 | 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) | | Geological Survey of Norway N-7441 Trondheim, Norway Tel.: 47 73 90 40 00 Telefax 47 73 92 16 20 REPORT...conducted during the Alice Wain Memorial West Norway Eclogite Field Symposium held in Selje from June 21st-28th...peridotites that outcrop in the coastal region of west Norway between Bergen and Trondheim. These occurrences...high- and ultrahigh-pressure rocks. Keywords: Eclogite Gabbro Ultrahigh-pressure Peridotite Western...MEMORIAL WEST NORWAY ECLOGITE FIELD SYMPOSIUM JUNE 21st – 28th, 2003 in SELJE, WEST NORWAY GUIDEBOOK TO |  | | Journal (article/letter/editorial) | | spot muscovite and/or phengite data from mafic eclogite bodies and their host gneisses in the Nordfjord...Nordfjord region of the Western Gneiss Complex (WGC), Norway, show that the ages yielded both within and between...between white micas from the same mafic eclogite sample vary by up to 284 Ma. Ages yielded within the same...40Ar/ 39Ar data from muscovite and phengite in eclogite bodies and their host gneisses exposed in the...Nordfjord region of the Western Gneiss Complex (WGC) in Norway. The WGC is one of the world's largest and best |  | 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) | | pressure rocks in the Western Gneiss Region of Norway D. A. CARSWELL,1 H. K. BRUECKNER,2,3 S. J. CUTHBERT...(UHP) eclogites within the Western Gneiss Region of Norway probably occurred within the 400–410 Ma time frame...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...pressure (UHP); Norway. INTRODUCTION The Western Gneiss Region (WGR) of western Norway comprises a large |  | | Journal (article/letter/editorial) | | Springer-Verlag 1971 Zoning in Eclogite Garnets from Nordfjord, West Norway* I. B ~ I and W. L. G~Irrn~...G~Irrn~ Mineralogisk-GeologiskMuseum, Oslo 5, Norway Received May 27, 1971 Abstract. Some of the garnets in...quartzo-feldspathic gneisses of Nordfjord, West Norway, are zoned with higher calcium, iron and manganese...demonstrated by careful phase analysis of the Sflverbach eclogite that garnet and hornblende had strong optical..."The Norwegian geotraverse project". Zoning in Eclogite Garnets 113 f e l d s p a t h i c a n d basic |  | | Journal (article/letter/editorial) | | to reconstruct theh metamorpaic evolution. Pre-eclogite stages are represented by various amphibolite...parts of prograde zoned garnets. Early- and syn-eclogite stages are represented by various eclog~tic assemblages...prograde zoned garnets and in the matrix. Post-eclogite stages include granuli~.e, amphibolite and grecnschist...kbar over 100--200°C), while the initial post-eclogite evolution involved a nearly adiabatic decompression...of Troms¢, P.O. Box 3085, Guleng, N-9001 Troms¢, Norway; 6th January, "1982. During the study of country-rock |  | Kylander-Clark, Andrew R.C., Hacker, Bradley R., Johnson, Clark M., Beard, Brian L., Mahlen, Nancy J., Lapen, Thomas J. (2007) Coupled Lu–Hf and Sm–Nd geochronology constrains prograde and exhumation histories of high- and ultrahigh-pressure eclogites from western Norway. Chemical Geology, 242 (1) 137-154 doi:10.1016/j.chemgeo.2007.03.006 | Journal (article/letter/editorial) | | high- and ultrahigh-pressure eclogites from western Norway Andrew R.C. Kylander-Clark a,⁎, Bradley R. Hacker...Eclogites from the Western Gneiss Region (WGR), Norway, that formed over a wide range in temperature (∼...than ages that are generally accepted for peak eclogite-facies conditions in the WGR, although they overlap...Ultrahigh-pressure; Eclogite; Geochronology; Norway 1. Introduction The Western Gneiss Region (WGR) of Norway exposes...137–154 Fig. 1. Geologic map of study area in Norway (inset), showing (U)HP regions of the Western Gneiss |  | | Journal (article/letter/editorial) | | Western Gneiss Region, Norway, hinges on precise determination of the time of eclogite recrystallization....rocks. Ion-microprobe analyses from