Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/4503
AuthorsFornaciai, A.* 
Landi, P.* 
Armienti, P.* 
TitleDissolution/crystallization kinetics recorded in the 2002–2003 lavas of Stromboli (Italy)
Issue Date2008
DOI10.1007/s00445-008-0249-3
URIhttp://hdl.handle.net/2122/4503
KeywordsPlagioclase
Crystal size distribution
Stromboli
2002–2003 eruption
Magma supply rate
Effusive activity
Crystallization
Subject Classification04. Solid Earth::04.08. Volcanology::04.08.03. Magmas 
AbstractOn 28 December 2002, new vents opened on the flanks of Stromboli, just below the summit craters, interrupting the persistent activity of the volcano with a 7-month-long effusive eruption. We here report on the plagioclase size distribution (PlgSD) in lava samples collected following the chronology of the 2002–2003 eruption. Data reveal a linear PlgSD similar to that found in samples of normal Stromboli activity, indicating that the switch from Strombolian explosive to effusive activity is not associated with changes in texture. Nevertheless, the crystal size distribution slopes and intercepts exhibit slight sinusoidal temporal variations that are here ascribed to a magma supply mechanism able to induce “resonance” in the crystal size distribution, with an amplitude that depends on the supply rate.
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