 | 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) | | 12173
Eclogite and garnet pyroxenite from Stor Jougdan, Seve Nappe
Complex, Sweden: implications for UHP...Uppsala University, Villav€
agen 16, 752 36 Uppsala, Sweden (iwona.klonowska@geo.uu.se)
2
Earth Science Institute...eclogite and garnet pyroxenite from the area of Stor Jougdan in northern J€
amtland, central Sweden. Peak-metamorphic...Peak-metamorphic assemblage of eclogite, garnet + omphacite + phengite + rutile + coesite? yields P–T conditions...inferred from
inclusions of zoisite and amphibole in garnet, which are stable at lower pressure, whereas the |  | | Journal (article/letter/editorial) | | eclogite in the Seve Nappe
Complex of northern Jämtland, Swedish Caledonides
Marian Janák a,⁎, Herman...Uppsala University, Villavägen 16, SE-752-36 Uppsala, Sweden
a r t i c l e
i n f o
Article history:
Received...Ultrahigh-pressure metamorphism
Eclogite-garnet peridotite
Petrology
Geothermobarometry
Seve Nappe Complex...dyke within a garnet peridotite
body exposed close to the lake Friningen in northern Jämtland (central Sweden)...phase equilibria for the peak-pressure assemblage garnet + omphacite + kyanite + phengite.
A prograde metamorphic |  | | Report (article/chapter) | | Uppsala University, Villavägen 16, 752-36 Uppsala, Sweden
2
Geological Institute, Slovak Academy of Sciences...inclusions (pargasitic amphibole)
in garnet and intracrystalline garnet exsolutions in omphacite. Peak metamorphic...peak-pressure
assemblage garnet + omphacite + phengite + quartz + rutile, using the garnet–clinopyroxene
Fe–Mg...diopside–plagioclase
symplectites and amphibole coronas around garnet. Previous studies in northern Jämtland suggest...Complex (SNC) in Norrbotten and northern Jämtland in Sweden (e.g.
Zwart 1974; Van Roermund 1985; Andréasson |  | | Journal (article/letter/editorial) | | in the central belt of the Seve Nappe
Complex, Sweden
Frediano Clos ⁎, Mattia Gilio, Herman L.M. van...24 January 2014
Keywords:
Mantle wedge spinel peridotite
Olivine fabrics and analysis
Archean SCLM
Seve...microstructures are investigated in the Kittelfjäll spinel peridotite (KSP), a fragment of lithospheric mantle which...southern Västerbotten, central Sweden. The KSP is an orogenic peridotite containing
a well developed penetrative...hyper-extensional peridotite in the Scandinavian Caledonides. The latter two
peridotite subtypes may have |  | | Journal (article/letter/editorial) | |
The Friningen Garnet Peridotite (Central Sweden). A good example of the
characteristic...characteristic PTt path of a cold mantle wedge garnet peridotite
Mattia Gilio, Frediano Clos, Herman L.M. van Roermund...van Roermund, Herman L.M.,
The Friningen Garnet Peridotite (Central Sweden). A good example of the characteristic...characteristic PTt path of a cold mantle wedge garnet peridotite, LITHOS (2015), doi:
10.1016/j.lithos.2015...pertain.
