Remobilization of silicic intrusion by mafic magmas during the 2010 Eyjafjallajökull eruption

Solid Earth

Volumn 2, Issue 2, 2011, Pages 271-281

  Sigmarsson, O ^a,b   Vlastelic, I ^a   Andreasen, R ^c   Bindeman, I ^d   Devidal, J L ^a   Moune, S ^a   Keiding, J K ^e   Larsen, G ^b   Hoskuldsson A ^b   Thordarson, T H ^f  

^a UNIVERSITÉ BLAISE PASCAL   (France)

^b UNIVERSITY OF ICELAND   (Iceland)

^c IMPERIAL COLLEGE LONDON   (United Kingdom)

^d UNIVERSITY OF OREGON   (United States)

^e GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

^f UNIVERSITY OF EDINBURGH   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

BASALTIC MAGMA; BINARY MIXING; COMPOSITIONAL CHANGES; EXPLOSIVE ERUPTION; HOMOGENISATION; ICELANDS; MAGMA CHAMBER; MAGMA COMPOSITION; MAGMA INJECTION; MAGMA MINGLING; MAGMATIC PROCESS; MIXING PROCESS; OLIVINE PHENOCRYST; REMOBILIZATION; SILICIC MAGMAS; TEPHRA FALLOUT; TIME-DEPENDENT CHANGES; TIME-SCALES;

FALLOUT; MIXING; VOLCANOES;

BASALT;

HOMOGENEITY; MAFIC ROCK; MAGMA; OLIVINE; PHENOCRYST; SEISMICITY; TEPHRA; TIMESCALE; VOLCANIC ERUPTION;

EYJAFJALLAJOKULL; ICELAND;

EID: 84857716741     PISSN: 18699510     EISSN: 18699529     Source Type: Journal    
DOI: 10.5194/se-2-271-2011     Document Type: Article

References (28)

