 | 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) | | minerals Article Spatial Relationship between Eclogite and Copper-Nickel Mineralization in East Kunlun...Qian, Y.; Bai, Y. Spatial Relationship between Eclogite and Copper-Nickel Mineralization in East Kunlun...between the Cu-Ni deposits and eclogite distribution. In this study, eclogite samples from the Xiarihamu...electron probe microanalysis (EPMA). Further, eclogite protolith properties, the formation environment...mechanism were also investigated. Geochemically, eclogite is rich in MgO and FeO and low in alkali and SiO2 |  | | Journal (article/letter/editorial) | | Wilhelms-Universität, Corrensstrasse 24, D-48149 Münster, Germany (m.a.smit@uni-muenster.de) ABSTRACT Eclogites...that occur interstitially between phases of the eclogite facies assemblage: garnet + omphacite + zoisite...Pressure and temperature conditions for the main eclogite stage are estimated to be 2.3–2.8 GPa and 585–655...result, recognition of magnesite and aragonite in eclogite facies rocks has been used as an indicator for... The formation of aragonite is constrained to eclogite facies conditions, which implies that the studied |  | Skublov, S. G., Balashov, Yu. A., Marin, Yu. B., Berezin, A. V., Mel’nik, A. E., Paderin, I. P. (2010) U-Pb age and geochemistry of zircons from Salma eclogites (Kuru-Vaara deposit, Belomorian Belt) Doklady Earth Sciences, 432 (2) 791-798 doi:10.1134/s1028334x10060188 | Journal (article/letter/editorial) | | 10.1134/S1028334X10060188 The possibility of eclogite formation in the Archean is currently considered...Archean eclogites (U–Pb age of zircons from the eclogite is 2721 ± 6 Ma) were originally discovered in...the Kola Peninsula. Later, numerous bodies of eclogitelike bodies as tectonic blocks of dif ferent...Apatity, Russia c Plekhanov Saint Petersburg State Mining Institute, Saint Petersburg, Russia d Karpinsky...of eclogite metamorphism with ages of 2.82 and 2.72 Ma were distinguished for the Salma eclogite mainly |  | 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) | | Universität Potsdam, Postfach 601553, D-14415 Potsdam, Germany ABSTRACT New petrographic evidence and a review...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 |  | Carswell, D. A, Krabbendam, M., Cuthbert, S. J., Eide, E. A, Brueckner, H. K., Medaris Jr, L. G (2003) Guidebook to the Field Excursions in the Nordfjord-Stadlandet-Almklovdalen Area. Norges Geologiske Undersøkelse. Rapport 2003.056. Norges Geologiske Undersøkelse (NGU) | Report (issue) | | conducted during the Alice Wain Memorial West Norway Eclogite Field Symposium held in Selje from June 21st-28th...high- and ultrahigh-pressure rocks. Keywords: Eclogite Gabbro Ultrahigh-pressure Peridotite Western...Microdiamond ALICE WAIN MEMORIAL WEST NORWAY ECLOGITE FIELD SYMPOSIUM JUNE 21st – 28th, 2003 in SELJE...spectroscopy, of an occurrence of coesite within an eclogite in the WGR. This coesite is preserved (armoured...Figure 1-1) within a small, partly retrograded, eclogite pod at Grytting, near Selje, in the SW part of |  | | Journal (article/letter/editorial) | | oceanic suture. Only a small number of HP metabasite outcrops, have been described in the Central Iberian Zone...Galicia–Tras-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 |  | | Journal (article/letter/editorial) | | pairs yield about 820°C, and P > I 5 kb for the eclogite f:~cies metamorphism. J. Bernard-Criflfiths &... the existence of high pressure granulite and eclogite metamorphism is quite evident {Las~fier et ai...I + +h.~-+ 4÷÷ + ~ .