 | KROGH, E. J., ANDRESEN, A., BRYHNI, I., BROKS, T. M., KRISTENSEN, S. E. (1990) Eclogites and polyphase P?T cycling in the Caledonian Uppermost Allochthon in Troms, northern Norway. Journal of Metamorphic Geology, 8 (3) 289-309 doi:10.1111/j.1525-1314.1990.tb00474.x | Journal (article/letter/editorial) | | the Caledonian Uppermost Allochthon in Troms, northern Norway .E. J . KROGH', A . ANDRESEN', 1. BRYHNI'...for Biologi og Ceologi, Universitetet i Tromsa, PO Box 3085, Guleng, N-9001 Tromss, Norway Mineralogisk-Geologisk... 1, N-0528 Oslo 5, Norway ABSTRACT Edogites in the Tromsai area, northern Norway, are intimately associated...timing of formation of the eclogites or the post-eclogite/pre-D, decompression stage, while a Rb-Sr whole...of post-D,/pre-D2 amphiboles from a retrograded eclogite of 437 f 16 Ma which most likely record cooling |  | | Journal (article/letter/editorial) | | K. Kullerud A Late Ordovician U–Pb age for the Tromsø Nappe eclogites, Uppermost Allochthon of the Scandinavian...timing and speed of one of these events in the Tromsø Nappe of the Uppermost Allochthon are detailed...eclogitized felsic intrusion. Formation of the eclogite, at pressures reaching 2.8 GPa, occurred at 452...451–450 Ma are also provided by high-Al titanite in eclogite and titanite in leucosome veins, the latter of...by partial melting during the exhumation of the eclogite. An age of 449 Ma for a rutile porphyroblast in |  | | Journal (article/letter/editorial) | | in kyanite- and phengite-bearing eclogite of the Tromsø Nappe, Norway M . J A N Á K , 1 E . J . K . R...Department of Geology, University of Tromsø, N-9037 Tromsø, Norway ABSTRACT Kyanite- and phengite-bearing...of the Tromsdalstind eclogite from the Tromsø Nappe, one of the biggest exposures of eclogite in the...compositional isopleths. UHP metamorphism in the Tromsø Nappe is more widespread than previously known...Scandian collision between Laurentia and Baltica. The Tromsø Nappe as the highest tectonic unit of the North |  | | Journal (article/letter/editorial) | | tectonothermal evolution of exotic Caledonian nappes in Troms, Norway: Evidence from 4°Ar/39Ar mineral ages R.D. Dallmeyer"...University of Oslo, PB 1047 Blinden, N-0316 Oslo, Norway (Received October 21, 1991~revised and accepted...tectonothermal evolution of exotic Caledonian nappes in Troms, Norway: Evidence from 4°Ar/39Ar mineral ages. Lithos...several high-level, exotic nappes in northern Troms County, Norway. Within the Nordmannvik Nappe and upper...the Troms Caledonides (except for the possible exception of eclogite-bearing horizons in the Troms~ Nappe |  | 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) | | Discovery of diamond in the Tromsø Nappe, Scandinavian Caledonides (N. Norway) ,1 E. J. KROGH RAVNA,2...Department of Geology, University of Tromsø, Tromsø, N-9037, Norway 3 Department of Geology and Mineralogy...first finding of diamond in crustal rocks from the Tromsø Nappe of the North Norwegian Caledonides. Diamond...inclusions in garnet from gneiss at Tønsvika near Tromsø. The rock is composed essentially of garnet, biotite...Metamorphic diamond found in situ in crustal rocks of the Tromsø Nappe thus provides unequivocal evidence for ultrahigh |  | | Report (chapter) | | in the Scandinavian Caledonides of the Ofoten – Troms area – terrane characterization and correlation...University of Oslo, PO Box 1047, Blindern, O316 Oslo, Norway 2 GEOTOP, Universite du Québec á Montréal,...Canada H3C 3P8 3 Geological Survey of Norway, 7491 Trondheim, Norway 4 Department of Geology, 210 Petrie...the Scandinavian Caledonides in the Troms– Ofoten region of Norway to explore possible correlations and...magmatic activity was recorded at c. 489 Ma in the Tromsø Nappe. In the