 | Klonowska, I., Janák, M., Majka, J., Froitzheim, N., Kośmińska, K. (2016) Eclogite and garnet pyroxenite from Stor Jougdan, Seve Nappe Complex, Sweden: implications for UHP metamorphism of allochthons in the Scandinavian Caledonides. Journal of Metamorphic Geology, 34 (2) 103-119 doi:10.1111/jmg.12173 | Journal (article/letter/editorial) | | 1111/jmg.12173 Eclogite and garnet pyroxenite from Stor Jougdan, Seve Nappe Complex, Sweden: implications...Uppsala University, Villav€ agen 16, 752 36 Uppsala, Sweden (iwona.klonowska@geo.uu.se) 2 Earth Science Institute...Seve Nappe, recorded by eclogite and garnet pyroxenite from the area of Stor Jougdan in northern J€ amtland...amtland, central Sweden. Peak-metamorphic assemblage of eclogite, garnet + omphacite + phengite + rutile...system. The prograde metamorphic evolution of the eclogite is inferred from inclusions of zoisite and amphibole |  | 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) | | Uppsala University, Villavägen 16, 752 36 Uppsala, Sweden *corresponding author iwona.klonowska@geo.uu.se...Scandinavian Caledonides, on Åreskutan in Jämtland County, Sweden. Microdiamond is found in-situ as single...mineral assemblages that do not correspond to the eclogite facies but record lower pressure conditions. Often...garnet formed in quartzofeldspathic rocks under eclogite facies conditions may survive even severe retrogression...the Seve Nappe Complex (SNC) of west-central Jämtland County, the subject of this study, contain plagioclase |  | Fassmer, Kathrin, Klonowska, Iwona, Walczak, Katarzyna, Andersson, Barbro, Froitzheim, Nikolaus, Majka, Jarosław, Fonseca, Raúl O. C., Münker, Carsten, Janák, Marian, Whitehouse, Martin (2017) Middle Ordovician subduction of continental crust in the Scandinavian Caledonides: an example from Tjeliken, Seve Nappe Complex, Sweden. Contributions to Mineralogy and Petrology, 172 (11) doi:10.1007/s00410-017-1420-7 | Journal (article/letter/editorial) | | Caledonides: an example from Tjeliken, Seve Nappe Complex, Sweden Kathrin Fassmer1 · Iwona Klonowska2 · Katarzyna...(Norrbotten) than in the South (Jämtland). New age determinations were performed on eclogite and garnet–phengite...garnet–phengite gneiss at Tjeliken in northern Jämtland. Thermodynamic modelling yielded peak metamorphic conditions...to published peak metamorphic conditions of the eclogite (25–26 kbar/650–700 °C). Metamorphic rims of zircons...dating yielded 458 ± 1.0 Ma for the eclogite. Garnet in the eclogite shows prograde major-element zoning |  | 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) | | Uppsala, Sweden Department of Geosciences, Swedish Museum of Natural History, 104 05 Stockholm, Sweden; Melanie...Allochthon, particularly the Seve Nappe Complex (SNC) in Sweden, and its Norwegian equivalent, the Blåhø Nappe...highest grade metamorphic conditions (reaching up to eclogite facies) have been identified only within the SNC...entire orogen. While the SNC lithologies exposed in Jämtland have an established history of (U)HP metamorphism...conditions recorded by SNC cropping out in west–central Jämtland have been established by the discovery of metamorphic |  | | Report (chapter) | | Pressure – temperature estimates on the Tjeliken eclogite: new insights into the (ultra)-high-pressure evolution...Uppsala University, Villavägen 16, 752-36 Uppsala, Sweden 2 Geological Institute, Slovak Academy of Sciences...Abstract: The metamorphic evolution of the Tjeliken eclogite, occurring within the Seve Nappe Complex of northern...kbar and 700– 800 8C, respectively. The Tjeliken eclogite has been considered previously to be a part of...tectonostratigraphic levels. The most intensely investigated eclogite province, the so-called Western Gneiss Region |  | | Report (chapter) | | Middle thrust sheets in the Caledonide orogen, Sweden: the outer margin of Baltica, the continent–ocean...Uppsala, Sweden 2 Department of Geology, Lund University, Sölvegatan 12, SE-223 62 Lund, Sweden 3 Department...Luleå University of Technology, SE-971 87 Luleå, Sweden IK, 0000-0001-7346-1770 *Correspondence: david...western part of the counties of Jämtland, Västerbotten and Norrbotten, Sweden (Fig. 21.1), comprising far-transported...these thrust sheets in the central Scandes of Jämtland and Trøndelag led Asklund (1938) to conclude that |  | Bukała, Michał, Klonowska, Iwona, Barnes, Christopher, Majka, Jarosław, Kośmińska, Karolina, Janák, Marian, Fassmer, Kathrin, Broman, Curt, Luptáková, Jarmila (2018) UHP metamorphism recorded by phengite eclogite from the Caledonides of northern Sweden:P-Tpath and tectonic implications. Journal of Metamorphic Geology, 36 (5) 547-566 doi:10.1111/jmg.12306 | Journal (article/letter/editorial) | | metamorphism recorded by phengite eclogite from the Caledonides of northern Sweden: P-T path and tectonic implications...Uppsala University, Villavägen 16, 752 36 Uppsala, Sweden 3 Earth Science Institute, Slovak Academy of...University, Svante Arrheniusväg 8, 106 91 Stockholm, Sweden 6 Earth Science Institute, Slovak Academy of...SNC