3D seismic characterization of the Peridotite Ridge in the Deep Galicia Margin

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dc.contributor.advisorMorgan, Julia K.en_US
dc.creatorLinkevich, Gary D.en_US
dc.date.accessioned2019-05-17T15:25:51Zen_US
dc.date.available2019-05-17T15:25:51Zen_US
dc.date.created2018-05en_US
dc.date.issued2018-04-19en_US
dc.date.submittedMay 2018en_US
dc.date.updated2019-05-17T15:25:51Zen_US
dc.description.abstractIn the Galicia magma-poor rifted margin, hyperextended continental crust is separated from oceanic crust by a wide transitional zone of exhumed mantle, which contains a series of margin-parallel basement ridges. The most landward of these, the Peridotite Ridge (PR), has been described for decades as largely devoid of coherent internal structure. Using new 3D seismic data, this study describes a variety of features inside and on the PR, which show it was heavily influenced by mass wasting processes. Its eastern flank contains a series of overlapping lenticular slump blocks, separated from the PR’s core by a large, landward-dipping normal fault. The western flank’s surface contains arcuate fault scarps, and its upper layer is underlined by a potential serpentinization front. Both flanks have large, chaotic landslides at their base. Normal faulting in the post-rift strata overlying the PR correlate with these mass-wasting features, suggesting a likely causal relationship.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationLinkevich, Gary D.. "3D seismic characterization of the Peridotite Ridge in the Deep Galicia Margin." (2018) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/105776">https://hdl.handle.net/1911/105776</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/105776en_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.subjectGaliciaen_US
dc.subjectperidotiteen_US
dc.subjectridgeen_US
dc.subjectPRen_US
dc.subjectserpentinizationen_US
dc.subjectmantleen_US
dc.subjectexhumationen_US
dc.subjectserpentiniteen_US
dc.subjectPSTMen_US
dc.subjectseismicen_US
dc.title3D seismic characterization of the Peridotite Ridge in the Deep Galicia Marginen_US
dc.typeThesisen_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.nameMaster of Scienceen_US
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