 | | Corporate Document | | Katla Geopark Project is in the central South Iceland, reaching from the south coast to the north into...area stretches from the town Hvolsvöllur to the glacier Skeiðarárjökull in the east. The Katla Geopark...which is one of the most volcanic active areas in Iceland. The geographic region is characteristic with central...Eyjafjallajökull volcano(~80 km2) and a small glacier (~11 km2), within the Tindfjallajökull volcano...and the ice sheet of Vatnajökull. In connection with the glaciers are several glacier outlets, like Steinholtsjökull |  | | Journal (article/letter/editorial) | | zoning and U-series disequilibria in the Laki and Grímsvötn volcanic system Ilya N. Bindeman a,⁎, Olgeir Sigmarsson...Earth Science Institute, University of Iceland, 101 Reykjavik, Iceland Geological and Planetary Sciences,...Abstract The 1783–1784 AD fissure eruption of Laki (Iceland) produced 15 km3 of homogeneous basaltic lavas...centuries and as late as in November 2004 from the Grímsvötn central volcano, which together with Laki are...have not been described in any other unaltered basalt. The energy constrained mass balance calculation |  | Halldórsson, Sæmundur A., Bali, Enikő, Hartley, Margaret E., Neave, David A., Peate, David W., Guðfinnsson, Guðmundur H., Bindeman, Ilya, Whitehouse, Martin J., Riishuus, Morten S., Pedersen, Gro B. M., Jakobsson, Sigurður, Askew, Rob, Gallagher, Catherine R., Guðmundsdóttir, Esther R., Gudnason, Jónas, Moreland, William M., Óskarsson, Birgir V., Nikkola, Paavo, Reynolds, Hannah I., Schmith, Johanne, Thordarson, Thorvaldur (2018) Petrology and geochemistry of the 2014–2015 Holuhraun eruption, central Iceland: compositional and mineralogical characteristics, temporal variability and magma storage. Contributions to Mineralogy and Petrology, 173 (8) doi:10.1007/s00410-018-1487-9 | Journal (article/letter/editorial) | | geochemistry of the 2014–2015 Holuhraun eruption, central Iceland: compositional and mineralogical characteristics...isotopic characterization of magmatic sulfides from Iceland. In conjunction with a unique set of geophysical...at mid- to lower-crustal conditions. Keywords Iceland · Volcanic eruptions · Petrology · Geochemistry...Observations of subaerial rifting episodes, both in Iceland and East Africa, have transformed our understanding...models developed on the basis of observations in Iceland (e.g., Hartley et al. 2018) have therefore been |  | | Journal (article/letter/editorial) | | Earth Sciences, University of Iceland, Sturlugata 7, 101 Reykjavík, Iceland Fluids and Volatiles Laboratory...Figures: 10 Number of Tables: 2 AC KEY WORDS: Iceland, helium isotopes, mantle, tectonics, isoscape ...database of all available helium isotope data from Iceland. The new dataset SC RI PT reveals an exceptionally...exceptionally high 3He/4He ratio from a phyric lava in NW-Iceland (47.5 RA, where RA is the 3He/4He ratio of air)...representative helium isotope ratios for all parts of Iceland, including off-rift regions. The results show that |  | Stevenson, John Alexander, Loughlin, Susan C, Font, Anna, Fuller, Gary W, MacLeod, Alison, Oliver, Ian W, Jackson, Ben, Horwell, Claire J, Thordarson, Thor, Dawson, Ian (2013) UK monitoring and deposition of tephra from the May 2011 eruption of Grímsvötn, Iceland. Journal of Applied Volcanology, 2. doi:10.1186/2191-5040-2-3 | Journal (article/letter/editorial) | | deposition of tephra from the May 2011 eruption of Grímsvötn, Iceland John Alexander Stevenson1* , Susan C Loughlin2...May 2011 explosive basaltic eruption of Grímsvötn volcano, Iceland. Tephra was detected