 | Medaris, Gordon, Wang, Herb, Jelínek, Emil, Mihaljevič, Martin, Jakeš, Petr (2005) Characteristics and origins of diverse Variscan peridotites in the Gföhl Nappe, Bohemian Massif, Czech Republic. Lithos, 82 (1) 1-23 doi:10.1016/j.lithos.2004.12.004 | Journal (article/letter/editorial) | | I consists of spinel and garnet peridotite, is devoid of garnet pyroxenite or eclogite layers, has depleted...abundance of garnet pyroxenite layers. Type III consists of garnet peridotite, contains garnet pyroxenite and...fragment of the Cadomian Orogen (Franke, 2000), but garnet peridotite occurs only in the Gföhl Nappe (Machart...Evans, 1997). Elsewhere in the Variscan Orogen, garnet peridotite occurs in the Moldanubian zone in the...represented by the Nové Dvory body, consists of garnet peridotite, contains eclogite lenses, equilibrated |  | Kröner, A., O'Brien, P. J., Nemchin, A. A., Pidgeon, R. T. (2000) Zircon ages for high pressure granulites from South Bohemia, Czech Republic, and their connection to Carboniferous high temperature processes. Contributions to Mineralogy and Petrology, 138 (2) 127-142 doi:10.1007/s004100050013 | Journal (article/letter/editorial) | | (now mesoperthite)-rich rocks containing minor garnet, kyanite and rutile, and most show a characteristic...(+plagioclase) formed from garnet and clinopyroxene. A further high temperature overprint at lower pressure (ca. 4...prevalent. These conditions can be those of a stable lower crustal geotherm or, alternatively, those attained...information pertaining to conditions and processes in the lower continental crust. The most voluminous of the scattered...bodies, like their counterparts in neighbouring Lower Austria, comprise part of the GfoÈhl Unit, the tectonically |  | | Journal (article/letter/editorial) | | 127: 57–74 Esther Schmädicke · Bernard W. Evans Garnet-bearing ultramafic rocks from the Erzgebirge, and...August 1995 / Accepted: 18 September 1996 Abstract Garnet-bearing ultramafic rocks (GBU) enclosed in high-grade...been put forward to explain the stabilisation of garnet in mantle-derived ultramafic rocks from the Bohemian...came in contact with their crustal host rocks. (2) Garnet was formed in the ultramafics at the expense of...obtained for the Erzgebirge GBU suggests that the garnet-bearing assemblages formed by HP-metamorphism of |  | | Journal (article/letter/editorial) | | isothermal decompression path obtained from a garnet-pyroxenite in the Horní Bory granulite of the Bohemian...140 km) at ~ 950 °C is identified from a garnet pyroxenite, containing primary supersilicic clinopyroxene...enclosed in the Gföhl granulite at the Horní Bory quarry of the Bohemian Massif, Czech Republic. Petrological...Petrological data indicate that the garnet pyroxenite was isothermally (~ 900 °C) exhumed from the upper mantle...mantle (~ 140 km) to the lower crust (~ 50 km), and the supersilicic clinopyroxene was decomposed to sodic |  | | Journal (article/letter/editorial) | | where both 'crustal' eclogites and mantle-derived garnet-bearing ultramafic rocks (GBUs) occur in the same...temperatures in excess of W " C , clinopyroxene, garnet and whole rock d o not define a three-point isochron...source, whereas the isotopically enriched garnet-pyroxenite ( E ~ , ,- 2.9) might represent subcontinental...of a distinct tectonic unit. Garnet-pyroxenites intercalated with garnet-peridotites, generally forming...forming lenses in high-grade gneiss terranes, record the emplacement of mantle material into the continental |  | | Journal (article/letter/editorial) | | crystallization vs. recrystallization origin of garnet pyroxenite-eclogite within subduction related lithologies...Accepted: 16 February 2018 © Springer-Verlag GmbH Austria, part of Springer Nature 2018 Abstract Mafic layers...from felsic granulite in the Bohemian Massif (Lower Austria) have been investigated. The mafic–ultramafic...selected mafic layer for this study is represented by garnet with omphacite in the core of coarse-grained clinopyroxene...clinopyroxene in the matrix is diopside. In addition, garnet contains inclusions of omphacite, alkali feldspars |  | Medaris, G. L. J. r., Jelínek, E., Beard, B. L., Valley, J. W., Spicuzza, M. J., Strnad, L. (2013) Garnet pyroxenite in the Biskupice peridotite, Bohemian Massif: anatomy of a