ACCEPTED MANUSCRIPT
The Friningen Garnet Peridotite (Central Sweden). A good example of the characteristic |  | 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...in the South (Jämtland). New age determinations were
performed on eclogite and garnet–phengite gneiss...gneiss at Tjeliken in northern Jämtland. Thermodynamic modelling yielded peak
metamorphic conditions of 25–27...25–27 kbar/680–760 °C for the garnet–phengite gneiss, similar to published peak metamorphic
conditions...kbar/650–700 °C). Metamorphic rims of zircons from the garnet–phengite gneiss were
dated using secondary ion |  | | Report (article/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...ultrahigh-pressure metamorphism has been obtained from garnet peridotites and eclogites; recently, microdiamonds...western part of the counties of Jämtland,
Västerbotten and Norrbotten, Sweden (Fig. 21.1), comprising
far-transported |  | 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...composite (diamond + carbonate)
inclusions within garnet, in kyanite-bearing paragneisses. The rocks preserve...primary
peak pressure assemblage of Ca,Mg-rich garnet + phengite + kyanite + rutile, with
polycrystalline...1.0-1.1 GPa, leading to formation of Ca,Mgpoor garnet+biotite+ plagioclase+K-feldspar+sillimanite+ilmenite+quartz |  | 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) | | U-Pb Zircon Dating of Migmatitic Paragneisses and
Garnet Amphibolite from the High Pressure Seve
Nappe Complex...Uppsala, Sweden
Department of Geosciences, Swedish Museum of Natural History, 104 05 Stockholm, Sweden;
Melanie...metamorphosed during the Iapetus Ocean closure. Garnet amphibolites, together with
their host migmatitic...followed by decompression-driven
migmatization. The garnet amphibolites were originally thought to represent...petrological and geochemical features of a studied garnet amphibolite allow for
speculation about a peridotitic |  | | Journal (article/letter/editorial) | | Yang, Chinese Academy of Geological
Sciences) to garnet and polycrystalline inclusions. “The Chronology...chronometers that are currenly used, such as zircon, garnet
and rutile. “Subduction and Continental Underthrusting”...Patrick
O’Brien (University Potsdam, Germany). The “Garnet Peridotites”
session saw William Griffin (Macquarie...University, Australia) discuss
the connection between garnet peridotites and the mantle. The “Fluids
and Melts”...edition of the IEC was held 20–29
August 2017 in Åre (Sweden) at the foot of Mt
Åreskutan in the Scandinavian |  | | Journal (article/letter/editorial) | | dyke within a garnet peridotite body exposed
close to the lake Friningen in northern Jämtland (central Sweden)...evolution
is inferred from mineral inclusions in garnet, whereas the post-UHP
evolution is constrained...Kazachstan. The clinopyroxene occurs as inclusions
in garnet, and also forms porphyroblastic grains with cores...observed. Monocrystalline inclusions of calcite, garnet, phengite and rare quartz and both fluid and
polyphase...inclusions in garnet from eclogites and clinopyroxenites,
which form layers and boudins in UHP garnet peridotites |  | | 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...well foliated gneiss contains quartz, biotite, garnet, K-feldspar, plagioclase, and potassic white mica...biotite + chlorite + potassic white mica in the garnet core, the prograde P-T conditions
were approximately...heating to 700 °C followed, constrained by homogenous
garnet with XCa = 0.03 and XMg = 0.295, the highest Si |  | Su, Bin, Chen, Yi, Mao, Qian, Zhang, Di, Jia, Li-Hui, Guo, Shun (2019) Minor elements in olivine inspect the petrogenesis of orogenic peridotites. Lithos, 344. 207-216 doi:10.1016/j.lithos.2019.06.029 | Journal (article/letter/editorial) | | peridotites. The Na contents of olivines from
D
garnet-facies mantle peridotites (mostly >20 ppm) are...strongly metasomatized garnet lherzolites.
Olivines from these high-Ti garnet lherzolites also have Mn...geodynamics.
Keywords: olivine; minor element; orogenic peridotite; metasomatism; subduction
zone
ACCEPTED MANUSCRIPT...rocks and
PT
are named ‘orogenic peridotites’, ‘peridotite massifs’ or ‘alpine-type peridotites’
RI
(Brueckner...2012).
