 | | Journal (article/letter/editorial) | | Rocks on Fjørtoft and Otrøy, Western Gneiss Region, Norway a b D. A. Carswell , H. L.M. van Roermund & D...Rocks on Fjørtoft and Otrøy, Western Gneiss Region, Norway, International Geology Review, 48:11, 957-977,...Rocks on Fjørtoft and Otrøy, Western Gneiss Region, Norway D. A. CARSWELL, Department of Geography, University...Fjørtoft and Otrøy in the Western Gneiss Region of Norway. These data are utilized to obtain P-T estimates...metamorphic assemblage garnet + omphacite + kyanite + plagioclase + quartz developed in a mylonitic shear zone |  | | Journal (article/letter/editorial) | | high-pressure shear zones, Western Gneiss Region, Norway M. P. TERRY AND F. HEIDELBACH Bayerisches Geoinstitut...strain in high-pressure (HP) shear zones from the Haram garnet corona gabbro give insights into the deformation...and products associated with eclogitization. Plagioclase with a shape-preferred orientation that occurs...narrow regions at the interface of garnet and plagioclase and preservation of earlier syn-kinematic microstructures...deformation conditions for the shear zones in the Haram gabbro that were produced during subduction of the |  | | Journal (article/letter/editorial) | | peridotite–websterite body, Western Gneiss Region, Norway J. C. Vrijmoed1; , H. L. M. Van Roermund2 , and...Geological Processes, University of Oslo, Oslo, Norway Received September 22, 2005; accepted March 28...metamorphic domain within the Western Gneiss Region of Norway can be extended 25 km northeastwards. A newly discovered...Svartberget, located in the Ulla Gneiss of the ‘Møre og Romsdal’ area north of Molde, is cut by a network of...The Western Gneiss Region (WGR) (Fig. 1) of SW-Norway consists of Proterozoic basement gneisses, remobilised |  | 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...by E. A. Eide County: NGU Commune: Møre og Romsdal; Sogn og Fjordane Map-sheet name (M=1:250.000)...excursions conducted during the Alice Wain Memorial West Norway Eclogite Field Symposium held in Selje from June...peridotites that outcrop in the coastal region of west Norway between Bergen and Trondheim. These occurrences...MEMORIAL WEST NORWAY ECLOGITE FIELD SYMPOSIUM JUNE 21st – 28th, 2003 in SELJE, WEST NORWAY GUIDEBOOK TO |  | Brueckner, H.K., Carswell, D.A., Griffin, W.L., Medaris, L.G., Van Roermund, H.L.M., Cuthbert, S.J. (2010) The mantle and crustal evolution of two garnet peridotite suites from the Western Gneiss Region, Norwegian Caledonides: An isotopic investigation. Lithos, 117 (1) 1-19 doi:10.1016/j.lithos.2010.01.011 | Journal (article/letter/editorial) | | the Western Gneiss Region (WGR) of southwestern Norway (Fig. 1). Many of them have lost their pre-orogenic...rocks transferred across this boundary could be plagioclase, spinel or garnet peridotites, depending on the...clinopyroxene and garnet within M2 garnets of the small NW Bardane peridotite body on the island of Fjørtoft (Scambelluri...DAC HKB HKB HKB HKB Bardane, Fjortoft Bardane, Fjortoft Bardane, Fjortoft Bardane, Fjortoft Nogvadalen...define scatterchrons with Archean apparent ages (NW Bardane peridotite, Brueckner et al., 2002; CW Almklovdalen |  | | Journal (article/letter/editorial) | | dissolution, in kyanite gneisses on Fjörtoft Island, Norway (Dobrzhinetskaya et al. 1995). Some researchers...microdiamonds at three other Norwegian localities [Bardane, Straumen, and Svartberget described respectively...muscovite, Phe = phengite, Phl = phlogopite, Pl = plagioclase, Qtz = quartz, Tur = tourmaline, n = number of...They are composed of quartz, phengite, garnet, plagioclase, kyanite, orthoclase, biotite, rutile, zircon...case with the microdiamond found in the Bardane peridotite, Norway (Van Roermund et al. 2002) as well as |  | Janák, M., Krogh Ravna, E. J., Kullerud, K., Yoshida, K., Milovský, R., Hirajima, T. (2013) Discovery of diamond in the Tromsø Nappe, Scandinavian Caledonides (N. Norway) Journal of Metamorphic Geology, 31 (6) 691-703 doi:10.1111/jmg.12040 | Journal (article/letter/editorial) | | the Tromsø Nappe, Scandinavian Caledonides (N. Norway) ,1 E. J. KROGH RAVNA,2 K. KULLERUD,2 K. YOSHIDA...Geology, University of Tromsø, Tromsø, N-9037, Norway 3 Department of Geology and Mineralogy, Graduate...essentially of garnet, biotite, white mica, quartz and plagioclase, minor constituents include kyanite, zoisite...worldwide, i.e. the Western Gneiss region (WGR) in Norway (Dobrzhinetskaya et al., 1995); China (Xu et al...of the Scandinavian Caledonides in southwestern Norway, provided unequivocal evidence for © 2013 John |  | | Journal (article/letter/editorial) | | in garnet from the Almklovdalen peridotite, SW Norway Dirk Spengler, Herman L.M. van Roermund, Franziska...in garnet from the Almklovdalen peridotite, SW Norway, LITHOS, https:// doi.org/10.1016/j.lithos.2019...garnet from the Almklovdalen peri- 3 dotite, SW Norway 4 Dirk Spengler, Herman L. M. van Roermund, Franziska...in garnet from the Almklovdalen peridotite, SW Norway 13 Dirk Spenglera,∗, Herman L. M. van Roermundb...western part of the Western Gneiss Region (WGR), SW Norway. The garnetite 24 sample is a non-deformed clot |  | JANAK, M., FROITZHEIM, N., VRABEC, M., KROGH RAVNA, E. J., HOOG, J. C. M. (2006) Ultrahigh-pressure metamorphism and exhumation of garnet peridotite in Pohorje, Eastern Alps. Journal of Metamorphic Geology, 24 (1) 19-31 doi:10.1111/j.1525-1314.2005.00619.x | Journal (article/letter/editorial) | | of Geology, University of Tromsø, N-9037 Tromsø, Norway 5 Institute of Earth Sciences, Göteborg University...metasomatized by melts and/or fluids either in the plagioclase-peridotite or the spinel-peridotite field. At...Liou, 2003) and garnet websterite from Bardane, western Norway (Carswell & Van Roermund, 2005). The peak...elements usually indicative of the presence of plagioclase (Sr, Eu, also CaO and Al2O3). An origin as cumulates...as subducted crustal rocks that show signs of plagioclase accumulation have similar REE patterns as Pohorje |  | | Journal (article/letter/editorial) | | were described by Eskola (1921) from southwestern Norway, now called the Western Gneiss Region (WGR, e.g...and Van Roermund, 2012), indicating gabbro or plagioclase-bearing cumulate as a protolith. Thin (centimetre-scale)...because of its small size. The high-pressure, plagioclase-free mineral assemblage consists mainly of garnet...of intergrowths of diopsidic clinopyroxene + plagioclase that commonly has a lobate vermicular form,...observed is symplectite composed of biotite + plagioclase after phengite. Porphyroblasts of kyanite are |  | Ganzhorn, A. C., Labrousse, L., Prouteau, G., Leroy, C., Vrijmoed, J. C., Andersen, T. B., Arbaret, L. (2014) Structural, petrological and chemical analysis of syn-kinematic migmatites: insights from the Western Gneiss Region, Norway. Journal of Metamorphic Geology, 32 (6) 647-673 doi:10.1111/jmg.12084 | Journal (article/letter/editorial) | | migmatites: insights from the Western Gneiss Region, Norway. A.C. GANZHORN,1,2,3,4,5 L. LABROUSSE,1,2 G. PROUTEAU...of Oslo, P.O. Box 1048 Blindern, N-0316, Oslo, Norway. Running title: Chemical, petrological and structural...