 | | 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...element composition calls for an origin of the Laki–Grímsvötn quartz tholeiitic basaltic melts with δ18O = 3 |  | 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 |  | 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) | | 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 |  | 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...shows the location within the active rift zone of Iceland. NVZ Northern Volcanic Zone, EVZ Eastern Volcanic |  | | 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...experiments and estimates from olivine-plagioclase-augite-melt (OPAM) boundary barometry (Yang et al. 1996; |  | 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 |  | 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...melts in the mid-crust. Using olivine–plagioclase–augite–melt (OPAM) barometry, we calculate that the Holuhraun...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 |  | | Journal (article/letter/editorial) | | use the Snæfellsjökull volcanic system, Western Iceland to evaluate pressure differences in the volcanic...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...hydrothermally altered basalt with clinopyroxene (augite) and plagioclase phenocrysts in a finegrained crystalline...(Björnsson and Pálsson, 2008). However, estimates for glacier thickness during the last glacial maximum vary |  | Potere, Davide, Scisciani, Vittorio, Piochi, Monica, Pierantoni, Pietro Paolo, Mormone, Angela, Nazzari, Manuela, Scarlato, Piergiorgio, Iezzi, Gianluca (2022) The Volcanic-Rich Layer of the “Camporotondo (Marche, Italy)” Section: Petrography and Sedimentation of an Unknown Distal Messinian Eruption. Minerals, 12 (7) 893 doi:10.3390/min12070893 | Journal (article/letter/editorial) | | (f) roundness 15 frequency comparison from the Grímsvötn-2011 fallout, sample G6 (60 kms from the vent)...vent) in 59. All frequency are comparison from Grímsvötn-2011 G6at(60 kms from the vent) in 59. All parameters...rounded than pristine tephras reported for the Grímsvötn-2011 fallout [79] at tens of km from its source...S7: Micro-chemical composition of a Dumfriesshire augite from the Micro-Analysis Consultant, run as a standard...and Holocene marine shelf sediments off North Iceland. J. Quat. Sci. 2011, 26, 589–602. [CrossRef] Manville |  | | Journal (article/letter/editorial) | | evolution in the magmatic system of Hekla volcano, Iceland Séverine Moune a,⁎, Olgeir Sigmarsson a,b , Thorvaldur...Institute of Earth Sciences, University of Iceland, 101 Reykjavik, Iceland c School of GeoSciences, University...concentrations in magma from the Hekla volcano in Iceland based on MIs in recent basalts and basaltic icelandites...few hot spot volcanoes studied so far [5,12]. In Iceland, estimates of S and also Cl and F degassing for...located in the southern part of Iceland at the intersection of the South Iceland Fracture Zone and the Eastern |  | | Journal (article/letter/editorial) | | silica-rich glass. Scale bar is 5 micrometers. ing augite, olivine, and a mesotasis with feldspar, phosphates...suggested subglacial volcanic features observed in Iceland (i.e. table mountains and moberg ridges) as possible...interactions observed in Iceland that could also exist on Mars. The Grímsvötn geothermal area located...located on the Vatnajökull Glacier, boasts a network of active subglacial volcanoes and fissures. The extensive...jökulhlaup (glacial outflood) events in the Vatnajökull region [7]. In addition, pseudocraters (or “rootless |  | Laeger, Kathrin, Petrelli, Maurizio, Andronico, Daniele, Misiti, Valeria, Scarlato, Piergiorgio, Cimarelli, Corrado, Taddeucci, Jacopo, del Bello, Elisabetta, Perugini, Diego (2017) High-resolution geochemistry of volcanic ash highlights complex magma dynamics during the Eyjafjallajökull 2010 eruption. American Mineralogist, 102 (6) 1173-1186 doi:10.2138/am-2017-5860 | Journal (article/letter/editorial) | | April to May 2010 eruption of Eyjafjallajökull (Iceland) volcano