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<datestamp>2018-01-11</datestamp>
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<title lang=en>Influence of melt viscosity of basaltic and andesitic composition on seismic attenuation in partially molten gabbronorite</title>
<creator>Fontaine, Fabrice R., </creator>
<creator>Neuville, D. R.</creator>
<creator>Ildefonse, Benoit</creator>
<creator>MAINPRICE, David</creator>
<contributor>Research School of Earth Sciences [Canberra] (RSES) ; Australian National University (ANU)</contributor>
<contributor>Institut de Physique du Globe de Paris (IPGP) ; Institut national des sciences de l'Univers (INSU - CNRS) - IPG PARIS - Université Paris Diderot - Paris 7 (UPD7) - Université de la Réunion (UR) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<description>International audience</description>
<source>ISSN: 0031-9201</source>
<source>EISSN: 0031-9201</source>
<source>Physics of the Earth and Planetary Interiors</source>
<publisher>Elsevier</publisher>
<identifier>hal-00412014</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00412014</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00412014</source>
<source>Physics of the Earth and Planetary Interiors, Elsevier, 2008, 167 (3-4), pp.223-229. 〈10.1016/j.pepi.2008.04.010〉</source>
<identifier>DOI : 10.1016/j.pepi.2008.04.010</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1016/j.pepi.2008.04.010</relation>
<language>en</language>
<subject lang=en>l iquid silicates</subject>
<subject lang=en>temperature-dependence</subject>
<subject lang=en>Silicate melts</subject>
<subject lang=en>heat-capacity</subject>
<subject lang=en>configurational-entropy</subject>
<subject lang=en>viscosity</subject>
<subject lang=en>melt</subject>
<subject lang=en>seismic attenuation</subject>
<subject lang=en>magma chamber</subject>
<subject>[SDU.STU.PE] Sciences of the Universe [physics]/Earth Sciences/Petrography</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>The characteristic frequencies at which two different melt-related attenuation mechanisms occur in partially molten gabbronorite are computed as a function of aspect ratios of the melt-filled cracks, and the melt viscosity. The computations were done for basaltic and andesitic melts. The melt viscosity is constrained by (i) laboratory measurements performed in the range 10(8)-10(14) Pa s with a creep apparatus and in the range 10(-1) to 10(5) Pas with a rotational Couette viscorneter, and (ii) modeling of viscosity at high temperatures. The results of the characteristic frequency calculations suggest that melt squirt flow is a viable attenuation mechanism at seismic frequencies for aspect ratio of melt inclusions in the range 10(-1) to 10(-2) for the andesite, and 10(-4) to 10(-3) for the two basalts.</description>
<date>2008</date>
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