the Flatraket eclogite yielded a broad range of apparently concordant...inherited cores. Zircon crystallization occurred at eclogite-facies, possibly post-peak conditions, based on...than the 425 Ma age often cited for western Norway eclogite recrystallization, implying faster rates of...Elsevier B.V. Keywords: zircon; U/Pb; UHP; REE; eclogite; Norway * Corresponding author. Now at Department |  | | Journal (article/letter/editorial) | | evaluate how suitable rutile thermometry is for eclogite studies. The two major questions to be addressed...Dissentis, Switzerland (Diss) and one from Gjerrestad, Norway (R10). High precision determination of Zr was conducted... WGR, Norway Mt. Mucrone, Sesia, Italy Trescolmen, Adula Nappe, Switzerland Liset, WGR, Norway Lippersdorf...naturally occurring eclogites, except for >1000 C eclogite xenoliths from kimberlites where the assemblage...10d from Elekdag can be classified as lawsonite eclogite, and represents therefore the lowest temperature |  | ROOT, D. B., HACKER, B. R., GANS, P. B., DUCEA, M. N., EIDE, E. A., MOSENFELDER, J. L. (2005) Discrete ultrahigh-pressure domains in the Western Gneiss Region, Norway: implications for formation and exhumation. Journal of Metamorphic Geology, 23 (1) 45-61 doi:10.1111/j.1525-1314.2005.00561.x | Journal (article/letter/editorial) | | ultrahigh-pressure domains in the Western Gneiss Region, Norway: implications for formation and exhumation D. B...3 Geological Survey of Norway, Leiv Erikssons vei 39, 7491 Trondheim, Norway 4 Division of Geological...ABSTRACT New eclogite localities and new 40Ar/39Ar ages within the Western Gneiss Region of Norway define three...that are separated by distinctly lower pressure, eclogite facies rocks. The sizes of the UHP domains range...domains are composed of eclogite-bearing orthogneiss basement overlain by eclogite-bearing allochthons. |  | | Journal (article/letter/editorial) | | BRUECKNER’ 1Mineralogisk-Geologisk Museum, Oslo 5 (Norway) z Department of Earth and Environmental Sciences...all had complex crustal histories prior to the eclogite-forming metamorphism. Mica--cpx or mica-whole...one kyanite eclogite gives an isochron age of 398+ 1 Ma, with Zar = 0.7034. The eclogite-forming event...event in western Norway was apparently part of the Caledonian continent-continent collision, in which the...processes. In the Western Gneiss Region (WGR) of Norway, eclogites occur in two general settings: (1) lenses |  | DesOrmeau, Joel W., Gordon, Stacia M., Kylander-Clark, Andrew R.C., Hacker, Bradley R., Bowring, Samuel A., Schoene, Blair, Samperton, Kyle M. (2015) Insights into (U)HP metamorphism of the Western Gneiss Region, Norway: A high-spatial resolution and high-precision zircon study. Chemical Geology, 414. 138-155 doi:10.1016/j.chemgeo.2015.08.004 | Journal (article/letter/editorial) | | (U)HP metamorphism of the Western Gneiss Region, Norway: A high-spatial resolution and high-precision zircon...(U)HP metamorphism of the Western Gneiss Region, Norway: A high-spatial resolution and high-precision zircon...(U)HP metamorphism of the Western Gneiss Region, Norway: A high-spatial PT resolution and high-precision...spectrometry; AC CE P TE D MA NU SC RI PT Norway; Ultrahigh-pressure metamorphism 2 ACCEPTED...Western Gneiss Region of Norway. Zircons were extracted from a layered eclogite in the SC Saltaneset |  | | Journal (article/letter/editorial) | | to ultrahigh-pressure eclogite transition in the Western Gneiss Region, Norway ALICE WAIN1,*, DAVID WATERS...Nordfjord-Stadlandet area of the Western Gneiss Region of Norway demonstrate in situ metamorphism of both highpressure...occurs in garnet, clinopyroxene and kyanite in eclogite, and quartz pseudomorphs after coesite in garnet...eclogites and gneisses record a prograde evolution to eclogite-facies conditions, and subsequent retrogression...Key-words: eclogite, coesite, ultrahigh-pressure metamorphism, Western Gneiss