Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/5400| DC Field | Value | Language |
|---|---|---|
| dc.contributor.authorall | Costa, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
| dc.contributor.authorall | Caricchi, L.; Department of Earth Sciences, ETH Zurich, CH-8092 Zurich, Switzerland | en |
| dc.contributor.authorall | Bagdassarov, N.; Institut fu¨ r Geowissenschaften, Facheinheit Geophysik, Universita¨t Frankfurt, D-60438 Frankfurt, Germany | en |
| dc.date.accessioned | 2009-12-30T07:12:40Z | en |
| dc.date.available | 2009-12-30T07:12:40Z | en |
| dc.date.issued | 2009-03-18 | en |
| dc.identifier.uri | http://hdl.handle.net/2122/5400 | en |
| dc.description | An edited version of this paper was published by AGU. Copyright (2009) American Geophysical Union | en |
| dc.description.abstract | This contribution presents a semiempirical model describing the effective relative viscosity of crystalbearing magmas as function of crystal fraction and strain rate. The model was applied to an extensive data set of magmatic suspensions and partially molten rocks providing a range of values for the fitting parameters that control the behavior of the relative viscosity curves as a function of the crystal fraction in an intermediate range of crystallinity (30–80 vol % crystals). The analysis of the results and of the materials used in the experiments allows for evaluating the physical meaning of the parameters of the proposed model. We show that the model, by varying the parameters within the ranges obtained during the fitting procedure, is able to describe satisfactory the effective relative viscosity as a function of crystal fraction and strain rate for suspensions having different geometrical characteristics of the suspended solid fraction. | en |
| dc.language.iso | English | en |
| dc.publisher.name | AGU and the Geochemical Society | en |
| dc.relation.ispartof | Geochem. Geophys. Geosyst | en |
| dc.relation.ispartofseries | 3/10(2009) | en |
| dc.subject | melts | en |
| dc.subject | concentrated suspensions | en |
| dc.subject | viscosity | en |
| dc.subject | strain rate | en |
| dc.title | A model for the rheology of particle-bearing suspensions and partially molten rocks | en |
| dc.type | article | en |
| dc.description.status | Published | en |
| dc.type.QualityControl | Peer-reviewed | en |
| dc.description.pagenumber | Q03010 | en |
| dc.subject.INGV | 04. Solid Earth::04.01. Earth Interior::04.01.05. Rheology | en |
| dc.subject.INGV | 04. Solid Earth::04.08. Volcanology::04.08.03. Magmas | en |
| dc.subject.INGV | 05. General::05.01. Computational geophysics::05.01.03. Inverse methods | en |
| dc.identifier.doi | 10.1029/2008GC002138 | en |
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| dc.description.obiettivoSpecifico | 2.3. TTC - Laboratori di chimica e fisica delle rocce | en |
| dc.description.obiettivoSpecifico | 3.6. Fisica del vulcanismo | en |
| dc.description.journalType | JCR Journal | en |
| dc.description.fulltext | reserved | en |
| dc.contributor.author | Costa, A. | en |
| dc.contributor.author | Caricchi, L. | en |
| dc.contributor.author | Bagdassarov, N. | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
| dc.contributor.department | Department of Earth Sciences, ETH Zurich, CH-8092 Zurich, Switzerland | en |
| dc.contributor.department | Institut fu¨ r Geowissenschaften, Facheinheit Geophysik, Universita¨t Frankfurt, D-60438 Frankfurt, Germany | 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 Bologna, Bologna, Italia | - |
| crisitem.author.dept | Institut fu¨ r Geowissenschaften, Facheinheit Geophysik, Universita¨t Frankfurt, D-60438 Frankfurt, Germany | - |
| crisitem.author.orcid | 0000-0002-4987-6471 | - |
| crisitem.author.orcid | 0000-0001-9051-2621 | - |
| crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.classification.parent | 04. Solid Earth | - |
| crisitem.classification.parent | 04. Solid Earth | - |
| crisitem.classification.parent | 05. General | - |
| crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| Appears in Collections: | Article published / in press | |
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