underlying Nakkedal Nappe, a magmatic |  | | Journal (article/letter/editorial) | | reserved. Metamorphic Evolution of the Tønsvika Eclogite, Tromsø Nappe—Evidence for a New UHPM Province in...Geology, University of Tromsø, N-9037 Tromsø, Norway Abstract Eclogites within the Tromsø Nappe of the Uppermost...well within the coesite stability field. Post-eclogite decompression resulted in omphacite decomposition...at very high lithostatic pressures within the eclogite facies but above the stability field of quartz”...Terry, 2004). Geological Setting The Tromsø Nappe (earlier Tromsø Nappe Complex; e.g. Krogh et al., 1990) |  | | Journal (article/letter/editorial) | | Prograde garnet-bearing ultramafic rocks from the Tromsø Nappe, northern Scandinavian Caledonides☆ Erling...Ellingsen Department of Geology, University of Tromsø, N-9037 Norway Received 24 June 2005; accepted 30 March...peridotitic rocks closely associated with eclogite within the Tromsø Nappe of the northern Scandinavian Caledonides...finally serpentine. The ultramafic rocks in the Tromsø Nappe were locally strongly hydrated before subduction...from the Tromsø Nappe, Northern Norway. 2. Geological setting The Tromsø Nappe (earlier Tromsø Nappe Complex |  | Broska, Igor, Krogh Ravna, Erling J., Vojtko, Peter, Janák, Marian, Konečný, Patrik, Pentrák, Martin, Bačík, Peter, Luptáková, Jarmila, Kullerud, Kåre (2014) Oriented inclusions in apatite in a post-UHP fluid-mediated regime (Tromsø Nappe, Norway) European Journal of Mineralogy, 26 (5) 623-634 doi:10.1127/0935-1221/2014/0026-2396 | Journal (article/letter/editorial) | | apatite in a post-UHP fluid-mediated regime (Tromsø Nappe, Norway) IGOR BROSKA1,*, ERLING J. KROGH RAVNA2...Department of Geology, University of Tromsø, 9037 Tromsø, Norway 3 State Geology Institute of Dionýz...with UHP eclogites in the Tromsø Nappe of the Scandinavian Caledonides in Norway. The apatite-rich rock...exsolution; oriented inclusions; UHP metamorphism; Tromsø Nappe. 1. Introduction apatite and monazite from...Article at this locality are gneiss, marble, eclogite, phlogopite-rich garnet pyroxenite, and clinopyroxene |  | Majka, Jarosław, Mazur, Stanisław, Młynarska, Maria, Klonowska, Iwona, Tual, Lorraine, Kośmińska, Karolina, Tarasiuk, Jacek, Wroński, Sebastian (2019) Integrating X-ray mapping and microtomography of garnet with thermobarometry to define the P-T
evolution of the (near) UHP Międzygórze eclogite, Sudetes, SW Poland. Journal of Metamorphic Geology, 37 (1) 97-112 doi:10.1111/jmg.12450 | Journal (article/letter/editorial) | | the P–T evolution of the (near) UHP Międzygórze eclogite, Sudetes, SW Poland Jarosław Majka1,2 Stanisław...Short title: Garnet growth in the Międzygórze eclogite Abstract Detailed X-ray compositional mapping...growth history of garnet in a kyanite-bearing eclogite. The garnet occurs as clusters of coalesced grains...pressure (UHP) conditions during formation of this eclogite. Therefore, the peak pressure assemblage is suggested...for the possible UHP origin of the Międzygórze eclogite are the presence of rod-shaped inclusions of quartz |  | | Journal (article/letter/editorial) | | NUMBER 361 SEPTEMBER 1987 'On the eclogites of Norway' 65 years later W. L. GRIFFIN* Mineralogisk-Geologisk...Gate 1, 0562 Oslo 5, Norway Abstract The Western Gneiss Region (WGR) of Norway consists largely of Proterozoic...juxtaposed by early Caledonian thrusting prior to eclogite formation at ca. 425 Ma. Low-P protoliths can...demonstrated for many eclogites. Prograde metamorphism to eclogite facies is demonstrated by inclusion suites within...within garnet grains and zoning of eclogite minerals. The regional distribution of K n (gnt/cpx) and X |
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