Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/2616
DC Field | Value | Language |
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dc.contributor.authorall | Polacci, M.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia | en |
dc.contributor.authorall | Baker, D. R.; Earth and Planetary Sciences, McGill University, Montreal, Quebec, Canada. | en |
dc.contributor.authorall | Mancini, L.; SYRMEP Group, Basovizza, Italy. | en |
dc.contributor.authorall | Tromba, G.; SYRMEP Group, Basovizza, Italy. | en |
dc.contributor.authorall | Zanini, F. | en |
dc.date.accessioned | 2007-10-12T09:46:15Z | en |
dc.date.available | 2007-10-12T09:46:15Z | en |
dc.date.issued | 2006 | en |
dc.identifier.uri | http://hdl.handle.net/2122/2616 | en |
dc.description.abstract | Synchrotron X-ray computed microtomography (mCT) was applied for the first time to clasts of pumice and scoria generated by active, explosive volcanoes characterized by a range of eruptive styles (mild Strombolian to Plinian) and magmatic composition (basaltic to trachytic). The obtained two-dimensional (2D) tomographic images, corresponding to sample views at different rotation angles, were processed to reconstruct three-dimensional (3D) volumes and then used to make 3D measurements of vesicularity, vesicle number density, volume and connectivity for quantitative characterization of the investigated tephras. The results indicate a positive correlation between vesicle number density and eruption intensity that is used to investigate modes of magma degassing in explosive eruptions. In addition, the vesicle geometry affecting the connected gas flow pathways in pyroclasts from Strombolian eruptions is determined and related to the known permeabilities. Implications on the dynamics of explosive eruptions is discussed and, ultimately, used to quantitatively discriminate between different eruptive styles. | en |
dc.language.iso | English | en |
dc.publisher.name | Agu | en |
dc.relation.ispartof | Geophys. Res. Lett. | en |
dc.relation.ispartofseries | / 33 (2006) | en |
dc.subject | volcanic textures | en |
dc.subject | microtomography | en |
dc.title | Three-dimensional investigation of volcanic textures by X-ray microtomography and implications for conduit processes | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | L13312 | en |
dc.subject.INGV | 04. Solid Earth::04.08. Volcanology::04.08.05. Volcanic rocks | en |
dc.identifier.doi | 10.1029/2006GL026241 | en |
dc.description.journalType | JCR Journal | en |
dc.description.fulltext | reserved | en |
dc.contributor.author | Polacci, M. | en |
dc.contributor.author | Baker, D. R. | en |
dc.contributor.author | Mancini, L. | en |
dc.contributor.author | Tromba, G. | en |
dc.contributor.author | Zanini, F. | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Catania, Catania, Italia | en |
dc.contributor.department | Earth and Planetary Sciences, McGill University, Montreal, Quebec, Canada. | en |
dc.contributor.department | SYRMEP Group, Basovizza, Italy. | en |
dc.contributor.department | SYRMEP Group, Basovizza, Italy. | en |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | restricted | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Pisa, Pisa, Italia | - |
crisitem.author.dept | Sincrotrone Trieste S.C.p.A., S.S. 14-km 163.5, 34149 Basovizza (TS), Italy | - |
crisitem.author.dept | SYRMEP Group, Basovizza, Italy. | - |
crisitem.author.dept | SYRMEP Group Elettra Sincrotrone Trieste | - |
crisitem.author.orcid | 0000-0003-3318-8700 | - |
crisitem.author.orcid | 0000-0002-6543-3283 | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.classification.parent | 04. Solid Earth | - |
Appears in Collections: | Article published / in press |
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