 | | Journal (article/letter/editorial) | | University of Oslo, PO Box 1172, Blindern, 0318 Oslo, Norway 2 Natural History Museum, Cromwell Road, London...4 Geological Survey of Norway, PO Box 6315, Sluppen, 7491 Trondheim, Norway protolith. The incorporation...geological settings and genetic histories, from Norway (seven samples) and selected well-known localities...staurolite–garnet–kyanite–mica schists from Selbu, Norway. The long edge of the specimen is 10 cm. b Orange...number 042302 of the Natural History Museum of Oslo, Norway. c Bluish kyanite quartzite from Hålsjöberg, Sweden |  | | Journal (article/letter/editorial) | | metamorphic rocks, Nordøyane, Western Gneiss Region, Norway MICHAEL P. TERRY,1,* PETER ROBINSON,1,2 AND ERLING...01003, U.S.A. 2 Geological Survey of Norway, N-7491 Trondheim, Norway 3 Department of Geology, University...University of Tromsø, N-9037 Tromsø, Norway ABSTRACT Quantitative estimates of metamorphic conditions are combined...structurally higher plate, regionally correlated with the Blåhø Nappe, contains kyanite eclogites associated with...paper. INTRODUCTION The Western Gneiss Region, Norway, lies 100–300 km northwest of the exposed thrust |  | Gordon, Stacia M., Whitney, Donna L., Teyssier, Christian, Fossen, Haakon, Kylander-Clark, Andrew (2016) Geochronology and geochemistry of zircon from the northern Western Gneiss Region: Insights into the Caledonian tectonic history of western Norway. Lithos, 246. 134-148 doi:10.1016/j.lithos.2015.11.036 | Journal (article/letter/editorial) | | into the Caledonian tectonic history of western Norway Stacia M. Gordon a,⁎, Donna L. Whitney b, Christian...Natural History, University of Bergen, N-5020 Bergen, Norway d Department of Earth Science, University of California...Western Gneiss Region (WGR) of Norway is divided by the Møre-Trøndelag shear zone (MTSZ) into a southern...Introduction The Western Gneiss Region (WGR) of Norway (Fig. 1) is well known as a giant ultrahigh-pressure...discontinuity from north to south across the Møre-Trøndelag shear zone, a sinistral strike-slip shear zone |  | | Journal (article/letter/editorial) | | the island of Fjørtoft, Western Gneiss Region, Norway, indicates two burial events during the Caledonian...rights reserved. Accepted Article Abstract The Blåhø Nappe on the island of Fjørtoft, which represents...Seve Nappe Complex in the Western Gneiss Region, Norway, has been suggested to have experienced two deep...“diamondiferous” kyanite-garnet gneiss from the Blåhø Nappe on Fjørtoft was revisited to determine if...path confirms the multiple burial history of the Blåhø Nappe but contradicts previous ideas of deep burial |  | Hacker, Bradley R., Kylander-Clark, Andrew R.C., Holder, Robert, Andersen, Torgeir B., Peterman, Emily M., Walsh, Emily O., Munnikhuis, Jonathan K. (2015) Monazite response to ultrahigh-pressure subduction from U–Pb dating by laser ablation split stream. Chemical Geology, 409. 28-41 doi:10.1016/j.chemgeo.2015.05.008 | Journal (article/letter/editorial) | | Geological Processes, PO Box 1048, Blindern, 0316 Oslo, Norway Earth and Oceanographic Science, Bowdoin College...Geologic setting The Western Gneiss Region (WGR) of Norway contains one of Earth's largest ultrahigh-pressure...B6 B6 B19 B19 B19 B21 B21 (H) B24 (H) B24 Blåhø Blåhø Blåhø Gula Gula Gula Gula Gula Hyllestad Hyllestad... Seve, Essandsjø–Øyfjell, Surna, Osen–Roå, and Blåhø Nappes [e.g., Rickard, 1985; Kollung, 1990; Bjerkgård...to the history of the Western Gneiss Region of Norway. Precambrian Res. 120, 149–175. Beckman, V., Möller |  | 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...94–1.97)2O6, with subordinate phengite, kyanite, rutile, coesite and apatite, all present as inclusions...INTRODUCTION The Western Gneiss Region (WGR) of Norway exposes reworked Proterozoic Baltica basement gneisses |  | Spencer, K.J., Hacker, B.R., Kylander-Clark, A.R.C., Andersen, T.B., Cottle, J.M., Stearns, M.A., Poletti, J.E., Seward, G.G.E. (2013) Campaign-style titanite U–Pb dating by laser-ablation ICP: Implications for crustal flow, phase transformations and titanite closure. Chemical Geology, 341. 