Widespread Disequilibrium of Phosphorus in Olivine

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dc.contributor.advisorLee, Cin-Ty Aen_US
dc.creatorSharton-Bierig, Eytanen_US
dc.date.accessioned2020-04-13T14:00:40Zen_US
dc.date.available2020-11-01T05:01:09Zen_US
dc.date.created2020-05en_US
dc.date.issued2020-04-09en_US
dc.date.submittedMay 2020en_US
dc.date.updated2020-04-13T14:00:40Zen_US
dc.description.abstractThere are significant inconsistencies in the literature regarding the partition coefficient of phosphorus in olivine. This indicates that there may be a problem with the methods for determining this value. In this study, olivine phenocrysts from the Sequeiros Transform Zone were measured for phosphorus to determine the issues and constrain a more accurate value. The measured values range over several orders of magnitude. Estimates of phosphorus diffusivity in a basaltic melt are slower than some estimates of olivine growth rate, and this may mean that this spread is in some part due to kinetic effects during crystallization. As it is difficult to separate these contributions from the true equilibrium value, an alternative approach to constrain this value is needed. Using a statistical approach, we find a maximum value of D=0.027 and a minimum value of D=0.0033.en_US
dc.embargo.terms2020-11-01en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationSharton-Bierig, Eytan. "Widespread Disequilibrium of Phosphorus in Olivine." (2020) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/108268">https://hdl.handle.net/1911/108268</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/108268en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectOlivineen_US
dc.subjectPhosphorusen_US
dc.subjectRocksen_US
dc.titleWidespread Disequilibrium of Phosphorus in Olivineen_US
dc.typeThesisen_US
dc.type.dcmiDataseten_US
dc.type.materialTexten_US
thesis.degree.departmentEarth Scienceen_US
thesis.degree.disciplineNatural Sciencesen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.majorGeochemistryen_US
thesis.degree.nameMaster of Scienceen_US
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