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Details for: Sigurdur Gislason


Sigurdur (Siggi) R. Gislason is a Research Professor at the Institute of Earth Sciences (IES), University of Iceland. He has been a member of the Institute since 1985. He received his PhD in geochemistry from the Johns Hopkins University in 1985, under the supervision of Hans P. Eugster. There he studied the fundamentals of thermodynamics and kinetics of water-rock interactions, applying both field observations and experiments in the laboratory. Over the past decades, Siggi’s research group at IES has focused on four fields, in chronological order: 1) field measurements of the chemical and physical erosion rates of basaltic terrains and their role in the global carbon cycle; 2) experimental quantification of the dissolution rates and mechanisms of volcanic glasses as a function of glass composition, aqueous solution composition and temperature; 3) assessing the environmental pressure from volcanic eruptions on surface waters, using both field observations and laboratory experiments; and 4) mineral storage of CO2 in basaltic rocks. This last research field has been within the CarbFix project, where natural analogues, laboratory experiments, reactive transport models, and large-scale field experiments have been applied to show that CO2 can be mineralised safely and rapidly. During the pilot project of the field phase, injected CO2 was mineralised within two years of injection into reactive basaltic rocks at 20-50°C. The CarbFix method for capturing and storing CO2, and gas mixtures such as CO2 and H2S, has now been taken to an industrial scale at the Hellisheidi geothermal power plant in Iceland.


(2017) Pollution from the 2014/15 Bárðarbunga Eruption Monitored by Snow Cores from Vatnajökull Glacier, Iceland
Galeczka I, Eiriksdottir ES, Pálsson F, Oelkers E, Lutz S, Benning LG, Stefánsson A, Gunnarsson Robin J, Ólafsdóttir R, Jónasdóttir EB & Gislason SR




(2016) Environmental Pressure from the 2014-15 Eruption of the Bardarbunga Volcano, Iceland
Gislason S, Eiriksdottir E, Galeczka I, Stefánsdóttir G, Pfeffer M, Barsotti S, Johannsson T, Bali E, Sigmarsson O, Stefansson A, Keller N, Sigurdsson A & Gudmundsson M

(2016) Mineral Storage of Gas Mixtures in Basalt
Gislason S, Gunnarsson I, Juliusson B, Clark D, Snæbjörnsdottir S, Aradottir E, Gunnlaugsson E, Sigfusson B, Stute M, Matter J, Broecker W, Arnarsson M, Dideriksen K, Olssen J & Oelkers E

(2015) Rapid Mineralisation of CO2 and CO2-H2S-H2-Gas Mixture at the CarbFix Site in SW-Iceland
Snæbjörnsdóttir SÓ, Mesfin K, Gunnarsson I, Aradóttir ES, Stute M, Matter JM, Oelkers EH, Dideriksen K, Stipp S & Gislason SR

(2015) The CarbFix-SulFix project: Mineral Storage of CO2/H2S Gas Mixtures in Basaltic Rocks
Clark DE, Gunnarsson I, Aradottir ES, Gunnlaugsson E, Juliusson BM, Matter JM, Stute M, Oelkers EH, Snaebjornsdottir SO & Gislason SR




(2015) Environmental Pressure from the 2014–15 Eruption of Bárðarbunga Volcano, Iceland
Gislason S, Stefansdottir G, Pfeffer M, Barsotti S, Jóhannsson T, Galeczka I, Bali E, Sigmarsson O, Stefansson A, Keller N, Sigurdsson A, Bergsson B, Galle B, Jacobo V, Arellano S, Aiuppa A, Eiriksdottir E, Jakobsson S, Gunnarsson H & Gudmundsson M


(2014) Impact of the Soil Weathering Degree on the Fate of Soil Organic Carbon, Fe and Si: Insights from Si and Fe Isotopes in Icelandic Soils
Opfergelt S, Williams H, Cornelis J-T, Van Hoye F, Guicharnaud R, Sigfusson B, Georg B, Siebert C, Gislason S, Halliday A & Burton K


(2013) Tracer Applications to Verify Carbon Mineralization in Icelandic Basalts
Stute M, Hall J, Matter J, Mesfin K, Gislason S, Sigfusson B, Gunnlaugsson E, Gunnarsson I, Aradottir E, Sigurdardottir H, Axelson G & Broecker W




