| 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) | Microdiamond on Åreskutan confirms regional UHP metamorphism in the Seve Nappe Complex of the Scandinavian...Uppsala University, Villavägen 16, 752 36 Uppsala, Sweden *corresponding author iwona.klonowska@geo.uu.se...title: Microdiamond in the Åreskutan gneisses ABSTRACT Metamorphic diamond in crustal rocks provides...occurrence of diamond within the Seve Nappe Complex of the Scandinavian Caledonides, on Åreskutan in Jämtland...Jämtland County, Sweden. Microdiamond is found in-situ as single and composite (diamond + carbonate) inclusions | | | 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...crystalline basement (e.g. Tännäs Augen Gneiss Nappe) and greenschist facies, Neoproterozoic, siliciclastic...siliciclastic metasedimentary rocks (e.g. Offerdal Nappe). These are overthrust by a Cryogenian−Ediacaran succession | | | Journal (article/letter/editorial) | com/locate/lithos Evolution of a gneiss in the Seve nappe complex of central Sweden – Hints at an early Caledonian,...Available online 20 August 2020 Keywords: Seve nappe complex Gneiss Pseudosection Geothermobarometry Zr-in-rutile...reported from various crustal rocks in the Seve nappe complex (SNC) in which microdiamonds were found....We studied a gneiss from the Åreskutan Nappe in central Sweden. This nappe of the SNC was recently interpreted...of UHP is diamond that is stable, for instance at 730 °C, above 34 kbar (Day, 2012). Diamond was reported | | 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 ·...part of Springer Nature 2017 Abstract The Seve Nappe Complex of the Scandinavian Caledonides is thought...Caledonian Orogeny at 430–400 Ma. Parts of the Seve Nappe Complex were affected by pre-Scandian high- and ultrahigh-pressure...ages in the North (Norrbotten) than in the South (Jämtland). New age determinations were performed on eclogite...garnet–phengite gneiss at Tjeliken in northern Jämtland. Thermodynamic modelling yielded peak metamorphic | | | Report (chapter) | Uppsala University, Villavägen 16, SE-752 36 Uppsala, Sweden david.gee@geo.uu.se Abstract: Caledonian collision...orogen in Scandinavia (Fig. 23.2) is located in Sweden. More than half of the foreland part, reaching...(Stephens 2020) in this Memoir) are present in Sweden. Their derivation from the Baltoscandian inner...in Stockholm, is located in southern parts (Jämtland county) of the Swedish Caledonides. Crystalline rocks...successions for more than 100 km across western Jämtland, the result of east-vergent thrusting (Törnebohm | | 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) | Garnet Amphibolite from the High Pressure Seve Nappe Complex in Kittelfjäll, Swedish Caledonides Michał...Uppsala, Sweden Department of Geosciences, Swedish Museum of Natural History, 104 05 Stockholm, Sweden; Melanie...March 2020 Abstract: The Seve Nappe Complex exposed in the Kittelfjäll area of the northern...Lofoten [7,8]. On the other hand, the (U)HP Tromsø Nappe of the Uppermost Allochthon is thought to represent...particularly the Seve Nappe Complex (SNC) in Sweden, and its Norwegian equivalent, the Blåhø Nappe. The Middle | | 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) | phengite eclogite from the Caledonides of northern Sweden: P-T path and tectonic implications Michał Bukała1...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...reserved. Accepted Article Abstract The Seve Nappe Complex (SNC) of the Scandinavian Caledonides records...SNC occur in two areas in Sweden, namely Jämtland and Norrbotten. The Jämtland eclogites and associated | | 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) | garnet pyroxenite from Stor Jougdan, Seve Nappe Complex, Sweden: implications for UHP metamorphism of...Uppsala University, Villav€ agen 16, 752 36 Uppsala, Sweden (iwona.klonowska@geo.uu.se) 2 Earth Science Institute...Caledonides, including finding of diamond in the Seve Nappe Complex. This UHPM of Late Ordovician age...Here we report new evidence of UHPM in the Lower Seve Nappe, recorded by eclogite and garnet pyroxenite from...of Stor Jougdan in northern J€ amtland, central Sweden. Peak-metamorphic assemblage of eclogite, garnet | | | Journal (article/letter/editorial) | accommodation of large tectonic transport distances during nappe stacking and exhumation. Here we show that fracturing...over a crustal thickness of >500 m in the Lower Seve Nappe (Scandinavian Caledonides). Amphibolites display...500 m thick mylonitic foliation during Caledonian nappe thrusting. 