÷ [A]: Localities of eclogite occurrences (shown by solid circles) in the...indicates that the metamorphism has reached the eclogite/granulite facies. Moreover, high-P eclogitic rocks...et al. 1969). Since the boundaries of the eclogite outcrops are roughly parallel to the isograde of Barrovian |  | | 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) | | 700–800 °C. Plagioclase-bearing assemblages, rich in hydrous phases, formed along margins of eclogite lenses...are from 1–50 cm thick, with adjacent wall-rock eclogite replaced by symplectites. At a low degree of reaction...orthopyroxene–plagioclase–spinel in garnet; plagioclase– sapphirine, plagioclase–corundum and plagioclase–spinel...plagioclase–spinel in kyanite; and diopside–plagioclase in omphacite. The microfractures are often arranged en echelon...Tibetan plateau is caused by transformation of eclogite to granulite in the crustal root zone. Such models |  | | 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) | | conductivity of OH‑bearing omphacite and garnet in eclogite: the quantitative dependence on water content...© Springer-Verlag GmbH Germany, part of Springer Nature 2019 Abstract Eclogite is potentially an important...electrical conductivity of omphacite and garnet in eclogite has been measured at 1 GPa and 350–800 °C with...are used to model the bulk conductivity of an eclogite with different water contents and modal compositions...combination with reported data, the conductivity of the eclogite is similar to that of typical granulites above |  | Miller, Christine, Mundil, Roland, Thöni, Martin, Konzett, Jürgen (2005) Refining the timing of eclogite metamorphism: a geochemical, petrological, Sm-Nd and U-Pb case study from the Pohorje Mountains, Slovenia (Eastern Alps) Contributions to Mineralogy and Petrology, 150 (1) 70-84 doi:10.1007/s00410-005-0004-0 | Journal (article/letter/editorial) | | Thöni Jürgen Konzett Refining the timing of eclogite metamorphism: a geochemical, petrological, Sm-Nd...within the stability field of quartz. Metapelitic eclogite country rocks contain the assemblage garnet +...are in good agreement with results obtained from eclogite samples. The eclogites contain a single population...of 90.7±3.9 and 90.1±2.0 Ma (Nd: +8) for two eclogite samples. The agreement between U-Pb and Sm-Nd...Austroalpine basement including the Koralpe and Saualpe eclogite type locality in the course of the complex collision |  | | Journal (article/letter/editorial) | | Geol., 50: 201--222. A rare textural variety of eclogite characterized by a two-fold occurrence of omphacite...successive stages of metamorphic evolution: (1) Pre-eclogite stage, when the primary rocks developed the mineral...(greenschist facies). (2) Eclogite stage, when the rock gained typical eclogite mineral compositions as...unaccompanied by an increase in PH20 (eclogite facies). (3) Post-eclogite stage, when the garnet--omphacite...stable and was transformed into a hornblende~-plagioclase association as a result of the decrease of total |  | Zheng, Yong-Fei, Fu, Bin, Xiao, Yilin, Li, Yiliang, Gong, Bing (1999) Hydrogen and oxygen isotope evidence for fluid–rock interactions in the stages of pre- and post-UHP metamorphism in the Dabie Mountains. Lithos, 46 (4) 677-693 doi:10.1016/s0024-4937(98)00090-5 | Journal (article/letter/editorial) | | fractionations between omphacite and garnet in some eclogite samples. The d18 O values of y4 to y1‰ for some...metamorphism. Heterogeneous d18 O values for the eclogite protoliths implies not only the varying degrees...Keywords: Stable isotope; Fluid–rock interaction; Eclogite; Metamorphism; Plate subduction; The Dabie Mountains...(1999) 677–693 Previous studies determined that eclogite and associated quartz–schist from Donghai in the...exchange has been presumed to occur between the eclogite protoliths and a fluid of meteoric origin before |  | ŠTÍPSKÁ, P., CHOPIN, F., SKRZYPEK, E., SCHULMANN, K., PITRA, P., LEXA, O., MARTELAT, J. E., BOLLINGER, C., ŽÁČKOVÁ, E. (2012) The juxtaposition of eclogite and mid-crustal rocks in the Orlica-Śnieżnik 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 _ Orlica–Śnieznik...F-59655 Villeneuve d ÕAscq, France ABSTRACT Eclogite, felsic orthogneiss and garnet–staurolite metapelite...cleavage, S3, occur locally. The S1 