was characterized by a large compositional...Eyjafjallajökull rises 1666 m a.s.l. on the south coast of Iceland. It is located around 30 km to the southeast of...Hvolsvöllur and 15 km to the west of the Mýrdalsjökull glacier and Katla volcano (Fig. 1). EFJ volcano belongs...137041 (Ca, σ = 0.03; Jarosewich et al. 1980), augite NMNH 122142 (Mg, σ = 0.04; Fe, σ = 0.02; Jarosewich...of the 2010 Eyjafjallajökull summit eruption (Iceland) provided by volcanic ash textures. Earth and Planetary |  | Yu, Song-Yue, Shen, Neng-Ping, Song, Xie-Yan, Ripley, Edward M., Li, Chusi, Chen, Lie-Meng (2017) An integrated chemical and oxygen isotopic study of primitive olivine grains in picrites from the Emeishan Large Igneous Province, SW China: Evidence for oxygen isotope heterogeneity in mantle sources. Geochimica et Cosmochimica Acta, 215. 263-276 doi:10.1016/j.gca.2017.08.007 | Journal (article/letter/editorial) | | variable sizes (0.2-3 mm in diameter) and minor augite phenocrysts 7 Oxygen isotopes of Emeishan Picrites...crystals in large volume Holocene basalts from Iceland: Evidence for magmatic digestion and erosion of...zoning and U-series disequilibria in the Laki and Grímsvötn volcanic system. Earth Planet. Sci. Lett. 245...recycled and strongly depleted component in the Iceland mantle plume. Earth Planet. Sci. Lett. 194, 259─275...analytical spot for oxygen isotopes. Ol = olivine, Aug = augite, Chl = chlorite, Ids = iddingsite, Chr = chromite |  | | Journal (article/letter/editorial) | | equilibria mantle heterogeneity geochemical variability Iceland MORB a b s t r a c t The chemistry of erupted...primitive lavas from the Reykjanes Peninsula of Iceland at realistic magma storage conditions (300 MPa...We combine our experimental observations from Iceland with thermodynamic simulations on midocean ridge...from densely sampled regions such as Hawaii and Iceland where correlations between isotopic, traceelement...of mantle chemistry preserved in basalts from Iceland and mid-ocean ridges may be biased towards those |  | | Book | | Greece 224 Santorini 226 224 11 Volcanoes in Iceland Iceland 239 239 v vi Contents Krafla 244 Heimaey...affected by overlying ice and its meltwater. Grímsvötn, Iceland’s most frequently active volcano in historical...largely beneath the vast Vatnajökull icecap. This photograph shows the Grímsvötn eruption of 1998 viewed...highlight of the midAtlantic ridge is undoubtedly Iceland. This is the Earth’s most volcanic country (Fig...Krafla, and Eldfell in the tiny Heimaey island. Iceland is also famous for its spectacular glaciers, eruptions |  | | Journal (article/letter/editorial) | | Earth Sciences, University of Iceland, Sturlugata 7, 101 Reykjavík, Iceland art ic l e i nf o a b s t...Krafla central volcano in the neovolcanic zone of Iceland hosts a chemically diverse suite of magmas characterized...δ18O values. A rhyolite magma intercepted by the Iceland Deep Drilling Project (IDDP) exploratory well at...low-18O magmas within the neovolcanic zone of Iceland. Oxygen isotope values of the IDDP-1 melt (δ18O...products of the Iceland mantle plume over the sub-aerial extrusive geologic history of Iceland, in which progressively |  | Borisova, Anastassia Y., Faure, François, Deloule, Etienne, Grégoire, Michel, Béjina, Frédéric, de Parseval, Philippe, Devidal, Jean-Luc (2014) Lead isotope signatures of Kerguelen plume-derived olivine-hosted melt inclusions: Constraints on the ocean island basalt petrogenesis. Lithos, 198. 