Evolution of North Malé Atoll Rim during the Last Full Glacial Cycle (Malé Island, Republic of Maldives)

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dc.contributor.advisorDroxler, André Wen_US
dc.contributor.committeeMemberSawyer, Dale Sen_US
dc.contributor.committeeMemberNittrouer, Jeffrey Aen_US
dc.contributor.committeeMemberGischler, Eberharden_US
dc.creatorKoksal, Tugbaen_US
dc.date.accessioned2016-02-05T22:28:14Zen_US
dc.date.available2016-02-05T22:28:14Zen_US
dc.date.created2014-12en_US
dc.date.issued2014-07-31en_US
dc.date.submittedDecember 2014en_US
dc.date.updated2016-02-05T22:28:15Zen_US
dc.description.abstractMy study focuses on the evolution of Malé Island to elucidate the late Pleistocene-Holocene evolution of the discontinuous North Malé Atoll rim. Sample analyses from two boreholes, published information from additional boreholes, and a multi-beam bathymetric map for Malé Island deep surroundings, are available for this study. Facies analyses of the lower sedimentary unit reveal an overall deepening coralgal reef that accumulated probably during the previous interglacial and subsequently was altered by meteoric diagenesis during a 100 ky-long exposure. The upper Holocene unconsolidated coralgal reef, overlying the karstified coralgal MIS 5e lower unit, was initiated at ~8200 kyr BP and vertically grew 25 m high until 6510 kyr BP, protected behind a karstified late Pleistocene reef. A small, though 30-35 m deep, newly formed lagoon started to fill up only at ~5500 kyr BP, when a reef initiated on top of the highest elevated Pleistocene karstified reef and sea level rise stalled.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.citationKoksal, Tugba. "Evolution of North Malé Atoll Rim during the Last Full Glacial Cycle (Malé Island, Republic of Maldives)." (2014) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/88444">https://hdl.handle.net/1911/88444</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/88444en_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.subjectMale Islanden_US
dc.subjectNorth Male Atollen_US
dc.subjectLate Quaternary atoll rim evolutionen_US
dc.subjectStacked interglacial coralgal accumulationsen_US
dc.subjectDiagenesis and karstificationen_US
dc.subjectFacies and Foraminifer Time Variationen_US
dc.titleEvolution of North Malé Atoll Rim during the Last Full Glacial Cycle (Malé Island, Republic of Maldives)en_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.majorCarbonate Sedimentologyen_US
thesis.degree.nameMaster of Scienceen_US
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