(WGR) in the core of the Caledonian orogen, Western Norway and the dynamic significance of melting for the...Multiphase inclusions in garnet that comprise plagioclase, potassic feldspar and biotite are interpreted...Jotunheimen Detachment Zone to the East and the Møre-Trøndelag Shear Zone (MTSZ) to the North (Fig. 1) |  | Lo Pò, Deborah, Braga, Roberto, Tropper, Peter, Konzett, Jürgen, Mair, Volkmar, Bargossi, Giuseppe Maria (2020) Polymineralic inclusions as tracers of multistage metasomatism in a paleo mantle wedge. Lithos, 364. 105517pp. doi:10.1016/j.lithos.2020.105517 | Journal (article/letter/editorial) | | mantle-derived peridotite lens at Bardane on Fjørtoft, west Norway. European Journal of Mineralogy 17...The ultrahigh-pressure Western Gneiss Region of Norway. Tectonophysics rn 480, 149-171. Jo u Holland...and ultrahigh-pressure Pr rocks from Bardane (Western Norway) and Ulten (Italian Alps). Lithos 120,...garnet websterite pod from Bardane on the island of Fjørtoft, western Norway: Evidence for diamond formation...garnet peridotite, Western Gneiss Region, Western Norway. Terra Nova 20, 295–301. 30 Journal Pre-proof |  | | Journal (article/letter/editorial) | | from Su-Lu in China (Zhang et al., 2007), Bardane in Norway (van Roermund et al., 2002; Scambelluri et...are phlogopite in ultra-HP terranes (e.g. Su-Lu, Bardane), and phlogopite þ amphibole in HP terranes (e...whereas dolomite alone occurs at HP conditions. At Bardane, the dolomite exhibits a corona of magnesite and...GPa [see reaction (3)]. Multiphase inclusions in Bardane websterites, composed of garnet þ orthopyroxene...amphibole, and pure carbon. In other localities, Bardane websterites contain dolomite showing a prograde |  | | Journal (article/letter/editorial) | | assemblage is garnet + sillimanite + K-feldspar + plagioclase + quartz + cordierite + biotite ± spinel. The...clinopyroxene from mantle-derived websterite in Fjørtoft, Norway (Carswell and van Roermund 2005). The inclusions...contain mostly quartz, biotite, muscovite, and plagioclase, together with accessory minerals 2254 AXLER...contain: garnet + sillimanite + K-feldspar + plagioclase + quartz + cordierite + biotite. Rutile, ilmenite...multiphase inclusions [27-7]. (d) Photomicrograph of plagioclase antiperthite in cross-polarized light [173A] |  | Gordon, Stacia M., Whitney, Donna L., Teyssier, Christian, Fossen, Haakon (2013) U–Pb dates and trace-element geochemistry of zircon from migmatite, Western Gneiss Region, Norway: Significance for history of partial melting in continental subduction. Lithos, 170. 35-53 doi:10.1016/j.lithos.2013.02.003 | Journal (article/letter/editorial) | | of zircon from migmatite, Western Gneiss Region, Norway: Significance for history of partial melting in...of Earth Science, University of Bergen, Bergen, Norway a r t i c l e i n f o Article history: Received...b s t r a c t The Western Gneiss Region (WGR), Norway, is dominated by migmatitic gneiss that contains...analyses suggest that these zircons grew under plagioclase-present (garnet-absent) conditions. Combined...(garnet-present, plagioclase-absent) crystallization to lower-pressure (plagioclase-present) crystallization |  | | Report (chapter) | | Post-peak P –T evolution is inferred from diopside–plagioclase symplectites and amphibole coronas around garnet...of the Scandinavian Caledonides in southwestern Norway (e.g. Eskola 1921; Cuthbert et al. 2000). The UHP...