 | | Journal (article/letter/editorial) | | disordered sp3-carbon in the coesite-bearing Straumen Eclogite Pod, Norway D. C. SMITH1,2 AND G. GODARD3,4 1 Lab...in phengite–kyanite–coesite eclogite sample 62a from the Straumen Eclogite Pod in the Western Gneiss Region...Region (WGR), S.W. Norway. Graphitic carbon is always present with a degree of structural disorder comparable...rocks in general. This new locality of diamond at Straumen, the fourth in the WGR but the first in the southwestern...orthopyroxene-bearing eclogite types in the WGR. Key words: diamond; eclogite; Norway; Raman; UHPM. INTRODUCTION |  | | Journal (article/letter/editorial) | | themes discussed during the 9th International Eclogite Conference (Mariánské Lázně, Czech Republic...nanoscales. Papers presented at the 9th International Eclogite Conference (Mariánské Lázně, Czech Republic...graphitized diamond from the Straumen eclogite of Western Gneiss Region (WGR) of Norway, a Palaeozoic UHPM terrane...the same monocrystal. The finding of diamond at Straumen provides a minimum pressure estimate for UHP metamorphism...g eclogites. The authors hypothesize that the Straumen diamond was formed due to reduction of CO2, whether |  | | Journal (article/letter/editorial) | | Coesite in the Straumen kyanite-eclogite pod, Norway David C. Smith Laborntoire de MinPralogie, MusPum...coesite in the Straumen kyanite-eclogite pod in the Western Gneiss Region (WGR),Norway, is described....the first coesite occurrence in Norway (the Grytting dolomite-eclogite pod) there are some significant...An initial coesite-eclogite (sub)facies paragenesis was followed by a quartz-eclogite (sub)faciesparagenesis...(sub)faciesparagenesis which, in addition to rutile and dolomite or calcite, contains the highest number (7) of silicate |  | 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) | | the Tromsø Nappe, Scandinavian Caledonides (N. Norway) ,1 E. J. KROGH RAVNA,2 K. KULLERUD,2 K. YOSHIDA...Geology, University of Tromsø, Tromsø, N-9037, Norway 3 Department of Geology and Mineralogy, Graduate...amphibole, zircon, apatite and carbonates (magnesite, dolomite, calcite). The microdiamond, identified by micro-Raman...worldwide, i.e. the Western Gneiss region (WGR) in Norway (Dobrzhinetskaya et al., 1995); China (Xu et al...of the Scandinavian Caledonides in southwestern Norway, provided unequivocal evidence for © 2013 John |  | | Journal (article/letter/editorial) | | pre-conference field excursion of the 10th International Eclogite Conference to the Erzgebirge terrane of the Saxothuringian...high-grade metamorphic rocks: (a) mica-schist–eclogite INTERNATIONAL GEOLOGY REVIEW N 14 o E 12 o...granulite, and other UHP rocks (garnet peridotite, and eclogite) recovered from boreholes T-7 and T-38 (50°28...grey gneiss unit, and (c) gneiss–eclogite unit. The gneiss–eclogite unit in the core of the Erzgebirge...identified in the SE and SW areas of the mica-schist–eclogite (Kotkova et al. 2011; Medaris et al. 2015). They |  | | Journal (article/letter/editorial) | | Song et al., 2005), the Western Gneiss Region, Norway (Dobrzhinetskaya et al., 1995; Vrijmoed et al....and C5–1) in zircon in an eclogite from the CE Western Gneiss Region, Norway: ―The fact that the diamond...strongly AC downshifted in both microinclusions at Straumen is considered to be especially important in favouring...samples containing UHP diamond from the Tromsø Nappe, Norway, and from Bohemia, Czech Republic, were unfortunately...metamorphic rocks of the Western gneiss region, AC Norway. Geology 23, 597–600. Dobrzhinetskaya, L.F., Green |  | | Journal (article/letter/editorial) | | MINERALS IN ECLOGITES FROM THE WESTERN GNEISS REGION, NORWAY 1. Petrology of the Oxide Microassemblages M I...minerals in eclogites from the Western Gneiss Region, Norway, 1. Petrology of the oxide microassemblages. In:...from ten different eclogite pods in the Western Gneiss Region of southern Norway have been examined by...ilmenite and rutile, as oxide phases stable in eclogite-facies parageneses in appropriate local bulk-rock...initial eclogite-facies equilibration; (f) further petrological evidence to distinguish the eclogite pods |  | Korsakov, Andrey V., Zhimulev, Egor I., Mikhailenko, Denis S., Demin, Sergey P., Kozmenko, Olga A. (2015) Graphite pseudomorphs after diamonds: An experimental study of graphite morphology and the role of H2O in the graphitisation process. Lithos, 236. 16-26 doi:10.1016/j.lithos.2015.08.012 | Journal (article/letter/editorial) | | the tromsø nappe, Scandinavian caledonides (N. Norway). Journal of Metamorphic Geology 31, 691–703. Katayama...Ogasawara, Y., 2000. Petrology of the diamond-grade eclogite in the Kokchetav Massif, northern Kazakhstan....disordered sp3carbon in the coesite-bearing straumen eclogite pod, Norway. Journal of Metamorphic Geology 31,...from Bardane on the island of Fjortoft, western Norway: evidence for diamond formation in mantle rocks...garnet peridotite, Western Gneiss Complex, Western Norway. Terra Nova 20, 295–301. Wang, X., Liou, J.G., |  | | Journal (article/letter/editorial) | | Smith et al., 2011); the Western Gneiss Region, Norway (Dobrzhinetskaya et al., 1995; van Roermund et...lawsonite–blueschist facies (Combin Zone) and eclogite facies (Zermatt–Saas Zone) Alpine metamorphic...(7) Coesite- eclogite and metasediment (Lago di Cignana Unit); (8) Zermatt–Saas Zone eclogite and metagabbro...comprise opaque phases, quartz/coesite, magnesite, dolomite, and rutile (Fig. 2b). Mineral inclusions have...common presence of carbonate inclusions (i.e., dolomite and magnesite) in spessartine, and the nature |  | Petrík, I., Janák, M., Froitzheim, N., Georgiev, N., Yoshida, K., Sasinková, V., Konečný, P., Milovská, S. (2016) Triassic to Early Jurassic (c. 200 Ma) UHP metamorphism in the Central Rhodopes: evidence from U-Pb-Th dating of monazite in diamond-bearing gneiss from Chepelare (Bulgaria) Journal of Metamorphic Geology, 34 (3) 265-291 doi:10.1111/jmg.12181 | Journal (article/letter/editorial) | | Thermobarometric evidence for UHPM comes from kyanite eclogite in the Pirin Mts. (Fig. 1), which has preserved...tendency of zircon to dissolve at the amphibolite/eclogite transition before UHPM, and its growth during...metamorphism in the Kechros-Byala Reka Dome reached eclogite facies and was overprinted by lower amphibolite...Ma from eclogite near Sidironero (Liati, 2005), Lu–Hf garnet ages of 45–42 Ma from eclogite at the northern...authors’ interpretation. Prograde metamorphism of eclogite from the Eastern Rhodopes was dated at c. 126 |
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