Variscan high-pressure cumulate. Journal of GEOsciences, 58 (1) 3-19 | Journal (article/letter/editorial) | | DOI: 10.3190/jgeosci.131 Original paper Garnet pyroxenite in the Biskupice peridotite, Bohemian Massif:...layered garnet pyroxenite, consisting of cm-scale layers of garnetite, garnet orthopyroxenite, garnet clinopyroxenite...occurs in the Biskupice garnet peridotite, which is located in migmatitic gneiss of the Gföhl Assemblage...Assemblage in the Vysočina District, western Moravia. Major- and trace-element compositions and REE patterns...patterns of minerals and layers in the pyroxenite are consistent with origin of the layers by HT–HP crystallization |  | Medaris, L. Gordon, Beard, Brian L., Jelínek, Emil (2006) Mantle-Derived, UHP Garnet Pyroxenite and Eclogite in the Moldanubian Gföhl Nappe, Bohemian Massif: A Geochemical Review, New P-T Determinations, and Tectonic Interpretation. International Geology Review, 48 (9) 765-777 doi:10.2747/0020-6814.48.9.765 | Journal (article/letter/editorial) | | tandfonline.com/loi/tigr20 Mantle-Derived, UHP Garnet Pyroxenite and Eclogite in the Moldanubian Gföhl Nappe...& Emil Jelínek (2006) Mantle-Derived, UHP Garnet Pyroxenite and Eclogite in the Moldanubian Gföhl Nappe...All rights reserved. Mantle-Derived, UHP Garnet Pyroxenite and Eclogite in the Moldanubian Gföhl Nappe...and UHP mantle garnet peridotite (875–1150ºC, 33–60 kbar). Ultrahigh-pressure (UHP) garnet peridotite is...lenses of garnet pyroxenite and eclogite, which formed by high-pressure crystal accumulation of garnet and |  | Medaris, L. G., Beard, B. L., Johnson, C. M., Valley, J. W., Spicuzza, M. J., Jelínek, E., Mísâr, Z. (1995) Garnet pyroxenite and eclogite in the Bohemian Massif: geochemical evidence for Variscan recycling of subducted lithosphere. Geologische Rundschau, 84 (3) 489-505 doi:10.1007/bf00284516 | Journal (article/letter/editorial) | | M. J. Spicuzza • E. Jelfnek • Z. Mfsftr Garnet pyroxenite and eclogite in the Bohemian Massif: geochemical... high-pressure eclogite and garnet pyroxenite occur as lenses in garnet peridotite bodies of the Gf0hl...processes. Eclogite is distinguished from garnet pyroxenite on the basis of elemental composition, with...importance of crystal accumulation in eclogite and garnet pyroxenite petrogenesis. A wide range in isotopic composition...eclogite and garnet pyroxenite crystallized. Variscan Sm-Nd ages were obtained for garnet-clinopyroxene |  | Ackerman, Lukáš, Jelínek, Emil, Medaris, Gordon, Ježek, Josef, Siebel, Wolfgang, Strnad, Ladislav (2009) Geochemistry of Fe-rich peridotites and associated pyroxenites from Horní Bory, Bohemian Massif: Insights into subduction-related melt–rock reactions. Chemical Geology, 259 (3) 152-167 doi:10.1016/j.chemgeo.2008.10.042 | Journal (article/letter/editorial) | | contains numerous disrupted bodies of spinel and garnet peridotites (Machart, 1984). Based on their mineralogies...and an Fe-rich type associated with abundant pyroxenite (Medaris et al., 1990, 2005). The Bory granulite...conspicuous peridotite, pyroxenite, and eclogite boudins, which are well exposed in a quarry near the town of...1984). Although some peridotite boudins in the quarry are of the Mg–Cr type, most of the peridotite boudins...[100 ⁎ Mg / (Mg+ Fe)], are interlayered with pyroxenite, and belong to the Fe-rich type of peridotite |  | | Journal (article/letter/editorial) | | P--T metamorphic transitions within the Kvamsray pyroxenite complex, west Norway: a case study of disequilibrium...I , N-Oslo 5 . Norrvoy Abstract. The Kvamssy pyroxenite complex consists of olivine websterite, olivine...for the product garnet. Restricted diffusion favours transient reaction stages with garnet f.spinel 2 corundum...plagioclase in olivine gabbro and olivine websterite and garnet 5 spinel & kyanite 2 quartz + sodic plagioclase...Complete H P T reaction has produced garnet pyroxenite which consists of garnet + diopside + hornblende + zoisite |  | | Journal (article/letter/editorial) | | x The P–T evolution of ultra high temperature garnet-bearing ultramafic rocks from the Saxonian Granulitgebirge...ABSTRACT Garnet-bearing ultramafic rocks (GBUR) enclosed in granulite or high-grade gneiss are rare,...mantle-derived rocks, including GBUR (garnet peridotite and garnet pyroxenite). GBUR occur in several