2 | GEOLOGICAL SETTING The Scandinavian...1985) as a result of the collision, creating a nappe stack of several allochthons units on top of Autochthons...Baltic Shield (Figure 1a,b). After emplacement, the nappe stack was folded into north-trending synforms and | | 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) | leucosomes from an intercalated portion of the Seve Nappe Complex and a pegmatite in the MTSZ. Zircon from...melt crystallization at ca. 410 to 405 Ma. The Seve Nappe leucosomes yield only early Caledonian dates...conditions, including coesite eclogite and locally, diamond-bearing eclogite and gneiss, have been documented...intercalated with overlying allochthonous units, two Seve Nappe Complex leucosomes were also analyzed to compare...quartzofeldspathic gneiss (the Western Gneiss Complex) that formed from ~ 1690 to 1620 Ma and was later | | | Journal (article/letter/editorial) | kyanite-bearing eclogite in the Seve Nappe Complex of northern Jämtland, Swedish Caledonides Marian Janák...Uppsala University, Villavägen 16, SE-752-36 Uppsala, Sweden a r t i c l e i n f o Article history: Received...Eclogite-garnet peridotite Petrology Geothermobarometry Seve Nappe Complex Scandinavian Caledonides a b s t r a c t...ultrahigh-pressure (UHP) metamorphism in the Seve Nappe Complex of the Scandinavian Caledonides is recorded...close to the lake Friningen in northern Jämtland (central Sweden). UHP metamorphic conditions of ~3 GPa | | | Report (chapter) | the (ultra)-high-pressure evolution of the Seve Nappe Complex in the Scandinavian Caledonides JAROSŁAW...Uppsala University, Villavägen 16, 752-36 Uppsala, Sweden 2 Geological Institute, Slovak Academy of Sciences...the Tjeliken eclogite, occurring within the Seve Nappe Complex of northern Jämtland (Swedish Caledonides)...between the P –T conditions of the Lower and Middle Seve nappes: 14–16 kbar and 550–680 8C and 20– 30 kbar...been considered previously to be a part of Lower Seve by most authors, but the new P –T data suggest that | | | Journal (article/letter/editorial) | reserved. Accepted Article Abstract The Blåhø Nappe on the island of Fjørtoft, which represents an isolated...isolated portion of the Seve Nappe Complex in the Western Gneiss Region, Norway, has been suggested to...“diamondiferous” kyanite-garnet gneiss from the Blåhø Nappe on Fjørtoft was revisited to determine if such a...confirms the multiple burial history of the Blåhø Nappe but contradicts previous ideas of deep burial of...the following continental collision constitute complex tectonic processes on our planet, which can lead | | | Journal (article/letter/editorial) | peridotites in the central belt of the Seve Nappe Complex, Sweden Frediano Clos ⁎, Mattia Gilio, Herman...Olivine fabrics and analysis Archean SCLM Seve Nappe Complex Scandinavian Caledonides a b s t r a c t...crustal rocks of the Seve Nappe Complex (SNC), southern Västerbotten, central Sweden. The KSP is an orogenic...mantle during exhumation of the subducted Seve Nappe Complex (Jämtlandian orogeny ~ 454 Ma). Olivine porphyroclasts...SOLM, sub-oceanic lithospheric mantle; SNC, Seve Nappe Complex; UHP, ultra high pressure; WGR, Western Gneiss | | | Journal (article/letter/editorial) | The Friningen Garnet Peridotite (Central Sweden). A good example of the characteristic PTt path...L.M., The Friningen Garnet Peridotite (Central Sweden). A good example of the characteristic PTt path...MANUSCRIPT The Friningen Garnet Peridotite (Central Sweden). A good example of the characteristic PTt path...Wide Beam Analyses Seve Nappe Complex Ultra High Pressure Western Gneiss Complex ACCEPTED MANUSCRIPT...in the central/middle belt of the Seve Nappe Complex in central Sweden. Results indicate that the early | | | Report (chapter) | minerals coesite, diamond and majoritic garnets in rocks within the Western Gneiss Complex (WGC) demonstrated...juxtaposed with each other in a complex fashion. Second, the Kalak nappe complex of northern Norway has traditionally...represent the outer Baltica margin. The Kalak nappe complex, however, underwent various Neoproterozoic tectono-thermal...Allochthon). This makes it difficult fitting this nappe complex into the scheme and seriously questions both...associated or interleaved with each other in highly complex nappe stacks, making their assignment to either one | | Be’eri-Shlevin, Yaron, Gee, David, Claesson, Stefan, Ladenberger, Anna, Majka, Jaroslaw, Kirkland, Chris, Robinson, Peter, Frei, Dirk (2011) Provenance of Neoproterozoic sediments in the Särv nappes (Middle Allochthon) of the Scandinavian Caledonides: LA-ICP-MS and SIMS U–Pb dating of detrital zircons. Precambrian Research, 187 (1) 181-200 doi:10.1016/j.precamres.2011.03.007 | Journal (article/letter/editorial) | History, Stockholm, Sweden Department of Earth Sciences, Uppsala University, Uppsala, Sweden c Geological Survey...Survey of Sweden, Uppsala, Sweden d Geological Survey of Western Australia, Perth, Australia e Geological...of the Caledonian Middle Allochthon in central Sweden and Norway. Detrital zircons from 11 samples from...additional sample from the lower part of the Leksdal Nappe, of uncertain affiliation