(2013) Solubility and Mineral Storage of CO2 in Basalt
Gislason S, Oelkers E, Sigfusson B, Matter J, Stute M, Gunnlaugsson E, Gunnarssson I, Aradottir E, Sigurdardottir H, Mesfin K, Alfredsson H, Wolff-Boenisch D, Arnarsson M & Broecker W



(2012) Reactivity of Detrital Silicates and Carbon Storage in the Ocean Margins
Gislason S, Oelkers E, Jones M, Wolff-Boenisch D, Alfredsson H & Mesfin K


(2012) Field Evidence of Sr Exchange between Particulate Material and Seawater in Estuaries
Jones M, Gislason S, Burton K, Pearce C, Mavromatis V & Oelkers E

(2012) Calcite Nucleation and Growth on Basaltic Glass and Silicate Minerals
Stockmann GJ, Oelkers EH, Wolff-Boenisch D, Bovet N & Gislason SR


(2011) The Effect of Time and Climate on Volcanic Soil Formation
Gislason S, Eiriksdottir E, Alfredsson H, Sigfússon B, Jones M & Oelkers E

(2011) The Ash that Closed Europe’s Airspace: Part I, Grains Size Distribution of the Eyjafjallajökull Ash and Soluble Salt Coatings
Gislason S, Eiriksdottir E, Alfredsson H, Oskarsson N, Sigfússon B, Larssen G, Hassenkam T, Nedel S, Bouvet N, Hem C, Balogh Z, Dideriksen K & Stipp S





(2011) The Ash that Closed Europe’s Airspace: Part II, the Physical Aspects of the Eyjafjallajökull Ash (Geochemistry Fellow Presentation)
Stipp S, Hassenkam T, Nedel S, Bovet N, Hem C, Balogh Z, Dideriksen K, Eiriksdottir E, Alfredsson H, Oskarsson N, Sigfusson B, Larssen G & Gislason S


(2010) The Weathering of Basaltic Rocks and their Effect on Global Chemical Cycles
Oelkers E, Gislason S, Jones M, Pearce C, Eiriksdottir E & Gaillardet J

(2010) Mineral Seqestration of CO2 in Basalt – The CarbFix Project
Gislason S, Wolff-Boenisch D, Stefansson A, Alfredsson H, Oelkers E, Gunnlaugsson E, Sigurdardottir H, Sigfusson B, Aradottir E, Broecker W, Matter J, Stute M & Axelsson G




(2009) The Carbfix Project: Mineral CO2 Sequestration into Basalt
Gislason S, Broecker W, Oelkers E, Gunnlaugsson E, Sigurdardottir H, Stefansson A, Wolff-Boenisch D, Matter J, Stute M & Axelsson G








(2007) Stable and Radiogenic Isotope Variations Accompanying Continental Weathering
Burton K, Gannoun A, Georg B, Gislason S, James R, Pogge von Strandmann P, Mokadem F, Sigfusson B & Vigier N



(2007) Direct Evidence of the Feedback between Climate and Weathering
Gislason S, Oeklers E, Eiriksdottir E, Kardjilov M, Gisladottir G, Sigfusson B, Snorrason A, Elefsen S, Hardardottir J & Torssander P




(2005) The Effect of Climate, Vegetation, Rock Age, and Human Activity on Basalt Weathering Rates in NE-Iceland
Gislason S, Eiriksdottir E, Sigfusson B, Snorrason A, Elefsen S, Hardardottir J, Karjilov M, Oelkers E, Torssander P & Gisladottir G

(2004) River Water in NE Iceland: S Isotopes, Fe and Mn Concentrations
Torssander P, Gislason S, Eiriksdóttir E, Elefsen S, Mörth C & Snorrason Á

(2004) U-Series in Icelandic Rivers
Vigier N, Burton K, Gislason S, Rogers N & Hodge E













Committee member

Goldschmidt2019 Organising Committee: EAG President

Medal

Goldschmidt2018: 2018 Geochemical Fellows
Goldschmidt2018: C.C. Patterson Award

Session convener

Goldschmidt2019 - Session 08m: Wally Broecker: A Scientific Celebration of a Life in Geochemistry
Goldschmidt2015 - Session 13g: Geologic Carbon DIoxide Storage and Fixation

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