Olivine is the most abundant mineral in peridotite and has an exclusive status in
our understanding |  | | 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...data at unit silica activity, with
application to garnet-free natural assemblages. American Mineralogist...margins of
Iapetus: Ordovician ages for eclogites and garnet pyroxenites from the Seve Nappe Complex,
Swedish |  | 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...SNC
occur in two areas in Sweden, namely Jämtland and Norrbotten. The Jämtland eclogites and
associated...and two rims: inner, medium-Na
and outer, low-Na. Garnet consists of a high-Ca euhedral core, low-Ca inner |  | 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) | | Neoproterozoic
monazite. The monazite rims record garnet growth as they are depleted in Y2O3 with respect...conditions. Caledonian monazite formed coeval with
garnet growth during subduction of the Vaimok Lens, whereas...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 |  | | Journal (article/letter/editorial) | |
UHP kyanite eclogite associated with garnet peridotite and diamond-bearing
granulite, northern Bohemian...Marian, UHP kyanite eclogite associated with garnet peridotite and diamond-bearing granulite, northern Bohemian...MANUSCRIPT
UHP kyanite eclogite associated with garnet peridotite and diamond-bearing granulite,
T
northern...Keywords: eclogite, ultrahigh-pressure, subduction, garnet zoning, thermobarometry,
Abstract
CE
P
Bohemian...Bohemian Massif
AC
Kyanite eclogites enclosed in garnet peridotites may provide important information on |  | 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) | | Accepted Manuscript
Eclogites in peridotite massifs in the Western Gneiss Region,
Scandinavian Caledonides:...William
L. Griffin, Marian Janák , Eclogites in peridotite massifs in the Western Gneiss Region,
Scandinavian...journal pertain.
ACCEPTED MANUSCRIPT
Eclogites in peridotite massifs in the Western Gneiss Region, Scandinavian...minor, but petrologically important,
features of peridotite massifs worldwide. In the Western Gneiss Region...combined with 20% to 70%
AN
assimilation of peridotite. Clinopyroxenes in eclogites have a wide variation |  | | Thesis/Dissertation | | recrystallization of minerals in the Almklovdalen Peridotite Massif, SW Norway. MSc thesis by: Marc Breddels...characterized by the occurrence of numerous garnet peridotite bodies that were emplaced from the hanging-wall...Ma). The Almklovdalen Peridotite Massif (APM) is one of such garnet peridotite bodies. The main objective...mobile elements like Al in orthopyroxene and Cr in garnet are however lower in minerals from the M2 assemblage...Cr in garnet allowed the distinction between high-Cr M1 garnet porphyroclasts and low-Cr M2 garnet, which |  | 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) | | inclusions in garnet from gneiss at Tønsvika near
Tromsø. The rock is composed essentially of garnet, biotite...concentrates of separated
grains from a kyanite- and garnet-bearing gneiss at
Fjørtoft (Dobrzhinetskaya et...situ microdiamond was subsequently found in garnet peridotite
at Bardane (Van Roermund et al., 2002) and...the Seve Nappe Complex of J€amtland in central
Sweden (Janak et al., 2013). This evidence provides
important... The presence of microdiamond as
inclusions in garnet is documented by microscopy,
electron microprobe |  | | Book | | Micro-diamond in orogenic peridotite and other high grade metamorphics of the northern UHP domain, WGR...12th International Eclogite Conference in Åre, Sweden Post-conference excursion guide 26–29 August 2017.................................. 12 2.1.4 Garnet peridotite in the northern UHP domain of the WGR............ 26 3.1.1 Part I: Svartberget Fe–Ti garnet peridotite/pyroxenite near Tornes................. 26...2 Part II: Ugelvik and Raudhaugene Mg–Cr garnet peridotite on Otrøy ............. 26 3.2 Mainland .. |  | | Report (article/chapter) | | Uppsala University, Uppsala, Sweden
2
Geological Survey of Sweden, Uppsala, Sweden
3
Department of Geological... Swedish Museum of Natural History, Stockholm, Sweden
4
Institute of Earth Sciences, Edmond Safra campus...Caledonian orogeny. Peak-temperature metamorphism in garnet migmatites is constrained to c. 442 + 4 Ma, very...general, the lower
parts of the Seve Nappe Complex in Sweden are
similar in protolith to the Särv nappes; the...the 1:200 000 geological map of western Jämtland
county (Strömberg et al. 1984; Strömberg, in
Karis & |
|