(Austrheim 1987) in southwestern Norway and the Tromsø Nappe in northern Norway (e.g. Ravna & Roux 2006; Janák...are known from the Lofoten Islands in northern Norway (e.g. Markl & Bucher 1997; Steltenpohl et al. 2011)...assemblage is represented mainly by diopside + plagioclase symplectites after omphacite, and also by amphibole |  | | Journal (article/letter/editorial) | | that they consist of quartz, K-feldspar and plagioclase with minor amounts of barite and represent products...heterogeneous nature even of single phases (e.g. plagioclase) in the MS inclusions, though the evaporation...intermediate types consisting of K-feldspar + quartz plagioclase barite (Gao et al., 2012). Here, we only present...which are commonly ascribed to the breakdown of plagioclase during partial melting in the stability field...leucocratic minerals such as quartz, K-feldspar, plagioclase and barite (Gao et al., 2012). Epidote is typically |  | BUTLER, J. P., JAMIESON, R. A., STEENKAMP, H. M., ROBINSON, P. (2013) Discovery of coesite-eclogite from the Nordøyane UHP domain, Western Gneiss Region, Norway: field relations, metamorphic history, and tectonic significance. Journal of Metamorphic Geology, 31 (2) 147-163 doi:10.1111/jmg.12004 | Journal (article/letter/editorial) | | the Nordøyane UHP domain, Western Gneiss Region, Norway: field relations, metamorphic history, and tectonic...Norges Geologiske Undersøkelse, N-7491, Trondheim, Norway ABSTRACT Ultrahigh-pressure (UHP) rocks from...from the Western Gneiss Region (WGR) of Norway record subduction of Baltican continental crust during the...08Al 0.03)2 IV (Al 0.07–0.08Si1.92–1.93)2O6, plagioclase, biotite, pargasite, orthopyroxene and ilmenite...INTRODUCTION The Western Gneiss Region (WGR) of Norway exposes reworked Proterozoic Baltica basement gneisses |  | | Journal (article/letter/editorial) | | apatite F amphibole F Zn-staurolite F magnetite F plagioclase F zircon Fpyrite F balunite-typeQ sulphate F...Corundum Diaspore Fe-pargasite Paragonite Plagioclase SiO2 TiO2 Al2O3 Fe2O3 FeO MnO MgO CaO Na2O K2O...minerals. Magnetite may also be present, whereas plagioclase (X An = 0.32; Table 2), zircon, pyrite, balunite-typeQ...cavities, and one or more of these crystals: plagioclase, zircon, pyrite, balunite-typeQ sulphate, and...In eclogites, amphibole, Zn-staurolite, and plagioclase are considered stepdaughter minerals. On these |  | | Journal (article/letter/editorial) | | sp3-carbon in the coesite-bearing Straumen Eclogite Pod, Norway D. C. SMITH1,2 AND G. GODARD3,4 1 Lab. Minéralogie...Eclogite Pod in the Western Gneiss Region (WGR), S.W. Norway. Graphitic carbon is always present with a degree...types in the WGR. Key words: diamond; eclogite; Norway; Raman; UHPM. INTRODUCTION The diamond story...story in the Western Gneiss Region (WGR), Norway, began by the confirmation by Raman spectroscopy of microdiamond...in polyphase microinclusions in peridotite at Bardane (van Roermund et al., 2002) and at Svartberget |  | Atrassi, Fatima E.L., Brunet, Fabrice, Bouybaouene, Mohamed, Chopin, Christian, Chazot, Gilles (2011) Melting textures and microdiamonds preserved in graphite pseudomorphs from the Beni Bousera peridotite massif, Morocco. European Journal of Mineralogy, 23 (2) 157-168 doi:10.1127/0935-1221/2011/0023-2094 | Journal (article/letter/editorial) | | bodies of the Caledonian Western Gneiss Region of Norway and the associated radiometric ages are a good...grains which are, themselves, surrounded by plagioclase/orthopyroxene/spinel intergrowths (Fig. 5). 