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Browsing by Author "Jónasson, Kristján"

Browsing by Author "Jónasson, Kristján"

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  • Prause, Simon; Weisenberger, Tobias Björn; Cappelletti, Piergiulio; Grimaldi, Carla; Rispoli, Concetta; Jónasson, Kristján; Jackson, Marie D.; Gudmundsson, Magnus Tumi (Elsevier BV, 2020-02-15)
    The evolution of hydrothermal alteration in glassy and variably palagonitized tuff, erupted as tephra in 1963 – 1964 on Surtsey, an island built in the offshore extension of Iceland’s southeast rift zone, is documented through a comparative petrographic ...
  • Clausen, M.; Jónasson, Kristján; Keil, T.; Beyer, K.; Sigurdardottir, Sigurveig T (Wiley, 2018-01-31)
    Background Consumption of oily fish or fish oil during pregnancy, lactation and infancy has been linked to a reduction in the development of allergic diseases in childhood. Methods In an observational study, Icelandic children (n = 1304) were ...
  • Gudmundsson, Magnus Tumi; Jónsdóttir, Kristín; Hooper, Andrew; Holohan, Eoghan P.; Halldorsson, Saemundur; Ofeigsson, Benedikt Gunnar; Cesca, Simone; Vogfjörð, Kristín S.; Sigmundsson, Freysteinn; Högnadóttir, Thórdís; Einarsson, Páll; Sigmarsson, Olgeir; Jarosch, Alexander H.; Jónasson, Kristján; Magnússon, Eyjólfur; Hreinsdóttir, Sigrún; Bagnardi, Marco; Parks, Michelle M.; Hjorleifsdottir, Vala; Pálsson, Finnur; Walter, Thomas R.; Schöpfer, Martin P. J.; Heimann, Sebastian; Reynolds, Hannah Iona; Dumont, Stéphanie; Bali, Eniko; Guðfinnsson, Guðmundur; Dahm, Torsten; Roberts, Matthew J.; Hensch, Martin; Belart, Joaquín M. C.; Spaans, Karsten; Jakobsson, Sigurður; Guðmundsson, Gunnar B.; Fridriksdóttir, Hildur María; Drouin, Vincent; Dürig, Tobias; Adalgeirsdottir, Gudfinna; Riishuus, Morten; Pedersen, Gro; van Boeckel, Tayo; Oddsson, Björn; Pfeffer, Melissa A.; Barsotti, Sara; Bergsson, Baldur; Donovan, Amy; Burton, Mike R.; Aiuppa, Alessandro (American Association for the Advancement of Science (AAAS), 2016-07-14)
    Large volcanic eruptions on Earth commonly occur with a collapse of the roof of a crustal magma reservoir, forming a caldera. Only a few such collapses occur per century, and the lack of detailed observations has obscured insight into the mechanical ...
  • Kleine, Barbara Irene; Stefansson, Andri; Halldórsson, Sæmundur Ari; Whitehouse, M.J.; Jónasson, Kristján (European Association of Geochemistry, 2018-04)
    Quartz formation processes in the Icelandic crust were assessed using coupled δ18O and δ30Si systematics of silica deposits formed over a wide temperature range (<150 to >550 °C). Magmatic quartz reveals δ18O (-5.6 to +6.6 ‰) and δ30Si (-0.4 ± 0.2 ‰) ...
  • Jackson, Marie D.; Gudmundsson, Magnus Tumi; Weisenberger, Tobias B.; Rhodes, J. Michael; Stefansson, Andri; Kleine, Barbara Irene; Lippert, Peter C.; Marquardt, Joshua M.; Reynolds, Hannah Iona; Kück, Jochem; Marteinsson, Viggó; Vannier, Pauline; Bach, Wolfgang; Barich, Amel; Bergsten, Pauline; Bryce, Julia G.; Cappelletti, Piergiulio; Couper, Samantha; Fahnestock, M. Florencia; Gorny, Carolyn F.; Grimaldi, Carla; Groh, Marco; Guðmundsson, Ágúst; Gunnlaugsson, Ágúst T.; Hamlin, Cédric; Högnadóttir, Thórdís; Jónasson, Kristján; Jónsson, Sigurður S.; Jørgensen, Steffen L.; Klonowski, Alexandra M.; Marshall, Beau; Massey, Erica; McPhie, Jocelyn; Moore, James G.; Olafsson, Einar Sindri; Onstad, Solveig L.; Perez, Velveth; Prause, Simon; Snorrason, Snorri P.; Türke, Andreas; White, James D. L.; Zimanowski, Bernd (Copernicus GmbH, 2019-06-12)
    The 2017 Surtsey Underwater volcanic System for Thermophiles, Alteration processes and INnovative concretes (SUSTAIN) drilling project at Surtsey volcano, sponsored in part by the International Continental Scientific Drilling Program (ICDP), provides ...