to the Särv has a prominent...supporting previous suggestions that this part of the nappe belonged to a more proximal basin. Comparison of | | 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) | highest, the Western Gneiss Complex, the Fjordane Complex, and the Tafjord Complex, the latter two of was...Fjordane Complex of the WGR, and the third, ED Nordøyane, is located in the Tafjord Complex. Scandian...PT eclogites hosted by gneiss in the Fjordane Complex (Griffin, 1987; Kylander–Clark et al., 2008), ...gneisses in the Nordfjord domain of the Fjordane Complex (Smith, 1984; Wain, 1997; Wain et al., 2000), the...gneiss AC in the Nordøyane domain of the Tafjord Complex (Dobrzhinetskaya et al., 1995), and the presence | | | Journal (article/letter/editorial) | for ultrahigh-pressure metamorphism in the Seve Nappe Complex of the Scandinavian Caledonides, recorded...close to the lake Friningen in northern Jämtland (central Sweden). The UHP metamorphic conditions of ~3...showing a rimward increase of K2O from diamond-grade (but diamond-free) UHPM calc-silicate rocks in the...rupture due to rifting within a former subduction complex. Faryad et al. (2013—this issue) studied monomineral...kyanite-bearing eclogite in the SeveNappe Complex of northern Jämtland, Swedish Caledonides. Gondwana Research | | | Journal (article/letter/editorial) | metamorphic coesite (and somewhat later even diamond) was discovered in eclogite-facies rocks, indicating...as IECs. The host of the upcoming IEC-12 will be Sweden in 2017. Following tradition, the program will...pre-conference field trip will lead to Jämtland (Seve Nappe Complex) in the Swedish Caledonides, where evidence...four-day meeting will present newly discovered diamond-bearing UHP-metamorphic rocks, and the three-day...rocks representative of the fossil subduction-zone complex exposed on Hispaniola. A preconference field trip | | 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) | doi:10.1111/jmg.12040 Discovery of diamond in the Tromsø Nappe, Scandinavian Caledonides (N. Norway)...finding of diamond in crustal rocks from the Tromsø Nappe of the North Norwegian Caledonides. Diamond occurs...diameter. The diamond occurs as single grains and as composite diamond + carbonate inclusions. Diamond vibration...(sp2-bonded carbon) indicating partial transformation of diamond to graphite. The calculated peak P–T conditions... 50 °C. Metamorphic diamond found in situ in crustal rocks of the Tromsø Nappe thus provides unequivocal | | | Journal (article/letter/editorial) | 1995; Ravna, & Terry, 2004). Both coesite and diamond are reported from crustal rocks in the area (Butler...occurrences of coesite inclusions in garnet and diamond have been taken as evidence for UHP metamorphism... (2003) dated a protolith enclave, the Hustad complex, to 1655-1650 Ma. The Caledonian HP-UHP metamorphic...gneisses, both belonging to the WGR, or the Blåhø Nappe of the middle allochthon (Figure 1). They vary in...established as the deepest (corresponding to reports of diamond and coesite in crustal eclogite and gneisses; Butler | | | Journal (article/letter/editorial) | pyroxenites with diamond pseudomorphs indicating derivation from depths within the diamond stability field...in the Tjeliken lens, Eastern Belt of the Seve Nappe complex, Swedish Caledonides (van Roermund, 1989)...host terrane. Nove Dvory type peridotite, Gföhl Nappe, Bohemian Massif, Variscides (Medaris et al., 1995...asthenosphere. Mohelno type peridotite, Gföhl Nappe, Bohemian Massif, Variscides (Medaris et al., 1995...be the case for crustal terranes that contain diamond (Fig. 2a), or through 126 H. K. BR UECK NER | | | Journal (article/letter/editorial) | result in the re-subduction of an increasingly complex continental margin characterized by previously...this “nondunk” hypothesis. The Moldanubian Gföhl Nappe in the Bohemian Massif is thought to have originated...subduction. be a HP terrane on top of an ophiolite complex. The Austroalpine Sesia-Lanzo HP terrane of the...structurally above the Zermatt-Saas ophiolite complex, for example, and could have formed through the...subduction is sufficiently prolonged, a new arc complex will develop on top of the accreted terrane (Fig | | | Journal (article/letter/editorial) | eclogite associated with garnet peridotite and diamond-bearing granulite, northern Bohemian Massif Jana...eclogite associated with garnet peridotite and diamond-bearing granulite, northern Bohemian Massif, LITHOS...eclogite associated with garnet peridotite and diamond-bearing granulite, T northern Bohemian Massif...associated with felsic granulites which contain diamond as a consequence of deep subduction of the continental...into the subducted continental crust TE D (diamond-bearing granulites) during the Variscan orogeny |
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