metamorphic...860 C and 12–13 kbar. Occasional layers of garnet pyroxenite within GBUR lenses are interpreted as high...concerned. Key words: Bohemian Massif; garnet peridotite; garnet pyroxenite; Saxonian Granulitgebirge; ultra |  | | Journal (article/letter/editorial) | | Re^Os systematics of peridotites were studied in garnet- and spinel-bearing high-temperature peridotite...peridotite bodies in the southern Bohemian massif (lower Austria). The mantle rocks occur in the high-grade core...trace element and isotopic composition of garnet pyroxenite layers in the peridotites indicate that the...Devonian^early Carboniferous subduction zone. The garnet pyroxenites are cumulates and their Eu anomalies...the effects of melt percolation. Layered dunite^pyroxenite rocks resemble replacive dunites in ophiolites |  | | Journal (article/letter/editorial) | | information: http://www.tandfonline.com/loi/tigr20 Garnet Peridotites in Eurasian HighPressure and Ultrahigh-Pressure...2010. To cite this article: L. G. Medaris (1999) Garnet Peridotites in Eurasian High-Pressure and UltrahighPressure...V. H. Winston & Son. Inc. All rights reserved. Garnet Peridotites in Eurasian High-Pressure and UltrahighPressure...New Mexico] at 16:50 27 November 2014 Abstract Garnet peridotites and pyroxenites have been reported...pre-HP/UHP stage, such as spinel inclusions in garnet or the presence of Ti-clinohumite. Equilibration |  | | Journal (article/letter/editorial) | | (mostly Gf6hl gneiss) (b) Metasediments (mainly paragne isses) N A o'-----10 50~km Austria ' Fig. 1...Bohemi an Massif, shared by the Czech Republic and Austria, the Moldanubian Unit consists of several crustal...granulites The lower parts of this unit include mainly anatectic orthogneisses (Gfohl gneiss). Th e higher...granulites (Fig. Ib), associated with minor bodies of garnet and spinel peridotites, pyroxenit es, dunite s...characterized by a high-pressure assemblage of garnet, kyan ite, quart z and hypersolvus feldspar (now |  | Borghini, Alessia, Ferrero, Silvio, O’Brien, Patrick J., Laurent, Oscar, Günter, Christina, Ziemann, Martin A. (2020) Cryptic metasomatic agent measured in situ in Variscan mantle rocks: Melt inclusions in garnet of eclogite, Granulitgebirge, Germany. Journal of Metamorphic Geology, 38 (3) 207-234 doi:10.1111/jmg.12519 | Journal (article/letter/editorial) | | Accepted Article mantle rocks: melt inclusions in garnet of eclogite, Granulitgebirge, Germany. Running...Running title: Metasomatic melt in eclogite garnet Alessia Borghini1*, Silvio Ferrero1,2, Patrick J. O’Brien1... Accepted Article Abstract Garnet of eclogite (formerly termed garnet clinopyroxenite) hosted in lenses...lenses of orogenic garnet peridotite from the Granulitgebirge, NW Bohemian Massif, contains unique inclusions...features confirm metasomatism. In comparison to other garnet + clinopyroxene-bearing lenses in peridotites of |  | | Journal (article/letter/editorial) | | contains blueschist facies Fig. 2. BSE image (a) of garnet with inclusions of taramite (tar) in the core and...and omphacite near to the rim (sample 8B-4). Garnet has numerous inclusions of rutile (ru). (b) shows...and of spinel (sp) + plagioclase after kyanite. Garnet has corona of amphibole and plagioclase. S.W...179 (2013) 353–363 355 Fig. 3. Composition of garnet (a), pyroxene (b) and amphibole (c) from the studied...microprobe analyses of garnet clinopyroxene and amphiboles from eclogites. Mineral Garnet Sample 8B-4 Position |  | | Journal (article/letter/editorial) | | and Cr-rich ultramafic rocks at Sandvik, Western Gneiss Region (WGR), Norway, originated from depleted...outcrop consists of garnet peridotite and garnet-olivine pyroxenite and thin garnet pyroxenite layers. These...indicates a period of melt extraction at ca. 3.3 Ga for garnet peridotite, reflecting extremely high Lu/Hf ratios... Lu–Hf garnet-cpxwhole rock ages of two olivine-bearing samples (garnet peridotite and garnet-olivine...garnet-olivine pyroxenite) from the outcrop are ca. 1,255 Ma, whereas two olivine-free garnet pyroxenites yield Lu–Hf |  | | Journal (article/letter/editorial) | | represent at least two different nappe units. The lower-grade eclogite assemblages in the western Erzgebirge...were independently recorded for the ultramafic garnet pyroxenites associated