Fractional magma degassing at Holuhraun, Bardabunga volcanic system, Iceland ?
Pierre-J Gauthier
,
Séverine Moune
,
Olgeir Sigmarsson
EGU General Assembly , Apr 2019, Vienne, Austria
Poster communications
hal-02404323v1
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Trace element systematics of olivine from historical eruptions of Lanzarote, Canary Islands: Constraints on mantle source and melting mode
Alejandra Gómez-Ulla
,
Olgeir Sigmarsson
,
Gudmundur H. Gudfinnsson
Journal articles
hal-01639562v1
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Prolonged trachyte storage and unusual remobilization at Piton de la Fournaise, La Réunion Island, Indian Ocean: Li, O, Sr, Nd, Pb and Th Isotope study
Ivan Vlastélic
,
Patrick Bachèlery
,
Olgeir Sigmarsson
,
Kenneth T. Koga
,
Estelle F. Rose-Koga
,
et al.
Journal articles
hal-03267101v1
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Fractional degassing of S, Cl and F from basalt magma in the Bárðarbunga rift zone, Iceland
Olgeir Sigmarsson
,
Séverine Moune
,
Pierre-J Gauthier
Journal articles
hal-03001649v1
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Clinopyroxene-melt experiments of Holuhraun basalt, Iceland: implications for magma storage and transport in the crust
Didier Laporte
,
Olgeir Sigmarsson
,
Baptiste Haddadi
,
Antoine Mathieu
,
Franck Pointud
EGU General Assembly 2019 , Apr 2019, Vienne, Austria. Vol. 21, EGU2019-7077-1
Poster communications
hal-02527232v1
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Dynamic magma mixing revealed by the 2010 Eyjafjallajökull eruption
Olgeir Sigmarsson
,
Ivan Vlastélic
,
R. Andreasen
,
I. Bindeman
,
J.-L. Devidal
,
et al.
Journal articles
hal-00674051v1
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Could Iceland be a modern analogue for the Earth's early continental crust?
Erwan Martin
,
Hervé Martin
,
Olgeir Sigmarsson
Journal articles
hal-00381783v1
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New Thorium Isotope Ratio Measurements in Silicate Reference Materials: A-THO, AGV-2, BCR-2, BE-N, BHVO-2 and BIR-1
Marion Carpentier
,
Abdelmouhcine Gannoun
,
Christian Pin
,
Olgeir Sigmarsson
Journal articles
istex
hal-01637080v1
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Low-pressure differentiation of tholeiitic lavas as recorded in segregation veins from Reykjanes (Iceland), Lanzarote (Canary Islands) and Masaya (Nicaragua)
Erwan Martin
,
Olgeir Sigmarsson
Journal articles
istex
hal-00330441v1
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Detrital zircon resolve longevity and evolution of silicic magmatism in extinct volcanic centers: A case study from the East Fjords of Iceland
T.L. Carley
,
C.F. Miller
,
O. Sigmarsson
,
M.A. Coble
,
C.M. Fisher
,
et al.
Journal articles
hal-01713319v1
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Influence of tectonism on the composition of acid and basaltic lava
Olgeir Sigmarsson
Iceland in the Central Northern Atlantic : hotspot, sea currents and climate change , May 2010, Plouzané, France
Conference papers
hal-00482056v1
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Trace element degassing and enrichment in the eruptive plume of the 2000 eruption of Hekla volcano, Iceland
Séverine Moune
,
Pierre-Jean Gauthier
,
S.R. Gislason
,
Olgeir Sigmarsson
Geochimica et Cosmochimica Acta , 2006, 70 (2), pp.461-479
Journal articles
hal-00272134v1
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Geochemistry of Igneous Rocks in Iceland: a review
Olgeir Sigmarsson
,
J. Maclennan
,
M. Carpentier
Jökull , 2008, 58, pp.139 à 160
Journal articles
insu-00354561v1
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Origin of Icelandic basalts: a review of their petrology and geochemistry.
Olgeir Sigmarsson
,
S. Steinthorsson
Journal articles
istex
hal-00272294v1
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Comment on "Continental geochemical signatures in dacites from Iceland and implications for models of early Archaean crust formation" by Willbold, M., Hegner, E., Stracke A. and Rocholl A.
Erwan Martin
,
H. Martin
,
Olgeir Sigmarsson
Journal articles
istex
hal-00635420v1
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Remobilization of silicic intrusion by mafic magmas during the 2010 Eyjafjallajökull eruption
Olgeir Sigmarsson
,
Ivan Vlastélic
,
R. Andreasen
,
I. Bindeman
,
Jean-Luc Devidal
,
et al.