occur in two areas in Sweden, namely Jämtland and Norrbotten. The Jämtland eclogites and associated...conditions of their formation. Within the studied eclogite, clinopyroxene contains a high-Na core and two |  | Barnes, Christopher, Majka, Jarosław, Schneider, David, Walczak, Katarzyna, Bukała, Michał, Kośmińska, Karolina, Tokarski, Tomasz, Karlsson, Andreas (2019) High-spatial resolution dating of monazite and zircon reveals the timing of subduction–exhumation of the Vaimok Lens in the Seve Nappe Complex (Scandinavian Caledonides) Contributions to Mineralogy and Petrology, 174 (1) doi:10.1007/s00410-018-1539-1 | Journal (article/letter/editorial) | | of Earth Sciences, Uppsala University, Uppsala, Sweden 3 Department of Earth and Environmental Sciences... Swedish Museum of Natural History, Stockholm, Sweden Introduction To understand the subduction–exhumation...Previous geochronology for the SNC in northern Jämtland and near Åreskutan are summarized. Our study area...Precambrian window (Lower Allochthon) Northern Jämtland c. 458-4601,2,3 Autochthon Sedimentary cover...and felsic metavolcanic rocks hosting metamafic (eclogite) bodies (Albrecht 2000; Andréasson et al. 1985; |  | | Journal (article/letter/editorial) | | of Caledonian orogenic wedge assembly, Central Sweden, constrained by Rb-Sr multi-mineral isochron data...of Caledonian orogenic wedge assembly, Central Sweden, constrained by Rb-Sr multimineral isochron data...of Caledonian orogenic wedge assembly, central Sweden, constrained by Rb–Sr multi-mineral isochron data...Sciences, Stockholm University, 106 91 Stockholm, Sweden) 2 GFZ German Research Centre for Geosciences,...mylonites of the Caledonian nappe pile RI (Jämtland, Sweden) constrain the orogenic evolution of the central |  | | Journal (article/letter/editorial) | | of a gneiss in the Seve nappe complex of central Sweden – Hints at an early Caledonian, medium-pressure...studied a gneiss from the Åreskutan Nappe in central Sweden. This nappe of the SNC was recently interpreted...(with low-Al orthopyroxene) and coesite-bearing eclogite that commonly form boudins within crustal rocks...significant peak-pressure contrast exists between eclogite (± garnet peridotite) and enveloping gneiss (Braga...(Liu and Massonne, 2019), but a coesite-bearing eclogite occurs in close vicinity to this gneiss (Terry |  | | Journal (article/letter/editorial) | | 2008; Wain, Waters, Jephcoat, & Olijynk, 2000). Eclogite- facies metamorphism in the Lower Allochthon of...peridotite and dunite. Eclogite has been recognized in the SNC from northern Jämtland to southern Norrbotten...Norrbotten in Sweden, among which those from northern Jämtland reached UHP conditions (Janák, van Roermund...central Jämtland (Figure 1a; Klonowska et al., 2017; Majka et al., 2014b). The age of the eclogite-facies...eclogite-facies metamorphism in the SNC of Jämtland has been constrained to c. 460-430 Ma, i.e. a pre-Scandian phase |  | Medaris, L. Gordon, Brueckner, Hannes K., Cai, Yue, Griffin, William L., Janák, Marian (2018) Eclogites in peridotite massifs in the Western Gneiss Region, Scandinavian Caledonides: Petrogenesis and comparison with those in the Variscan Moldanubian Zone. Lithos, 322. 325-346 doi:10.1016/j.lithos.2018.10.013 | Journal (article/letter/editorial) | | Slovak Republic ACCEPTED MANUSCRIPT ABSTRACT Eclogite lenses and boudins are volumetrically minor, but...and PT Plagioclase and amphibole inclusions in eclogite garnet provide evidence for prograde metamorphism...and subsequently recrystallized to high–pressure eclogite, whereas most eclogites in Variscan Moldanubian...pressure to produce eclogite IP T facies assemblages. CR Keywords: eclogite; garnet peridotite;...these two rock types are chemically distinct, with eclogite being distinguished from garnet pyroxenite by |  | | Journal (article/letter/editorial) | | of ~200 km (Figure 1; Andréasson, 1994). In the Jämtland region, the SNC can be further subdivided into...recorded in the Lower Seve Nappe in the central Jämtland. In the Middle Seve Nappe, the granulite and amphibolite...Figure 1b,c) is located in the central Jämtland region, near Åre (Sweden). The drill core provides an almost...recorded by kyanitebearing eclogite in the Seve Nappe Complex of northern Jämtland, Swedish Caledonides. Gondwana... K. (2016). Eclogite and garnet pyroxenite from Stor Jougdan, Seve Nappe Complex, Sweden: implications |  | | Journal (article/letter/editorial) | | High-temperature, decompressional equilibration of the eclogite facies orogenic root (Western Gneiss Region, Norway)...Norway) Short title: H-T equilibration of eclogite orogenic root Ane K. Engvik*, Bjørn Willemoes-Wissing...rutile. The data support an evolution where the eclogite facies crust in the northwestern-most coastal...subsequent to the deep crustal burial. KEYWORDS eclogite, garnet, high-pressure granulite, symplectite...rocks undergo transformation into blueschist, eclogite and granulite by high-pressure (HP) and ultrahigh-pressure |
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