with the eclogites of the...Western Alps (Chopin 1984, 1987), in the western gneiss region of Norway (Smith 1984, 1988), and in the...Niederschlager Formation Upper Pressnitz Formation E ~ Lower Pressnitz Formation Osterzgebirge Formation Geological...lithologies, mainly belonging to the Lower and Upper Pressnitz Formation. The Lower Pressnitz Formation was affected |  | | Journal (article/letter/editorial) | | and Paleoproterozoic rocks, most notably TTG CE gneiss, a variety of supracrustal rocks and basic dykes...investigating the metamorphic evolution of garnet pyroxenite, retrogressed eclogite and amphibolite-facies...Nagssugtoqidian Orogen. The garnet-pyroxenite has a dominant mineral assemblage of garnet, orthopyroxene, clinopyroxene...hornblende, while garnet-amphibolite and garnet-kyanite schist are made up of garnet, hornblende, plagioclase...plagioclase and quartz, and garnet, kyanite, biotite and quartz, respectively. Relicts of, and pseudomorphs |  | | Journal (article/letter/editorial) | | also bodies of high pressure rocks (eclogites, garnet peridotites and high pressure granulites) which...1) comprising parts of Czechoslovakia, Poland, Austria and Germany. The block is truncated to the north-east...similar high grade nappes within the Moldanubian of Austria and Czecho- slovakia. On this basis, and following...granodioritic (Finger et al., 1989) Thaya (in Austria) or Brno (in Czechoslovakia) batholith yielding...now exposed, beneath the MZ, in the Thaya (in Austria) and Svratka (in Czechoslovakia) windows (Schulmann |  | | Journal (article/letter/editorial) | | 347-352. NORTH-HOLLAND PUBLISHING COMPANY GARNET PYROXENITE LENS WITHIN UGELVIK L A Y E R E D G A R N...September 1973 A unique garnet pyroxenite lens is described from within the layered garnet peridotite mass at...enstatite subsequently exsolved chrome diopside and garnet still at upper mantle temperatures and pressures...coarse garnet pyroxenite lens exposed within the layered garnet peridotites in a new small quarry blasted...peridotite predominates and contains on the average 10% garnet, 3% chrome diopside, 7% enstatite ( 7 - 8 % Fs) |  | | Journal (article/letter/editorial) | | schists, surrounded by a phyllitic mantle. The Gneiss-Eclogite Unit (GEU), in the central part, is a...orthogneisses, HT mylonites, HP granulites, eclogites and garnet peridotites. It is tectonically sandwiched between...between two major units with distinctly lower PT histories. The GEU experienced a characteristic ``kinked''...containing numerous intercalations of eclogites and rare garnet peridotite bodies. These are oriented parallel...rocks with Cambrian to Lower Devonian fossils (Freyer et al. 1994). In the lower part of these phyllites |  | Ackerman, Lukáš, Bizimis, Michael, Haluzová, Eva, Sláma, Jiří, Svojtka, Martin, Hirajima, Takao, Erban, Vojtěch (2016) Re–Os and Lu–Hf isotopic constraints on the formation and age of mantle pyroxenites from the Bohemian Massif. Lithos, 256. 197-210 doi:10.1016/j.lithos.2016.03.023 | Journal (article/letter/editorial) | | Japan CE P TE f D Norway Keywords: mantle, pyroxenite, Re-Os, Lu-Hf, Bohemian Massif AC * Corresponding...and garnet pyroxenites from the Gföhl Unit of the Bohemian Massif (Czech Republic, IP Austria). Lu–Hf...sediments in the source of the pyroxenite parental melts. A pyroxenite CE P from Horní Kounice has decoupled...radiogenic Os isotope compositions observed in most pyroxenite samples is best explained by mixing between unradiogenic... ACCEPTED MANUSCRIPT 1. Introduction Spinel and/or garnet pyroxenites are important mantle lithologies as |  | | Journal (article/letter/editorial) | | Garnet pyroxenite from the Shackleton Range, Antarctica: Intrusion of plume-derived picritic... Esther, Will, Thomas M., Mezger, Klaus, Garnet pyroxenite from the Shackleton Range, Antarctica: Intrusion...the journal pertain. ACCEPTED MANUSCRIPT Garnet pyroxenite from the Shackleton Range, Antarctica: Intrusion... TE D Switzerland CE P Short title: Garnet pyroxenite Antarctica Corresponding author: Esther Schmädicke...ultramafic rocks occur in supracrustal high-grade gneiss in the northern Haskard Highlands, Shackleton Range |
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Gneiss quarry, Ebersdorf, Klein-Pöchlarn, Melk District, Lower Austria, Austria