Region, Norway. Introduction |  | TSUJIMORI, T, SISSON, V, LIOU, J, HARLOW, G, SORENSEN, S (2006) Very-low-temperature record of the subduction process: A review of worldwide lawsonite eclogites. Lithos, 92 (3) 609-624 doi:10.1016/j.lithos.2006.03.054 | Journal (article/letter/editorial) | | within serpentinite-matrix mélange. Peak lawsonite-eclogite facies mineral assemblages (garnet + omphacite...amphibolite-facies conditions erase former lawsonite-eclogite relics. Various pseudomorphs after lawsonite occur...some blueschist/eclogite transitional facies rocks. Coesite-bearing lawsonite-eclogite xenoliths in kimberlitic...exhumation. The earliest occurrences of lawsonite-eclogite facies mineral assemblages are Early Paleozoic...Cold subduction; HP-UHP metamorphism; Lawsonite; Eclogite; P–T trajectory 1. Introduction The discovery |  | | Journal (article/letter/editorial) | | DISTRIBUTION IN BASIC AND ULTRABASIC ROCKS FROM WEST NORWAY L.B. GARMANN, A.O. BRUNFELT, K.G. FINSTAD and...S. HEIER Mineralogical-Geological Museum, Oslo (Norway) (Accepted for publication February 4, 1975) ABSTRACT...from west Norway. Chem. Geol., 15: 103--116. Samples of ten eclogites in gneiss, one eclogite in dunite-peridotite...dunite-peridotites from the Nordfjord-Molde area, west Norway were analysed for La, Ce, Nd, Sm, Eu, Gd, Tb, Yb...analysis ten eclogites from the gneisses, one eclogite from within a dunite body and six dunite- or garnet-peridotites |  | | Journal (article/letter/editorial) | | Springer-Verlag 1972 Minor Element Zonation in an Eclogite Garnet H. J. Bollingberg Mineralogisk Museum,...Abstract. A zoned garnet from eclogite at Almenningen, Nordfjord, Norway, shows a decrease of Ti, V and...same sample of eclogite as was used b y Bryhni and Griffin. The garnet in this eclogite has a brown-red...124000 101000 53 000 175000 42 000 Coarse-grained eclogite, Almenningen. a Only 3 determinations available...zonal distribution of iron in the west Norwegian eclogite-garnets is essentially a variation in the content |  | | Journal (article/letter/editorial) | | Metamorphic evolution of the Eiksunddal eclogite complex. Western Norway, and some tectonic implications Bjorn...0562 Oslo 5, Norway Abstract. The metamorphic evolution of the Western Gneiss Region of Norway (WGR) can...temperature during the eclogite forming event, as inferred from geothermometry on eclogite minerals, increases...very rapid uplift of the eclogites and/or the eclogite bearing terrain subsequent to crustal thicke0ing...distributed within the Western Gneiss Region (WGR) of Norway. Their origin and their implications for the evolution |  | | Journal (article/letter/editorial) | | 高 It has been known 晃(Akira that eclogites eclogite eclogites 須 have a diversity this paper, eclogites...retrograde of the equilibration leading to the eclogite facies mineralogy. recrystallized from hydrous...hydrous phases, and the retrograde eclogite is defined by its formation from higher temperature anhydrous...prograde eclogites: I. Regional distribution of eclogite facies a) Mapping eclogites. b) II. Mapping...the dehydration reaction in the zone of the eclogite of such hydrous minerals as epidote, in the eclogitic |  | | Journal (article/letter/editorial) | | ultrahigh-pressure (UHP) eclogite formation in the Stadlandet UHP province of Norway, (2) date later crustal...crustal melting–migmatization of the eclogite country gneisses, and (3) temporally trace post-migmatite cooling...of minerals defining the HP assemblage. For the eclogite, rutile and omphacite fractions were analyzed...measured for the eclogite, and biotite for two leucosome layers of the migmatite– eclogite complex. A U–Pb...interpreted to date equilibration and freezing of the eclogite paragenesis at maximum temperatures of 770 C |  | | Report (chapter) | | Evolution of the Devonian Hornelen Basin, west Norway: new constraints from petrological studies of metamorphic...Abstract: The Middle Devonian Hornelen Basin of western Norway is a continental faultbasin which formed during...Conglomerate clasts from the, Hornelen Basin of western Norway have been examined in an attempt to reconstruct...sandstones and conglomerates lying along the coast of Norway between Bergen and Trondheim (Fig. 1). They lie...Region has suffered a late Silurian high-pressure (eclogite-facies) metamorphism (Griffin & Brueckner 1980; |  | | Journal (article/letter/editorial) | | Mineralogisk-geologisk museum, Sars gate 1, N-0562 Oslo 5, Norway 2 Instituut voor Aardwetenschappen, Vrije Universiteit...are incompatible with the high pressures of the eclogite-forming metamorphic event, but suggest that they...present data agree with theoretical predictions of eclogite fluids from mineral equilibria, and highlight...(CO2) and eclogite ( H 2 0 + N 2 ) fluid regimes. The provenance of the nitrogen in the eclogite fluid inclusions...although the importance of a free fluid phase in eclogite metamorphism is indicated by several indirect |  | | Journal (article/letter/editorial) | | subduction and exhumation: Western Gneiss Region, Norway EMILY M. PETERMAN1,2,*, BRADLEY R. HACKER1 and...quartzofeldspathic gneisses from the Western Gneiss Region, Norway provide an opportunity to answer this question...the Western Gneiss Region did not transform to eclogite-facies parageneses during subduction; (ii) the...without undergoing wholesale transformation to eclogite-facies minerals. This paper finally discusses...presence of coesite in eclogite demonstrates that some mafic rocks transform to eclogite at UHP conditions |  | | Journal (article/letter/editorial) | | Effects on the Transition between Blueschist and Eclogite by CHANG W. OH1, J. G. LIOU 1 , AND S. MARUYAMA2...compositional effect on reactions between blueschist and eclogite that are insensitive to pressure and shift towards...During the last two decades, eclogites and the eclogite fades have been intensively investigated (e.g...7 5 0 ° C and P = 12-18 kb (Newton, 1986). The eclogite facies is bounded by the blueschist facies on...abbreviations) as the boundary between the blueschist and eclogite facies in the Sesia-Lanzo zone. This reaction |  | | Journal (article/letter/editorial) | | show a clockwise loop from the amphibolite to eclogite to granulite facies, all of which are overprinted...provides an unusually complete P–T history of an eclogite, recording events during and following subduction...in the early Palaeozoic. Key words: Blue Ridge; eclogite; prograde metamorphism; retrograde metamorphism;...high variance assemblages that are typical of the eclogite facies present a significant barrier to precise...eclogites. Other than studies that are focused on eclogite facies coronas on igneous assemblages (e.g. Chinner |  | | Book | | dominated by those of garnets from peridotite and eclogite deep xenoliths as well as from microinclusions...far: fewer data are available on garnets from eclogite rocks, occurring in metamorphic complexes, and...and clinopyroxenes were obtained when studying eclogite xenoliths from the Roberts Victor (using SIMS...REE. Study of garnets and clinopyroxenes from eclogite xenoliths of some deposits in South Africa and...structure. Study of the geochemistry of garnets from eclogite xenoliths occurring in the Mbuji-Mayi province |  | | Book (edition) | | . . . . . . . . . . . . . . . . . . . . . 9.8 Eclogite Facies Metamorphism . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . 9.8.3 Eclogite Facies in Gabbroic Rocks . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . 10.3.4 Eclogite and Blueschist Facies Granitoids . . . . . . ...Aspects of Metamorphism Kyanite-eclogite from Verpeneset, Nordfjord, Norway. Omphacite (green), garnet (red...contact aureole of Permian plutons in the Oslo rift, Norway: (a) Upper Ordovician shale with fossiliferous |
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