1. Arason, P., Petersen, G.N., and Bjornsson, H.: Observations of the altitude of the volcanic plume during the eruption of Eyjafjalla-jökull, April-May 2010, Earth Syst. Sci. Data, 3, 9-17, 2011, http://www.earth-syst-sci- data.net/3/9/2011/.
2. Barclay, J., Herd, R. A., Edwards, B. R., Christopher, T., Kiddle, E. J., Plail, M., and Donovan, A.: Caught in the act: implications for the increasing abundance of mafic enclaves during the re-cent eruptive episodes of the Soufrière Hills volcano, Montserrat, Geophys. Res. Lett., 37, L00E09, doi:10.1029/2010GL042509, 2010.
3. Bjarnason, I. Th.: An Iceland hotspot saga, Jökull, 58,3-16, 2008.
4. Carn, S. A., Wang, J. Yang, K., and Krotkov, N. A.: Sulfur bud-get of the 2010 Eyjafjallajökull eruption derived from satellite observations, AGU Fall Meeting, Abstract V53F-08, 2010.
5. Clynne, M. A.: A Complex Magma Mixing Origin for Rocks Erupted in 1915, Lassen Peak, California, J. Petrol., 40,105-132, 1999.
6. Eichelberger, J. C.: Vesiculation ofmafic magma during replenish-ment ofsilicic magma reservoirs, Nature, 288,446-450, 1980.
7. Fabbrizio, A., Schmidt, M. W., Günther, D., and Eikenberg, J.: Experimental determination of Ra mineral/melt partitioning for feldspars and Ra-disequilibrium crystallization ages of pla-gioclase and alkali-feldspar, Earth Planet. Sc. Lett., 280,137-148, 2009.
8. Furman, T., Frey, F. A., and Park, K.-H.: Chemical constraints on the petrogenesis of mildly alkaline lavas from Vestmannaeyjar, Iceland: the Eldfell (1973) and Surtsey (1963-1967) eruptions: Contrib. Mineral. Petr., 109,19-37, 1991.
9. Gumundsson, M. T., Pedersen, R., Vogfjörd, K., Thorbjarnardot-tir, B., Jakobsdottir, S., and Roberts, M.: Eruptions of Eyjafjalla-jökull Volcano, Iceland: Eos, 91,190-191, 2010.
10. Hjaltadóttir, S., Vogfjör, K., and Slunga, R.: Precise seis-mic mapping of magma pathways before and during the 2010 Eyjafjalljökull eruptions, submitted to J. Geophys. Res., 2011.
11. Jakobsson, S. P.: Petrology of Recent basalts from the Eastern Vol-canic Zone, Iceland: Acta Naturalia Islandica, 26,1-103, 1979.
12. Jarosewich, E., Nelen, J. A., and Borberg, J. A.: Electron micro-probe reference samples for mineral analysis, edited by: Fudali, R. F., Smithsonian Institution Contributions to the Earth Sciences No. 22, Smithsonian Institution Press,68-72, 1979.
13. Keiding, J. K. and Sigmarsson, O.: Geothermobarometry of the 2010 Eyjafjallajökull eruption, J. Geophys. Res., in press., 2011.
14. Martin, E. and Sigmarsson, O.: Geographical variations ofsilicic magma origin in Iceland: the case of Torfajökull, Ljósufjöll and Snæfellsjökull volcanoes, Contrib. Mineral. Petr., 153,593-605, 2007.
15. Moune, S., Sigmarsson, O., Schiano, P., and Thordarson, Th.: Melt inclusion in olivines from the 2010 flank eruption at Eyjafjalla-jökull: magma source and degassing, J. Geophys. Res., in review, 2011.
16. Nakamura, M.: Continuous mixing ofcrystal mush and replenished magma in the ongoing Unzen eruption, Geology, 23,807-810, 1995.
17. Óladóttir, B., Sigmarsson, O., Larsen, G., and Thordarson, T.: Tem-poral evolution of the magma plumbing system beneath Katla volcano Iceland, B. Volcanol., 70,475-493, 2008.
18. Pallister, J. S., Thornber, C. R., Cashman, K. V., Clynne, M. A., Lowers, H. A., Mandeville, C. W., Brownfield, I. K., and Meeker, G. P.: Petrology of the 2004-2006 Mount St. Helens lava dome - Implications for magmatic plumbing and eruption triggering, edited by: Sherrod, D. R., Sherrod, D. R., Scott, W. E., and Stauf-fer, P. H., A volcano rekindled; the renewed eruption of Mount St. Helens, 2004-2006, U.S. Geological Survey Professional Pa-per 1750,647-702, 2008.
19. Pin, C., Briot, D., Bassin, C., and Poitrasson, F.: Concomitant sepa-ration of strontium and samarium-neodymium for isotopic anal-ysis in silicate samples, based on specific extraction chromatog- raphy, Anal. Chim. Acta, 298,209-217, 1994.
20. Pin, C. and Zaldegui, J. F. S.: Sequential separation oflight rare-earth elements, thorium, and uranium by miniaturized extrac-tion chromatography: Application to isotopic analyses ofsilicate rocks, Anal. Chim. Acta, 339,79-87, 1997.
21. Prowatke, S. and Klemme, S.: Trace element partitioning between apatite and silicate melts, Geochim. Cosmochim. Ac., 70,4513-4527, 2006.
22. Sigmarsson, O., Thordarson, Th., and Jakobsson, S. P.: Segrega-tions in Surtsey lavas (Iceland) reveal extreme magma differen-tiation during late stage flow emplacement, edited by: Thordars-son, Th., Self, S., Larsen, G., Rowland, S. K., and Hoskuldsson, A.: Studies in Volcanology: The Legacy of George Walker. Spe-cial Publications of IAVCEI: London, United Kingdom, Geol. Soc., 2,85-104, 2009.
23. Sigmundsson, F., Hreinsdóttir, S., Hooper, A., Árnadóttir, T., Ped-ersen, R., Roberts, M. J., Óskarsson, N., Auriac, A., Decriem, J., Einarsson, P., Geirsson, H., Hensch, M., Ófeigsson, B. G., Sturkell, E., Sveinbjörnsson, H., and Feigl, K. L.: Intrusion trig-gering of the 2010 Eyjafjallajökull eruption, Nature, 468,426-430, 2010.
24. Sparks, S. R. J., Sigurdsson, H., and Wilson, L.: Magma mixing: a mechanism for triggering acid explosive eruptions, Nature, 267,315-318, 1977.
25. Suzuki, Y. and Nakada, S.: Remobilization of Highly Crystalline Felsic Magma by Injection of Mafic Magma: Constraints from the Middle Sixth Century Eruption at Haruna Volcano, Honshu, Japan, J. Petrol., 48,1543-1567, 2007.
26. Thornber, C. R., Sherrod, D. R., Siems, D. R., Heliker, C. C., Meeker, G. P., Oscarsson, R. L., and Kauahikaua, J. P.: Whole rock and glass major-element geochemistry of Kilauea Volcano, Hawaii, near-vent eruptive products: September 1994 through September 2001, in: US Geological Survey open file report,02-17, 2002.
27. Tonarini, S., D'Antonio, M., Di Vito, M., Orsi, G., and Carandente, A.: Geochemical and B-Sr-Nd isotopic evidence for mingling and mixing processes in the magmatic system that fed the Astroni volcano (4.1-3.8 ka) within the Campi Flegrei caldera (southern Italy), Lithos, 107,135-151, 2009
28. Van Achterbergh, E., Ryan, C. G., Jackson, S. E., and Griffin, W. X.: Data reduction software for La-ICP-MS, edited by: Sylvester, P., Laser ablation ICP-MS in Earth Science Principles and Applica-tions, Mineralogical Association of Canada, 239-243, 1997.