Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/2204
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dc.contributor.authorallPolacci, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.contributor.authorallCorsaro, R. A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.contributor.authorallAndronico, D.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italiaen
dc.date.accessioned2007-07-03T07:16:01Zen
dc.date.available2007-07-03T07:16:01Zen
dc.date.issued2006-03en
dc.identifier.urihttp://hdl.handle.net/2122/2204en
dc.description.abstractStrombolian and fire fountain activities represent a common expression of explosive basaltic eruptions. However, the transition between these two eruptive styles and their source mechanisms are still debated. We use textural and compositional studies to characterize pyroclastic material from both the Strombolian and Hawaiian-style fire fountain phases of the January–June 2000 Etna activity. We find that basaltic scoria presents distinctive textural and compositional features that reflect different modes of magma vesiculation and crystallization in the two eruptive regimes. Overall, magma that forms Strombolian scoria is far more crystallized, less vesicular, and more evolved, indicating strong volatile depletion and longer residence time before being erupted. Fire fountain scoria indicates a fast-rising magma with evidence of moderate syneruptive volatile exsolution. The new textural and compositional data set is integrated with previous volcanological and geophysical investigations to provide further insights into the dynamics of fire fountains, and to frame the transition from Strombolian explosions to fire fountain activity into a model that may apply to future eruptions at Mount Etna as well as other active basaltic volcanoes.en
dc.format.extent358707 bytesen
dc.format.mimetypeapplication/pdfen
dc.language.isoEnglishen
dc.publisher.nameGeological Society of Americaen
dc.relation.ispartofGeologyen
dc.relation.ispartofseries3/34 (2006)en
dc.subjectMt. Etnaen
dc.subjectexplosive activityen
dc.subjectscoriaen
dc.subjecttexturesen
dc.subjectglass compositionsen
dc.subjecteruption dynamicsen
dc.titleCoupled textural and compositional characterization of basaltic scoria: insights into the transition from Strombolian to fire fountain activity at Mount Etnaen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber201-204en
dc.subject.INGV04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoringen
dc.identifier.doi10.1130/G22318.1en
dc.relation.referencesAllard, P., Alparone, S., Andronico, D., Burton, M., Lodato, L., Mure`, F., and Sgroi, T., 2003, Source process of cyclic fire fountaining at Mt. Etna in 2000: A multidisciplinary study of the June 14 (63rd) event: Geophysical Research Abstracts, v. 5, p. 13,079–13,080. Allard, P., Burton, M., and Mure`, F., 2005, Spectroscopic evidence for a lava fountain driven by previously accumulated magmatic gas: Nature, v. 433, p. 407–410. Alparone, S., Andronico, D., Lodato, L., and Sgroi, T., 2003, Relationship between tremor and volcanic activity during the Southeast Crater eruption on Mount Etna in early 2000: Journal of Geophysical Research, v. 108, p. 2241–2253. Head, J.W., and Wilson, L., 1987, Lava fountain heights at Pu`u `O`o, Kilauea, Hawaii: Indicators of amount and variations of exsolved magma volatiles: Journal of Geophysical Research, v. 92, p. 13,715–13,719. Head, J.W., and Wilson, L., 1989, Basaltic pyroclastic eruptions: Influence of gas-release patterns and volume fluxes on fountain structure, and the formation of cinder cones, spatter cones, rootless flows, lava ponds and lava flows: Journal of Volcanology and Geothermal Research, v. 37, p. 261–271. Heliker, C., Swanson, D.A., and Takahashi, T.J., 2003, The Pu`u `O`o-Kupaianaha eruption of Kilauea Volcano Hawai’i: The first 20 years: U.S. Geological Survey Professional Paper 1676, 206 p. Jaupart, C., and Vergniolle, S., 1989, The generation and collapse of foam layer at the roof of a basaltic magma chamber: Journal of Fluid Mechanics, v. 203, p. 347–380. Lautze, N.C., and Houghton, B.F., 2005, Physical mingling of magma and complex eruption dynamics in the shallow conduit at Stromboli volcano, Italy: Geology, v. 33, p. 425–428. Mangan, M.T., and Cashman, K.V., 1996, The structure of basaltic scoria and reticulite and inferences for vesiculation, foam formation, and fragmentation in lava fountains: Journal of Volcanology and Geothermal Research, v. 73, p. 1–18. Parfitt, E.A., 2004, A discussion of the mechanisms of explosive basaltic eruptions: Journal of Volcanology and Geothermal Research, v. 134, p. 77–107. Parfitt, E.A., and Wilson, L., 1995, Explosive volcanic eruptions IX: The transition between Hawaiian-style lava fountaining and Strombolian explosive activity: Geophysical Journal International, v. 121, p. 226–232. Pompilio, M., Trigila, R., and Zanon, V., 1998, Melting experiments on Mt. Etna lavas; I, The calibration of an empirical geothermometer to estimate the eruptive temperature: Acta Vulcanologica, v. 10, p. 67–75. Taddeucci, J., Pompilio, M., and Scarlato, P., 2002, Monitoring the explosive activity of the July– August 2001 eruption of Mt. Etna (Italy) by ash characterization: Geophysical Research Letters, v. 29, p. 1–4. Taddeucci, J., Pompilio, M., and Scarlato, P., 2004, Conduit processes during the July–August explosive activity of Mt. Etna (Italy): Inferences from glass chemistry and crystal size distribution of ash particles: Journal of Volcanology and Geothermal Research, v. 137, p. 33–54. Vergniolle, S., and Jaupart, C., 1986, Separated twophase flow and basaltic eruptions: Journal of Geophysical Research, v. 91, p. 12,842–12,860. Vergniolle, S., and Mangan, M.T., 2000, Hawaiian and Strombolian eruptions, in Sigurdsson, H., et al., eds., Encyclopedia of volcanoes: San Diego, California, Academic Press, p. 447–461. Wilson, L., and Head, J.V., 1981, Ascent and eruption of basaltic magma on the earth and moon: Journal of Geophysical Research, v. 86, p. 2971–3001. Wilson, L., Parfitt, E.A., and Head, J.W., 1995, Explosive volcanic eruptions: VIII. The role of magma recycling in controlling the behaviour of Hawaiian-style lava fountains: Geophysical Journal International, v. 121, p. 215–225.en
dc.description.fulltextreserveden
dc.contributor.authorPolacci, M.en
dc.contributor.authorCorsaro, R. A.en
dc.contributor.authorAndronico, D.en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italiaen
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italiaen
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextrestricted-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Pisa, Pisa, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia-
crisitem.author.deptIstituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia-
crisitem.author.orcid0000-0003-3318-8700-
crisitem.author.orcid0000-0001-6137-8806-
crisitem.author.orcid0000-0002-8333-1547-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.author.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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