in the UK with tape-on-paper...comparison, mapping and dating of deposits in Iceland, combined with analysis of written records, finds...Icelandic tephra deposition in Europe. The May 2011 Grímsvötn eruption was shorter-lived but more powerful than...series of low pressure systems to the south of Iceland that caused rainfall and rapid variations in wind |  | | Journal (article/letter/editorial) | | melts in the Eastern Volcanic Zone of Iceland: the 10 ka Grímsvötn tephra series (i.e. the Saksunarvatn...the 10 ka Grímsvötn tephra series (i.e. Saksunarvatn ash) at Lake Hvítárvatn in central Iceland. In the...wt%) within the Eastern Volcanic Zone (EVZ) of Iceland, these crystal and inclusion compositions provide...confirming the affinity of the tephra series with the Grímsvötn volcanic system. Macrocrysts can be divided into...Sciences, University of Iceland, Askja, Sturlugata 7, 101 Reykjavík, Iceland 3 School of Earth, Atmospheric |  | Caracciolo, Alberto, Bali, Enikő, Guðfinnsson, Guðmundur H., Kahl, Maren, Halldórsson, Sæmundur A., Hartley, Margaret E., Gunnarsson, Haraldur (2020) Temporal evolution of magma and crystal mush storage conditions in the Bárðarbunga-Veiðivötn volcanic system, Iceland. Lithos, 352. 105234 doi:10.1016/j.lithos.2019.105234 | Journal (article/letter/editorial) | | in the Bárðarbunga-Veiðivötn volcanic system, Iceland Alberto Caracciolo, Enikő Bali, Guðmundur H. Guðfinnsson...in the Bárðarbunga-Veiðivötn volcanic system, Iceland, LITHOS, https://doi.org/10.1016/j.lithos.2019...the 2 Bárðarbunga-Veiðivötn volcanic system, Iceland 3 4 Alberto Caracciolo1,2, Enikő Bali1,2, Guðmundur...Earth Sciences, University of Iceland, Sturlugata 7, 101 Reykjavík, Iceland. (2) Faculty of Earth Sciences...Sciences, University of Iceland, Sturlugata 7, 101 Reykjavík, Iceland. 10 (3) Institut für Geowissenschaften |  | | Journal (article/letter/editorial) | | Available online xxxx Editor: P. Shearer Keywords: Iceland ambient noise tomography seismic structure spreading...understood from marine seismic experiments. In Iceland, however, sub-aerial rift elevation allows both...to image the volcanic spreading centres across Iceland. Our high resolution model images a continuous...parallelling all three segments of the branched rift in Iceland. The upper 10 km contains strong velocity variations...above the centre of the mantle plume under the Vatnajökull icecap, and in the Eastern Volcanic Zone under |  | White, Robert S., Edmonds, Marie, Maclennan, John, Greenfield, Tim, Agustsdottir, Thorbjorg (2019) Melt movement through the Icelandic crust. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 377 (2139) 20180010 doi:10.1098/rsta.2018.0010 | Journal (article/letter/editorial) | | volcanology, petrology Keywords: basaltic melt, Iceland, seismology, carbon dioxide, geobarometry, rifts...movement of melt through the volcanic crust of Iceland. We have captured melt in the act of moving within...some fractionation or chemical equilibration. Iceland is particularly useful for mapping microearthquakes...boundary under the neovolcanic zones that traverse Iceland occurs at a shallow depth of only 6–8 km below...LP earthquakes deeper than the upper crust in Iceland, although they do occur associated with melt in |  | | Journal (issue) | | grotendeels in 1996 na een vulkaanuitbarsting onder de Vatnajökull, de grootste ijskap van IJsland. Boosdoeners...Boosdoeners van dienst waren de vulkanen Bárðarbunga en Grímsvötn, beide verscholen onder een dik pak ijs, in het...het noordwestelijke deel van de Vatnajökull. Het smeltwater van de eruptie liep in eerste