153-171 doi:10.1016/j.lithos.2014.03.022 | Journal (article/letter/editorial) | | polyhedral olivine phenocrysts with TE D minor augite phenocrysts (<1.3 vol %). Weis et al. (2002) described...245-259. CE P disequilibria in the Laki and Grímsvötn volcanic system. Earth Planetary Science Letters...crystals in large volume Holocene basalts from Iceland: Evidence for magmatic digestion and erosion of...Cherniak, D.J., 2001. Pb diffusion in Cr diopside, augite, and enstatite, and consideration of the dependence...A general mixing equation with application to Iceland basalts. Earth and Planetary Science Letters 37 |  | Marzoli, Andrea, Bertrand, Hervé, Youbi, Nasrrddine, Callegaro, Sara, Merle, Renaud, Reisberg, Laurie, Chiaradia, Massimo, Brownlee, Sarah I, Jourdan, Fred, Zanetti, Alberto, Davies, Joshua H F L, Cuppone, Tiberio, Mahmoudi, Abdelkader, Medina, Fida, Renne, Paul R, Bellieni, Giuliano, Crivellari, Stefano, El Hachimi, Hind, Bensalah, Mohamed Khalil, Meyzen, Christine M, Tegner, Christian (2019) The Central Atlantic Magmatic Province (CAMP) in Morocco. Journal of Petrology, 60 (5) 945-996 doi:10.1093/petrology/egz021 | Journal (article/letter/editorial) | | Recurrent units. Pigeonite is sometimes found rimming augite cores. Systematic textural and mineralogical variations...glomeroporphyritic, i.e. they carry mm-sized phenocrysts of augite and plagioclase rocks, where plagioclase shows...Supplementary Data Electronic Appendix Table S4). Most augite cores have compositions at or close to equilibrium...than expected for equilibrium conditions. These augite cores may be antecrysts that crystallized from... On the contrary, a few Lower and Intermediate augite cores yield Mg# lower than expected, suggesting |  | | Journal (article/letter/editorial) | | anorthite, Or = orthoclase, mole%), Agt = aegirine–augite, Hd = hedembergite, enig = aenigmatite, amph =...application to two Icelandic sub glacial volcanoes, Grímsvötn and Katla. Geophys. J. Int. 181, 1510–1524. Antonioli |  | Brandl, Philipp A., Regelous, Marcel, Beier, Christoph, O'Neill, Hugh St.C., Nebel, Oliver, Haase, Karsten M. (2016) The timescales of magma evolution at mid-ocean ridges. Lithos, 240. 49-68 doi:10.1016/j.lithos.2015.10.020 | Journal (article/letter/editorial) | | and flow volume (as is apparently the case in Iceland; Hardarson & Fitton, 1997), then there may be systematic...cotectics (crystallisation of olivine, plagioclase and augite), but may also be paths mapped NU out my mixing...zoning and U-series disequilibria in the Laki and Grímsvötn volcanic system. Earth and Planetary Science Letters...J.G., 1997. Mechanisms of crustal accretion in Iceland. Geology 25, 1043-1046. AC Haymon, R.M., Fornari...(Goss et al., 2010); Laki: PT Laki eruption on Iceland (Passmore et al., 2012); N1: N1 unit at the EPR |  | | Book | | calcite were mined on Iceland and, therefore, were called Iceland crystal or Iceland spar. The faster wave...Economic Minerals . Fig. 2.6 Pyroxene (basaltic augite), big phenocryst in basalt; besides, a second much...2 Volcanic rock: limburgite with phenocrysts of augite in a hyaline matrix. The rock contains a great...century at the farm site Helgustadir, Eski Fjord, Iceland. They were intermittently mined, until 1924, and... Omphacite jadeite-augite solid solution 2/m Aegirine augite Aegirine augite solid solution 2/m |  | | Book | | environments from ophiolites, contemporary oceanic crust, Iceland, continental rifts, and continental margins. Professor...ridges: fire and ice 4.2.1 Grimsey Field, north of Iceland 4.2.2 Trollveggen (Troll Wall) Field, Mohns Ridge...historically difficult to image. In places such as Iceland, however, where volcanism has been ongoing for...and Kristján Sæmundsson and Bryndís Brandsóttir (Iceland). My undying gratitude goes to Eileen and my family...temperatures and enhanced magma generation occur. Iceland is an extreme example, with a seismic crustal |  | | Report (issue) | | (Walker, 1991), Etna, Italy (Calvari et al., 2003), Iceland (Mattsson and Hoskuldsson, 2005), and in eastern...Infrastructure and mechanics of volcanic systems in Iceland: Journal of Volcanology and Geothermal Research...5900 BP Helgafell lava field (Heimaey), south Iceland: Journal of Volcanology and Geothermal Research...Implications for geodynamics and links to the Iceland hotspot: Chemical Geology, v. 241, p. 264– 281...term still will include long-lived polar ice and glacier ice in Arctic and high mountain environments. If |
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