5...clinopyroxene grain (white stripes) as well as a thin plagioclase-rich symplectite rim. (c) Enlargement of the...Opx, orthopyroxene; Cpx, clinopyroxene; Pl, plagioclase; Film, thin silicate film). The exact location...whereas the Ca map (e) outlines both Cpx and plagioclase, as does the Na X-ray map (f). evidence for |  | | Journal (article/letter/editorial) | | anhedral, equigranular quartz, antiperthitic plagioclase and Kfeldspar with minor small garnet and kyanite...et al., 2001) and the Western Gneiss region of Norway (Labrousse et al., 2002). Investigators working...long been known from the Western Gneiss region of Norway (e.g. Smith, 1984; Wain, 1997), but has only recently...contain variable amounts of quartz, K-feldspar, plagioclase, garnet, clinopyroxene, amphibole, biotite, rutile...light layers contain patches of dusty-appearing plagioclase, K-feldspar and quartz with minor white mica |  | Wang, S.-J., Wang, L., Brown, M., Piccoli, P. M., Johnson, T. E., Feng, P., Deng, H., Kitajima, K., Huang, Y. (2017) Fluid generation and evolution during exhumation of deeply subducted UHP continental crust: Petrogenesis of composite granite-quartz veins in the Sulu belt, China. Journal of Metamorphic Geology, 35 (6) 601-629 doi:10.1111/jmg.12248 | Journal (article/letter/editorial) | | both the granite and the gneiss by K-feldspar+plagioclase+biotite aggregates located around phengite and...Similarly, the H2O concentrations in quartz, plagioclase and K-feldspar from UHP gneiss in the southern...allanite/epidote (3–10 vol.%) + rare garnet, with plagioclase (5–13 vol.%) + K-feldspar (6–11 vol.%), minor...aggregates of variable thickness composed of biotite+plagioclase+K-feldspar from which thin films, cuspate veinlets...extend along grain boundaries (Figure 4e–i). Plagioclase occurs primarily in symplectites after phengite |  | | Journal (article/letter/editorial) | | localities including the Western Gneiss region in Norway (Dobrzhinetskaya et al., 1995; van Roermund et...exsolved feldspar (antiperthite and mesoperthite); plagioclase; phlogopite; garnet; kyanite; sillimanite; graphite;...ellipse encloses a diamond-rich zone. (c) Thick plagioclase-spinel symplectitic corona formed between kyanite...phlogopite and kyanite and quartz. (d) Spinel and plagioclase corona formed between kyanite and mesoperthite...of either single phases (quartz, K-feldspar, plagioclase and minor 687 phlogopite) (Fig. 3a,b) or a variety |  | Chen, Yi, Ye, Kai, Guo, Shun, Wu, Teng-Fei, Liu, Jing-Bo (2013) Multistage metamorphism of garnet orthopyroxenites from the Maowu mafic–ultramafic complex, Dabieshan UHP terrane, eastern China. International Geology Review, 55 (10) 1239-1260 doi:10.1080/00206814.2013.772694 | Journal (article/letter/editorial) | | sapphirine, spinel, chlorite, talc, antigorite, plagioclase, quartz, and H2 O. Ticlinohumite, Ti-chondrodite...et al. 2009), and the Bardane websterite in the Western Gneiss Region, Norway (Spengler et al. 2006;...ta, talc; atg, antigorite; ap, apatite; pl, plagioclase; q, quartz; ru, rutile; ilm, ilmenite. References...high and ultrahigh-pressure rocks from Bardane (Western Norway) and Ulten (Italian Alps): Lithos, v. 120...melting of an Archean orogenic peridotite massif in Norway: Nature, v. 440, p. 913–917. Taylor-Jones, K., |
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