84-101 doi:10.1016/j.chemgeo.2012.11.012 | Journal (article/letter/editorial) | | Universitetet i Oslo, P.O. Box 1047 Blindern, 0316 Oslo, Norway a r t i c l e i n f o Article history: Received...Mezger Keywords: Titanite Ultrahigh-pressure U–Pb Norway a b s t r a c t U–Pb dates of titanite from >...were measured across the Western Gneiss Region of Norway to understand deformation and metamorphism of typical...Gneiss Region The Western Gneiss Region (WGR) of Norway contains one of Earth's giant ultrahigh-pressure...(Fig. 3; see Appendix A for details) show that rutile is the stable Ti-phase at high pressure, and ilmenite |  | Butler, J.P., Jamieson, R.A., Dunning, G.R., Pecha, M.E., Robinson, P., Steenkamp, H.M. (2018) Timing of metamorphism and exhumation in the Nordøyane ultra-high-pressure domain, Western Gneiss Region, Norway: New constraints from complementary CA-ID-TIMS and LA-MC-ICP-MS geochronology. Lithos, 310. 153-170 doi:10.1016/j.lithos.2018.04.006 | Journal (article/letter/editorial) | | ultrahigh-pressure domain, Western Gneiss Region, Norway: New constraints from complementary CA-ID-TIMS...ultra-high-pressure domain, Western Gneiss Region, Norway: New constraints from complementary CA-ID-TIMS...ultra-high-pressure domain, Western Gneiss Region, Norway: New constraints from complementary CAID-TIMS and...USA 85721 5 Geological Survey of Norway, Trondheim NO-7491, Norway 6 Present address: Canada-Nunavut...U–Pb geochronology study of zircon and associated rutile and titanite from the Nordøyane ultra-high-pressure |  | | Journal (article/letter/editorial) | | metamorphism: Examples from the Western Gneiss Region, Norway Robert M. Holder, Bradley R. Hacker, Andrew R.C...metamorphism: Examples from the Western Gneiss Region, Norway, Chemical Geology (2015), doi: 10.1016/j.chemgeo...metamorphism: Examples from the Western Gneiss Region, Norway Robert M Holdera*, Bradley R Hackera, Andrew RC...(UHP) D samples from the Western Gneiss Region, Norway, using LASS (laser-ablation split-stream ICP- ...petrochronology; trace elements; ultrahigh pressure; Norway ACCEPTED MANUSCRIPT 1. Introduction The development |  | | Journal (article/letter/editorial) | | eclogite facies orogenic root (Western Gneiss Region, Norway) Short title: H-T equilibration of eclogite orogenic...Lutro Geological Survey of Norway, P.O. Box 6315 Sluppen, 7491-Trondheim, Norway *corresponding author:...northwestern-most part of the Western Gneiss Region, South Norway. The garnet-clinopyroxene rocks occur as lenses...51-0.59 a.p.f.u.), calcite, epidote and accessory rutile, ilmenite, zircon and apatite. Garnet porphyroblasts...clinopyroxene. Secondary titanite is produced on rutile, and spinel + plagioclase on ilmenite. The P-T |  | Terry, Michael P., Robinson, Peter, Hamilton, Michael A., Jercinovic, Michael J. (2000) Monazite geochronology of UHP and HP metamorphism, deformation, and exhumation, Nordøyane, Western Gneiss Region, Norway. American Mineralogist, 85 (11) 1651-1664 doi:10.2138/am-2000-11-1208 | Journal (article/letter/editorial) | | and exhumation, Nordøyane, Western Gneiss Region, Norway MICHAEL P. TERRY,1,* PETER ROBINSON,1,2 MICHAEL...01003, U.S.A. 2 Geological Survey of Norway, N-7491 Trondheim, Norway 3 Geological Survey of Canada, 601...structural analysis. The Western Gneiss Region, Norway, is a giant tectonic window exposing large areas...related rocks, including eclogites, assigned to the Blåhø Nappe in the regional tectonostratigraphy. Thermobarometry...biotite, potassium feldspar, plagioclase, quartz, rutile, monazite, and zircon. They represent a retrograde |  | | Journal (article/letter/editorial) | | mantle-derived peridotite lens at Bardane on Fjørtoft, west Norway DENNIS A. CARSWELL1 and HERMAN L. M. VAN ROERMUND2...peridotite body at Bardane on Fjørtoft, western Norway. This pod is interpreted to have originally comprised...magnesite, Ba-Mg carbonate, Fe-Ni sulphide, Cl-apatite, rutile, zircon and monazite. Thus a metasomatic fluid...gneisses of the Western Gneiss Region (WGR) of Norway. These microdiamonds occur within samples extracted...Nytun Kongsneset P Fjørtoftneset Caledonian Blåhø Nappe Fjørtoft Proterozoic Baltica Basement Migmatitic |  | Klonowska, I., Janák, M., Majka, J., Petrík, I., Froitzheim, N., Gee, D. G., Sasinková, V. (2017) Microdiamond on Åreskutan confirms regional UHP metamorphism in the Seve Nappe Complex of the Scandinavian Caledonides. Journal of Metamorphic Geology, 35 (5) 541-564 doi:10.1111/jmg.12244 | Journal (article/letter/editorial) | | assemblage of Ca,Mg-rich garnet + phengite + kyanite + rutile, with polycrystalline quartz surrounded by radial...mountain belt in the Tromsø Nappe, in northern Norway (Ravna & Roux, 2006; Janák et al., 2012, 2013a)...hinterland, in the Western Gneiss Region of southwestern Norway (e.g. Smith, 1984; Dobrzhinetskaya et al., 1995;...Torneträsk) in Sweden and farther south, in southern Norway. Only HP eclogites have been found in Norrbotten...was Ca,Mg-rich garnet+phengite+kyanite +coesite+rutile, which was variably overprinted under lower pressure |  | | Journal (article/letter/editorial) | | ultra-high pressure domain, Western Gneiss Region, Norway: Partial melting driven by infiltration of mantle-derived...ultra-high pressure domain, Western Gneiss Region, Norway: Partial melting driven by infiltration of mantle-derived...ultra-high pressure domain, Western Gneiss Region, Norway: Partial melting driven by infiltration of mantle-derived...Nordøyane domain of the Western Gneiss Region (WGR), Norway. The field relationships, petrology, and stable...scapolite pegmatites in the Nordoyane UHP domain, Norway The scapolite pegmatites are spatially associated |  | | Journal (article/letter/editorial) | | high-pressure to ultrahigh-pressure Western Gneiss Region, Norway E. O. WALSH* AND B. R. HACKER Department of Geological...(UHP) rocks in the Western Gneiss Region (WGR) of Norway were not exhumed from UHP depths in a single stage...Earth’s evolution. The UHP–HP terrane in the WGR of Norway (Fig. 1) is one of the world’s largest, covering...transect across the UHP/HP terrane of southwestern Norway (Fig. 2) was conducted to increase understanding...& B. R. HACKER Fig. 1. Geology of southwestern Norway, emphasizing the ultrahigh-pressure to high-pressure |  | | Journal (article/letter/editorial) | | high-pressure shear zones, Western Gneiss Region, Norway M. P. TERRY AND F. HEIDELBACH Bayerisches Geoinstitut...eclogite; garnet; high-pressure metamorphism; ilmenite; Norway; omphacite; plagioclase; rheology; shear zone;...omphacite + garnet + plagioclase and (ii) ilmenite ± rutile + garnet + plagioclase. In quartzbearing grabbroic...reaction: Ca plagioclase þ ilmenite þ spinel ¼ rutile þ garnet þ Na plagioclase þ kyanite: ð3Þ SAMPLES...Publishing Ltd SHEAR-ZONE REACTIONS AND RHEOLOGY, NORWAY 5 50 km 1 km Flem Gabbro Ullaholmen Fjørtoft |  | 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...Scandian orogeny in the Western Gneiss Region of Norway. Zircons were extracted from a layered eclogite |  | Bukała, Michał, Majka, Jarosław, Walczak, Katarzyna, Włodek, Adam, Schmitt, Melanie, Zagórska, Anna (2020) U-Pb Zircon Dating of Migmatitic Paragneisses and Garnet Amphibolite from the High Pressure Seve Nappe Complex in Kittelfjäll, Swedish Caledonides. Minerals, 10 (4) 295 doi:10.3390/min10040295 | Journal (article/letter/editorial) | | a peridotitic origin. Zirconium (Zr) content in rutile inclusions hosted in garnet in paragneisses points...obtained from the matrix rutile in the garnet amphibolite. The matrix rutile in multiple paragneiss samples...(SNC) in Sweden, and its Norwegian equivalent, the Blåhø Nappe. The Middle Allochthon records an increasing...elements (REE) analyses and trace elements (Zr-in-rutile) thermometry. We also provide insight into zircon...rare earth andmigmatized trace elements (Zr-in-rutile) thermometry. We also garnet amphibolites ultramafic |  | Hacker, B. R., Andersen, T. B., Root, D. B., Mehl, L., Mattinson, J. M., Wooden, J. L. (2003) Exhumation of high-pressure rocks beneath the Solund Basin, Western Gneiss Region of Norway. Journal of Metamorphic Geology, 21 (6) 613-629 doi:10.1046/j.1525-1314.2003.00468.x | Journal (article/letter/editorial) | | beneath the Solund Basin, Western Gneiss Region of Norway B. R. HACKER,1 T. B. ANDERSEN,2 D. B. ROOT,1 L...University of Oslo, PO Box 1047 Blindern 0316, Oslo, Norway 3 U.S. Geological Survey, Menlo Park, CA 94025...Conglomerate. Key words: eclogite; exhumation; Norway; Solund; ultrahigh pressure. INTRODUCTION The...eclogite 418 419 424 428 Fig. 1. Geology of southern Norway. Heavy dark lines show major extensional structures...continent–continent collision between Baltica (including Norway) and Laurentia (including Greenland). The nappes |
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