instantie naar...Snel even gegoogeld met de termen “eruption” en “Iceland” … en jawel ! Het bleek om de Bárðarbunga te gaan...Verdorie, was dat niet die vulkaan onder de Vatnajökull? Vreemd hoe veraf gelegen plaatsen plots in de |  | | Journal (article/letter/editorial) | | barometers have been applied to rift zone magmas from Iceland, where published estimates of magma storage depths...highly primitive Borgarhraun eruption in north Iceland record a mean storage pressure in the lower crust...Thermobarometry, clinopyroxene-liquid equilibria, Iceland, magma plumbing Introduction Clinopyroxene-liquid...on-axis Northern Volcanic Zone (NVZ) of Northern Iceland indicate that clinopyroxene crystallization occurred...the products of the 1783–1784 Laki and 10 ka Grímsvötn tephra series eruptions from the on-axis portion |  | Wynn, Peter M., Morrell, David J., Tuffen, Hugh, Barker, Philip, Tweed, Fiona S., Burns, Rebecca (2015) Seasonal release of anoxic geothermal meltwater from the Katla volcanic system at Sólheimajökull, Iceland. Chemical Geology, 396. 228-238 doi:10.1016/j.chemgeo.2014.12.026 | Journal (article/letter/editorial) | | from the Katla volcanic system at Sólheimajökull, Iceland Peter M. Wynn a,⁎, David J. Morrell a, Hugh Tuffen...January 2015 Editor: Michael E. Böttcher Keywords: Iceland Mýrdalsjökull Sólheimajökull Geothermal water Glacial...samples discharged from Sólheimajökull, a valley glacier of Mýrdalsjökull, between 2009 and 2012. Dual isotopic...δ18OSO4 signatures indicate redox conditions at the glacier bed, which are inverse to those normally encountered...geothermal activity at Sólheimajökull, Iceland, an outlet glacier from the Mýrdalsjökull ice cap, which |  | Bali, E., Hartley, M. E., Halldórsson, S. A., Gudfinnsson, G. H., Jakobsson, S. (2018) Melt inclusion constraints on volatile systematics and degassing history of the 2014–2015 Holuhraun eruption, Iceland. Contributions to Mineralogy and Petrology, 173 (2) doi:10.1007/s00410-017-1434-1 | Journal (article/letter/editorial) | | degassing history of the 2014–2015 Holuhraun eruption, Iceland E. Bali1 · M. E. Hartley2 · S. A. Halldórsson1...Holuhraun eruption of the Bárðarbunga volcanic system, Iceland. Based on the ratios of magmatic volatiles to similarly...incorporation of meteoric water. Keywords Degassing · Iceland · Holuhraun 2014–2015 · Melt inclusion · Mantle...Institute of Earth Sciences, University of Iceland, 107 Reykjavík, Iceland 2 School of Earth and Environmental...Jones et al. 2016). For example, the large flood basalt eruption of Laki in 1783–1784 AD is thought to |  | Montanaro, Cristian, Scheu, Bettina, Gudmundsson, Magnus Tumi, Vogfjörd, Kristín, Reynolds, Hannah Iona, Dürig, Tobias, Strehlow, Karen, Rott, Stefanie, Reuschlé, Thierry, Dingwell, Donald Bruce (2016) Multidisciplinary constraints of hydrothermal explosions based on the 2013 Gengissig lake events, Kverkfjöll volcano, Iceland. Earth and Planetary Science Letters, 434. 308-319 doi:10.1016/j.epsl.2015.11.043 | Journal (article/letter/editorial) | | 2013 Gengissig lake events, Kverkfjöll volcano, Iceland Cristian Montanaro a,∗ , Bettina Scheu a , Magnus...Earth Sciences, University of Iceland, Sturlugata 7, IS-101 Reykjavik, Iceland c Icelandic Meteorological...Meteorological Office, 150 Reykjavík, Iceland d School of Earth Sciences, University of Bristol, Wills Memorial Building...Kverkfjöll, a central volcano at the northern edge of Vatnajökull. On August 15th 2013, a small jökulhlaup occurred...occurring on August 16th, 2013 at Kverkfjöll, Iceland. These explosions were associated with a sudden |  | Hartley, Margaret E., Bali, Enikö, Maclennan, John, Neave, David A., Halldórsson, Sæmundur A. (2018) Melt inclusion constraints on petrogenesis of the 2014–2015 Holuhraun eruption, Iceland. Contributions to Mineralogy and Petrology, 173 (2) doi:10.1007/s00410-017-1435-0 | Journal (article/letter/editorial) | | petrogenesis of the 2014–2015 Holuhraun eruption, Iceland Margaret E. Hartley1 · Enikö Bali2 · John Maclennan3...on the Bárðarbunga volcanic system in central Iceland, was one of the best-monitored basaltic fissure...data in volcanically active regions. Keywords Iceland · Holuhraun · Melt inclusions · Crystallization...Institute of Earth Sciences, University of Iceland, Reykjavík, Iceland 3 Department of Earth Sciences, University...within the Bárðarbunga volcanic system in central Iceland began on 29 August 2014 and, with the exception |  | | Report (issue) | | Holocene floods along Jökulsá á Fjöllum, north Iceland R.B. Waitt Glacial outwash floods 55 November...1996 jökulhlaup on Skeibarársandur outwash plain, Iceland Á. Snorrason, P. Jónsson, O. SigurBsson, S. Pálsson... Víkingsson and I. Kaldal 67 The effects of glacier-outburst flood flow dynamics on ice-contact deposits:...deposits: November 1996 jökulhlaup, Skeibarársandur, Iceland A.J. Russell and Ó. Knudsen 85 Formation of ice-block...November 1996 glacier-outburst flood ( jökulhlaup), Skeibarársandur, southern Iceland H. Fay 99 A large-scale |  | | Journal (article/letter/editorial) | | their rates in the Torfajökull–Veidivötn area, Iceland G.F. Zellmer a,b,⁎, K.H. Rubin a, K. Grönvold c...Volcanological Institute, University of Iceland, IS-101, Reykjavik, Iceland a r t i c l e i n f o Article...swarm in southeastern Iceland provide clues about the nature and timing of basalt and rhyolite petrogenesis...timescales and limited compositional variation in the basalt and rhyolite magma sources. Rhyolites display the...volcanism have produced a thick basaltic crust in Iceland, contributing to one of few examples of extensive |  | | Journal (article/letter/editorial) | | use the Snæfellsjökull volcanic system, Western Iceland to evaluate pressure differences in the volcanic...with temperature, especially above 600 ◦ C (e.g., basalt: Violay et al., 2012; andesite: Smith et al., 2009;...scenario: the Snæfellsjoküll volcanic system, Iceland, whose ice cap is thinning at a rate of 1.25 m/yr...describe how we sampled lithologies representative of Iceland. Next, we describe our experiments to characterise...(Fig. 1). Samples comprise hydrothermally altered basalt with clinopyroxene (augite) and plagioclase phenocrysts |  | | Report (chapter) | | volcanic system in the Eastern Volcanic Zone in south Iceland. The average age of FMAZ IV from four independent...North Atlantic region originate from eruptions on Iceland, which is one of the most active volcanic areas...shards. The ash was transported southward from Iceland by ice-rafting by icebergs as far south as 458N...the source is the Grı́msvötn system on south Iceland (Wastegård et al. 2006). For this study we targeted...volcanic system in the Eastern Volcanic Zone in south Iceland. The FMAZ IV tephra dates to c. 44 000 14 C years |  | | Book | | GeoGuide Wolfgang Fraedrich · Neli Heidari Iceland from the West to the South GeoGuide Series editors...com/series/11638 Wolfgang Fraedrich Neli Heidari Iceland from the West to the South 123 Wolfgang Fraedrich...who experienced the fascinating landscapes of Iceland, are delighted by the diversity and the beauty...always exceed 20 °C, still everyone travelling to Iceland is well prepared for that. Iceland’s summers with... we aim at raising the interest for a trip to Iceland and experiencing natural beauties in all its detail |  | Di Napoli, Rossella, Aiuppa, Alessandro, Bergsson, Baldur, Ilyinskaya, Evgenia, Pfeffer, Melissa Anne, Guðjónsdóttir, Sylvía Rakel, Valenza, Mariano (2016) Reaction path models of magmatic gas scrubbing. Chemical Geology, 420. 