 | 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) | | Scandinavian Caledonides: an example from Tjeliken, Seve Nappe Complex, Sweden Kathrin Fassmer1 · Iwona Klonowska2...(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 |  | 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...evidence of UHPM in the Lower Seve Nappe, recorded by eclogite and garnet pyroxenite from the area of Stor Jougdan...northern J€ amtland, central Sweden. Peak-metamorphic assemblage of eclogite, garnet + omphacite + phengite...system. The prograde metamorphic evolution of the eclogite is inferred from inclusions of zoisite and amphibole |  | | Report (chapter) | | Pressure – temperature estimates on the Tjeliken eclogite: new insights into the (ultra)-high-pressure...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...30 kbar and 700– 800 8C, respectively. The Tjeliken eclogite has been considered previously to be a part...tectonostratigraphic levels. The most intensely investigated eclogite province, the so-called Western Gneiss Region |  | 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) | | minerals Article U-Pb Zircon Dating of Migmatitic Paragneisses and Garnet Amphibolite from the High...Uppsala, Sweden Department of Geosciences, Swedish Museum of Natural History, 104 05 Stockholm, Sweden; Melanie...and 726 ◦ C. Whereas the LA-ICP-MS U-Pb dating of zircon cores revealed the age spectrum from Paleoproterozoic...suggesting a detrital origin of zircon cores in paragneisses, the metamorphic zircon rims show an Early Ordovician...Ordovician cluster c. 475–469 Ma. Additionally, zircon cores and rims from the garnet amphibolite yielded |  | | 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 |  | 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 |  | | Journal (article/letter/editorial) | | different areas of the Seve Nappe Complex (SNC) in Sweden confirms previous indications of discrete Ordovician...Tsäkkok and Vaimok Lenses yield identical metamorphic zircon ages of 482 ± 1 Ma. Titanite in a metagabbro from...mafic dikes in the overlying Sarek Lens; high-U zircon cores in one of the eclogites also indicate a similar...similar age. Farther south, in Jämtland, the Tjeliken eclogite yields a significantly younger metamorphic...and Jämtland eclogites, the U–Pb ages of both eclogite suites are ca. 20 m.y. younger than previously |  | 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 |  | | Journal (article/letter/editorial) | | recorded by kyanite-bearing eclogite in the Seve Nappe Complex of northern Jämtland, Swedish Caledonides Marian...Uppsala University, Villavägen 16, SE-752-36 Uppsala, Sweden a r t i c l e i n f o Article history: Received...2012 Keywords: Ultrahigh-pressure metamorphism Eclogite-garnet peridotite Petrology Geothermobarometry...Scandinavian Caledonides is recorded by kyanite-bearing eclogite, found in a basic dyke within a garnet peridotite...close to the lake Friningen in northern Jämtland (central Sweden). UHP metamorphic conditions of ~3 GPa |  | | Journal (article/letter/editorial) | | in the central belt of the Seve Nappe Complex, Sweden Frediano Clos ⁎, Mattia Gilio, Herman L.M. van...Nappe Complex (SNC), southern Västerbotten, central Sweden. The KSP is an orogenic peridotite containing a...garnet-bearing peridotites, in the SNC of N. Jämtland, Sweden – here called the Friningen garnet peridotite...dikes (now metamorphosed to garnet pyroxenite/eclogite) was first described by Van Roermund (1989), the...central/middle belt of the SNC in S. Västerbotten, Sweden – more specifically the Kittelfjäll spinel peridotite |  | | 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 |  | KIIPLI, TARMO, DAHLQVIST, PETER, KALLASTE, TOIVO, KIIPLI, ENLI, NÕLVAK, JAAK (2015) Upper Katian (Ordovician) bentonites in the East Baltic, Scandinavia and Scotland: geochemical correlation and volcanic source interpretation. Geological Magazine, 152 (4) 589-602 doi:10.1017/s001675681400051x | Journal (article/letter/editorial) | | Estonia ‡Geological Survey of Sweden, Killiansgatan 10, 223 50 Lund, Sweden (Received 21 June 2014; accepted...ultra-high-pressure metamorphism in the Seve Nappe (Central Sweden) and intrusions in the Helgeland Nappe Complex...Gotland (Sweden), the Röstånga-1 core from southern Sweden and from natural exposures from the Jämtland and...and Västerbotten regions (Central Sweden) (Fig. 1). In the cores, all interbeds distinguished by an unusual...Estonia; (b) sections sampled or discussed from Sweden, Norway, Denmark, Latvia and Lithuania. Broken |  | | Report (chapter) | | consists mainly of metasedimentary rocks, with minor eclogite lenses and granodioritic to tonalitic bodies....probably of Neoproterozoic and younger age, and eclogite facies metamorphism occurred outboard of Baltica...Iapetus on account of the age profile of the detrital zircon populaltion and regional considerations (Smit et...2010; Corfu et al. 2013). A variety of eclogite- and UHP eclogite facies rocks span an area of more than...Hacker et al. 2010). Paragneisses with eclogite lenses and eclogite facies metasedimentary rocks occur in |
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