Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/7894
DC Field | Value | Language |
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dc.contributor.authorall | Vinciguerra, S.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.authorall | Xiao, X.; MIT, USA | en |
dc.contributor.authorall | Evans, B.; MIT, USA | en |
dc.date.accessioned | 2012-03-19T08:54:35Z | en |
dc.date.available | 2012-03-19T08:54:35Z | en |
dc.date.issued | 2004 | en |
dc.identifier.uri | http://hdl.handle.net/2122/7894 | en |
dc.description.abstract | We investigated the mechanics of basalt dyke emplacement during laboratory deformation experiments at up to 300 MPa confining pressure and temperatures up to 1200 °C. Experiments have been conducted on two-phase samples of a basalt (MORB) dyke and a matrix of 90% San Carlos Olivine plus 10% MORB. No migration of MORB is observed when samples have been hot isostatically pressed. Conversely, significant diffusion of basalt into the matrix is found when a deviatoric stress is applied. Creep (80-160 MPa) and strain-rate experiments (from 3 x 10 -4 to 5 × 10 -5 s -1) induced melt propagation up to 50% of the initial dyke length/width ratio. The kinematics of deformation are essentially plastic and show a strong dependence on the load applied and the dyke geometry. Local pressure drops, due to dilatancy, are suspected to have enhanced melt migration. | en |
dc.language.iso | English | en |
dc.publisher.name | The Geological Society of London | en |
dc.relation.ispartof | Physical Geology of High-Level Magmatic Systems”, Petford, N.& Breitkreuz, C. Editors, Geological Society Special PublicationGeological Society Special Publication | en |
dc.relation.ispartofseries | 234 | en |
dc.subject | Dykes emplacement, Experimental constraints | en |
dc.title | Experimental constraints on the mechanics of dyke emplacement in partially molten olivines | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | 243-249 | en |
dc.subject.INGV | 04. Solid Earth::04.01. Earth Interior::04.01.04. Mineral physics and properties of rocks | en |
dc.identifier.doi | 10.1144/GSL.SP.2004.234.01.16 | en |
dc.description.obiettivoSpecifico | 2.3. TTC - Laboratori di chimica e fisica delle rocce | en |
dc.description.journalType | N/A or not JCR | en |
dc.description.fulltext | restricted | en |
dc.contributor.author | Vinciguerra, S. | en |
dc.contributor.author | Xiao, X. | en |
dc.contributor.author | Evans, B. | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione OV, Napoli, Italia | en |
dc.contributor.department | MIT, USA | en |
dc.contributor.department | MIT, USA | 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 | MIT, USA | - |
crisitem.author.dept | MIT, USA | - |
crisitem.author.orcid | 0000-0002-6939-3549 | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
Appears in Collections: | Article published / in press |
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18_Vinciguerra_GSL_04.pdf | Main Article | 778.2 kB | Adobe PDF |
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