) PâTevolution and episodic zircon growth in barroisite eclogites of the Lanterman Range, northern Victoria Land, Antarctica. Journal of Metamorphic Geology, 37 (4) 509-537 doi:10.1111/jmg.12474 | Journal (article/letter/editorial) | | imaging of zircon grains separated from a barroisite eclogite revealed three distinct zones with bright rim...1. INTRODUCTION The worldwide occurrences of eclogite in suture zones are the product of high-P metamorphism...& Markley, 2015). However, prograde stages of eclogite-facies metamorphism, particularly This article...pseudosection modelling can be used to reproduce the eclogite-facies parageneses (e.g. Palin, Reuber, White...account. The timescale and prograde PâT path of eclogite-facies metamorphism are best elucidated for low- |  | Cooperdock, Emily H.G., Raia, Natalie H., Barnes, Jaime D., Stockli, Daniel F., Schwarzenbach, Esther M. (2018) Tectonic origin of serpentinites on Syros, Greece: Geochemical signatures of abyssal origin preserved in a HP/LT subduction complex. Lithos, 296. 352-364 doi:10.1016/j.lithos.2017.10.020 | Journal (article/letter/editorial) | | Greece. Syros is famous for its preservation of eclogite- and blueschist-facies rocks associated with serpentinites...serpentinites in multiple meta-ophiolitic outcrops (Katzir et al., 2007; Keiter et al., 2011; Ridley...hosts spectacularly preserved blueschist and eclogite outcrops, which place peak temperatures for HP-LT subduction...ophiolite exposure, including abundant serpentinite outcrops, is in northern Syros in the Kampos shear zone...Lia Beach (Fig. 1). In the west, less extensive outcrops occur at Kini beach, and on the Charassonas peninsula |  | Ĺ TĂPSKĂ, P., CHOPIN, F., SKRZYPEK, E., SCHULMANN, K., PITRA, P., LEXA, O., MARTELAT, J. E., BOLLINGER, C., Ĺ˝ĂÄKOVĂ, E. (2012) The juxtaposition of eclogite and mid-crustal rocks in the Orlica-ĹnieĹźnik Dome, Bohemian Massif. Journal of Metamorphic Geology, 30 (2) 213-234 doi:10.1111/j.1525-1314.2011.00964.x | Journal (article/letter/editorial) | | 1111/j.1525-1314.2011.00964.x The juxtaposition of eclogite and mid-crustal rocks in the _ OrlicaâSĚnieznik...F-59655 Villeneuve d ĂAscq, France ABSTRACT Eclogite, felsic orthogneiss and garnetâstaurolite metapelite...cleavage, S3, occur locally. The S1 fabric in the eclogite is deďŹned by alternation of garnet-rich (grs =...folding are associated with retrogression of the eclogite under amphibolite facies conditions, and with...with their juxtaposition. The shared part of the eclogite and metapelite PâT paths during the development |  | Kirchenbaur, M., Pleuger, J., Jahn-Awe, S., Nagel, T. J., Froitzheim, N., Fonseca, R. O. C., MĂźnker, C. (2012) Timing of high-pressure metamorphic events in the Bulgarian Rhodopes from LuâHf garnet geochronology. Contributions to Mineralogy and Petrology, 163 (5) 897-921 doi:10.1007/s00410-011-0705-5 | Journal (article/letter/editorial) | | SmâNd chronometers to a suite of representative eclogite samples covering two different key units of the...concentrations in order to constrain the nature of the eclogite protoliths. Two HP metamorphic events were revealed...units of the Hellenides. Keywords Geochronology Eclogite LuâHf SmâNd HP metamorphism Rhodopes ...geochronological and geochemical data for the eclogite-facies rocks are available so far, and the results...and omphacite/garnet mineral separates for four eclogite samples from two different tectonic units of |
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