251-269 doi:10.1016/j.chemgeo.2015.11.024 | Journal (article/letter/editorial) | | IMO, Reykjavík, Iceland d British Geological Survey, BGS, Nottingham, UK e Iceland GeoSurvey, ÍSOR,... Reykjavík, Iceland b c a r t i c l e i n f o Article history: Received 28 July 2015 Received in revised...Gas-water-rock interaction EQ3/6 Hydrothermal systems Iceland a b s t r a c t Gas–water–rock reactions taking...conditions relevant to Icelandic volcanism. We focus on Iceland as an example of a “wet” volcanic region where...natural thermal waters and reservoir fluids from Iceland. We additionally show that the composition of the |  | | Journal (article/letter/editorial) | | and groundmass plagioclase (L < 150 mm) in our basalt samples appear with multiple aspect ratios, while...Plagioclase, crystal size distributions, aspect ratio, basalt, textural analysis, crystallization kinetics, automated...fissure eruptions in the Eastern Volcanic Zone of Iceland lasted from June 8, 1783, to February 7, 1784,...the fissure system propagated northeast toward Grímsvötn, followed by the first eruptive episode in June...opposing degrees of vesiculated, micro-porphyritic basalt from both the first and second halves of the eight-month |  | | Journal (article/letter/editorial) | | 145, and 65 m. The timing and location of the glacier impounding the deepest lakes are uncertain but...but at its maximum, the Tengis outlet glacier was likely capable of impounding the 175 m lake. The dating...support this finding. During MIS 2 the Tengis glacier was large enough to impound at least the 145 m... Additionally, the end moraines of the Tengis glacier, separated from the deeply eroded lateral moraines...undated; therefore it is uncertain exactly when this glacier crossed the river. This review is part I of a two-part |  | | Report (issue) | | and (D) subglacial eruption—1996 Gjálp, Vatnajökull, Iceland. Figure 2. Evidence of modern and ancient...civilization is the apparent temporal coincidence of flood basalt eruptions with mass extinctions, in that all major...extinction events in the past 300 Ma have flood basalt eruptions occurring at the same time (Rampino and...climate (Thordarson et al., this volume). Flood-basalt provinces are scattered across the Earth, but make...well-preserved and wellexposed continental flood-basalt provinces are known with traces of many older flood |  | Hartley, Margaret E., Morgan, Daniel J., Maclennan, John, Edmonds, Marie, Thordarson, Thor (2016) Tracking timescales of short-term precursors to large basaltic fissure eruptions through Fe–Mg diffusion in olivine. Earth and Planetary Science Letters, 439. 58-70 doi:10.1016/j.epsl.2016.01.018 | Journal (article/letter/editorial) | | Earth Sciences, University of Iceland, Sturlugata 7, 101 Reykjavík, Iceland b a r t i c l e i n f o Article...olivine diffusion crystal mush CO2 outgassing Laki Iceland a b s t r a c t Petrological constraints on the...of strong and frequent earthquakes in southeast Iceland, which we interpret as being associated with mush...forecast the onset of future large eruptions, both in Iceland and further afield. Crown Copyright © 2016 Published...monitoring techniques. One such region is the Laki– Grímsvötn system on Iceland’s Eastern Volcanic Zone (EVZ) |
|