Journal articles
insu-02949513v1
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The sulfur budget of the 2011 Grímsvötn eruption, Iceland
Olgeir Sigmarsson
,
Baptiste Haddadi
,
Simon Carn
,
Séverine Moune
,
Jonas Gudnason
,
et al.
Journal articles
hal-00992831v1
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Excess Po-210 in 2010 Eyjatjallajokull tephra (Iceland): Evidence for pre-eruptive gas accumulation
Olgeir Sigmarsson
,
Michel Condomines
,
Pierre-Jean Gauthier
Journal articles
hal-01217142v1
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Temporal variations in the diversity of primitive melts supplied to the Santorini silicic magmatic system and links to lithospheric stresses
T. Flaherty
,
Timothy H. Druitt
,
L. Francalanci
,
Pierre Schiano
,
Olgeir Sigmarsson
Journal articles
insu-03777183v1
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Magma storage beneath Grímsvötn volcano, Iceland, constrained by clinopyroxene-melt thermobarometry and volatiles in melt inclusions and groundmass glass
B. Haddadi
,
O. Sigmarsson
,
G. Larsen
Journal articles
hal-01713309v1
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Holocene volcanic activity at Grímsvötn, Bárdarbunga and Kverkfjöll subglacial centres beneath Vatnajökull, Iceland
Bergrun Oladottir
,
G. Larsen
,
Olgeir Sigmarsson
Journal articles
istex
hal-00683312v1
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Elevated CO2 concentrations and volatile-trace element ratios suggest carbon-rich fluid flux melting under Lanzarote, Canary Islands
Alejandra Gómez-Ulla
,
Marie Edmonds
,
Olgeir Sigmarsson
EGU General Assembly 2019 , Apr 2019, Vienne, Austria.
, Vol. 21 (EGU2019-7197), Geophysical Research Abstracts
Poster communications
hal-02527240v1
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Depth of magma differentiation before the Holuhraun eruption, Bárdarbunga (Iceland), constraint by trace element systematics
Olgeir Sigmarsson
EGU General Assembly 2019 , https://www.egu2019.eu/, Apr 2019, Vienne, Austria
Conference papers
hal-02527271v1
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Gradual caldera collapse at Bárdarbunga volcano, Iceland, regulated by lateral magma outflow
Magnús Gudmundsson
,
Kristín Jónsdóttir
,
Andrew Hooper
,
Eoghan P. Holohan
,
Sæmundur A. Halldórsson
,
et al.
Journal articles
hal-01637368v1
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Gliðnunarhraði Íslands metinn með aldursgreiningum á megineldstöðvum Austurlands
O. Sigmarsson
,
Erwan Martin
,
Jean-Louis Paquette
,
Valérie Bosse
,
K. Geirsson
Náttúrufræðingurinn , 2012, 82 ((1-4)), pp.105-111
Journal articles
hal-01437872v1
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Volume estimates of nine Katla tephra layers (similar to 1860 BC-870 AD)
Bergrún Arna Óladóttir
,
G. Larsen
,
Olgeir Sigmarsson
Jökull , 2014, 63, pp.23-40
Journal articles
hal-02109166v1
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Environmental pressure from the 2014–15 eruption of Bárðarbunga volcano, Iceland
S.R. Gislason
,
G. Stefánsdóttir
,
M.A. Pfeffer
,
S. Barsotti
,
T. Jóhannsson
,
et al.
Journal articles
hal-02115370v1
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Delimiting Baroarbunga and Askja volcanic systems with Sr- and Nd-isotope ratios
Olgeir Sigmarsson
,
S.A. Halldórsson
Jökull , 2015, 65, pp.17-28
Journal articles
hal-02115023v1
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L'éruption sur la péninsule de Reykjanes, Islande, directement alimentée par la fonte de l'asthénosphère
Olgeir Sigmarsson
,
Sæmundur Halldórsson
,
Enikö Bali
,
Jóhann Gunnarsson Robin
,
Alberto Caracciolo
,
et al.
27e édition de la Réunion des Sciences de la Terre , SGF, CNRS, Laboratoire de Géologie de Lyon ou l’étude de la Terre, des planètes et de l’environnement, Nov 2021, Lyon, France
Conference papers
hal-03588001v1
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The historical basanite - alkali basalt - tholeiite suite at Lanzarote, Canary Islands: Carbonated melts of heterogeneous mantle source?
Alejandra Gómez-Ulla
,
Olgeir Sigmarsson
,
María José Huertas
,
Jean-Luc Devidal
,
Eumenio Ancochea
Journal articles
hal-01862142v1
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