fabric in the eclogite is defined by alternation of garnet-rich (grs =...retrograde S2 fabric is formed by amphibole, plagioclase, biotite and relict rutile surrounded by ilmenite...folding are associated with retrogression of the eclogite under amphibolite facies conditions, and with |  | | Journal (article/letter/editorial) | | S0016-7037(00)00801-8 Oxygen isotope equilibrium between eclogite minerals and its constraints on mineral Sm-Nd...systems of eclogite minerals. The omphacite– garnet pairs of oxygen isotope equilibrium at eclogite-facies...pairs. The presence or absence of fluid in the eclogite protoliths is a major rate-controlling factor...equilibrium conditions. 2. GEOLOGICAL SETTINGS The eclogite samples used in this study were collected from...gneisses, and schist, metagranite associated with the eclogite blocks (Wang et al., 1995). These observations |  | 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...and gneisses 1-2 - lines bounding the gabbro-eclogite transition province 3 - line of sill imanite-disthene...(glaucophane-lawsonite, disthene schists and gneisses, and eclogite). Boundary between the first two groups is determined...granitic rocks carrying feldspar, quartz, and plagioclase with a basicity not higher than Nos. 20-25 undergo...and by the lower stability limit of Ca-carrier plagioclase (beginning with Nos. 10-20). Within Group C, |  | | Journal (article/letter/editorial) | | to account for the garnet peridotite and eclogite outcrops in the Alpe Arami peridotite mass near Bellinzona...6~ on the north side of Moldefjord in Romsdal district, some 45 miles N.W. of Tafjord. Lappin (1962,...PERIDOTITE 325 C) gg I0 PERIDOTITE 11 I OUTCROPS 2 I kms. r .0 ~'~J' c9 i 9 /i" UGELVI K...Biotite-l- Plagioclase-b rutile + sphene, 2. Garnet q- Augite -k Hornblende q- Biotite -k Plagioclase -k Quartz...--k Hypersthene -k- Hornblende q- Biotite + Plagioclase 6- rutile -k sphene. In these assemblages the |  | 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) | | Geosciences, University of Frankfurt, Frankfurt am Main, Germany. 2 Research Station in Bishkek, Russian Academy...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...effusive bodies are mainly composed of olivine and plagioclase basalts. The trace and rare earth element (REE) |  | Kirchenbaur, M., Pleuger, J., Jahn-Awe, S., Nagel, T. J., Froitzheim, N., Fonseca, R. O. C., Münker, C. (2012) Timing of high-pressure metamorphic events in the Bulgarian Rhodopes from Lu–Hf garnet geochronology. Contributions to Mineralogy and Petrology, 163 (5) 897-921 doi:10.1007/s00410-011-0705-5 | Journal (article/letter/editorial) | | Sm–Nd 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...Universität Bonn, Poppelsdorfer Schloss, 53115 Bonn, Germany e-mail: Kirchenbaur@uni-bonn.de M. Kirchenbaur...zu Köln, Zülpicher Strasse 49b, 50674 Köln, Germany J. Pleuger ETH Zürich, Geologisches Institut,...units of the Hellenides. Keywords Geochronology Eclogite Lu–Hf Sm–Nd HP metamorphism Rhodopes |  | | 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 |  | | 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) | | the kyanite-rich eclogites were derived from plagioclase-rich gabbroic cumulates, whereas the quartz-rich...reaction textures include (i) clinopyroxene – plagioclase intergrowths after omphacite, (ii) replacement...replacement of kyanite by corundum – plagioclase – spinel F sapphirine symplectites, (iii) breakdown of phengite...phengite to biotite – plagioclase sapphirine symplectites. The results of this study indicate that Koralpe...Elsevier B.V. All rights reserved. Keywords: Kyanite eclogite; Geochemistry; P – T conditions; Pohorje; Slovenia |  | | Journal (article/letter/editorial) | | experiment”, Ruhr-University, D-44780 Bochum, Germany Accepted 9 April 1997 Abstract The metamorphic...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, |
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