Revised tectonic evolution of the Eastern Indian Ocean
Identifieur interne : 000638 ( Istex/Corpus ); précédent : 000637; suivant : 000639Revised tectonic evolution of the Eastern Indian Ocean
Auteurs : Joanne M. Whittaker ; Simon E. Williams ; R. Dietmar MüllerSource :
- Geochemistry, Geophysics, Geosystems [ 1525-2027 ] ; 2013-06.
Abstract
Published plate tectonic models for the Australian‐Antarctic plate pair imply geologically improbable scenarios at either or both ends of the Cretaceous rift and spreading system. Controversy also exists around the location of and motion at the plate boundary extending west of Australia‐Antarctica, through the Kerguelen Plateau region. We present a plate tectonic model of relative motions among India, Australia, and Antarctica from the onset of continental rifting to the establishment of rapid seafloor spreading, at ~43 Ma. The model conforms to a wide range of geological/geophysical evidence and reconstructs the formation of both the western Kerguelen region and the eastern Tasman region. The incorporation of spatiotemporally continuous plate boundaries reveals the presence of a plate boundary beneath the contiguous Central Kerguelen Plateau and Broken Ridge for ~65 Ma. To investigate the relationship between the plate boundary system and the Kerguelen plume, we test three alternative absolute reference frames. Using a fixed hot spot reference frame, the Indian Ocean mid‐ocean ridge system remains within 500 km of the Kerguelen plume, while the proximity of the plate boundaries and the plume is more variable with a moving hot spot reference frame. Proximity between the plume, plate boundaries, and the Central Kerguelen Plateau/Broken Ridge for ~65 Myr suggests that these specific features were not formed by a single, short‐lived (5–10 Myr) pulse of magmatic activity, but rather by a ~25 Myr period of relatively high magma flux followed by ~40 Myr period of lower volume magmatic activity, an interpretation not excluded by the relatively sparse dredge and drill ages.
Url:
DOI: 10.1002/ggge.20120
Links to Exploration step
ISTEX:F3B9008D75AF4BD6A9C34B5860101CDC03ED767ELe document en format XML
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Controversy also exists around the location of and motion at the plate boundary extending west of Australia‐Antarctica, through the Kerguelen Plateau region. We present a plate tectonic model of relative motions among India, Australia, and Antarctica from the onset of continental rifting to the establishment of rapid seafloor spreading, at ~43 Ma. The model conforms to a wide range of geological/geophysical evidence and reconstructs the formation of both the western Kerguelen region and the eastern Tasman region. The incorporation of spatiotemporally continuous plate boundaries reveals the presence of a plate boundary beneath the contiguous Central Kerguelen Plateau and Broken Ridge for ~65 Ma. To investigate the relationship between the plate boundary system and the Kerguelen plume, we test three alternative absolute reference frames. Using a fixed hot spot reference frame, the Indian Ocean mid‐ocean ridge system remains within 500 km of the Kerguelen plume, while the proximity of the plate boundaries and the plume is more variable with a moving hot spot reference frame. Proximity between the plume, plate boundaries, and the Central Kerguelen Plateau/Broken Ridge for ~65 Myr suggests that these specific features were not formed by a single, short‐lived (5–10 Myr) pulse of magmatic activity, but rather by a ~25 Myr period of relatively high magma flux followed by ~40 Myr period of lower volume magmatic activity, an interpretation not excluded by the relatively sparse dredge and drill ages.</div></front></TEI><istex><corpusName>wiley</corpusName><author><json:item><name>Joanne M. Whittaker</name><affiliations><json:string>EarthByte Group, School of Geosciences, The University of Sydney, New South Wales, 2006, Sydney, Australia</json:string></affiliations></json:item><json:item><name>Simon E. 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Controversy also exists around the location of and motion at the plate boundary extending west of Australia‐Antarctica, through the Kerguelen Plateau region. We present a plate tectonic model of relative motions among India, Australia, and Antarctica from the onset of continental rifting to the establishment of rapid seafloor spreading, at ~43 Ma. The model conforms to a wide range of geological/geophysical evidence and reconstructs the formation of both the western Kerguelen region and the eastern Tasman region. The incorporation of spatiotemporally continuous plate boundaries reveals the presence of a plate boundary beneath the contiguous Central Kerguelen Plateau and Broken Ridge for ~65 Ma. To investigate the relationship between the plate boundary system and the Kerguelen plume, we test three alternative absolute reference frames. Using a fixed hot spot reference frame, the Indian Ocean mid‐ocean ridge system remains within 500 km of the Kerguelen plume, while the proximity of the plate boundaries and the plume is more variable with a moving hot spot reference frame. Proximity between the plume, plate boundaries, and the Central Kerguelen Plateau/Broken Ridge for ~65 Myr suggests that these specific features were not formed by a single, short‐lived (5–10 Myr) pulse of magmatic activity, but rather by a ~25 Myr period of relatively high magma flux followed by ~40 Myr period of lower volume magmatic activity, an interpretation not excluded by the relatively sparse dredge and drill ages.</p></abstract><abstract style="short"><p>New plate tectonic reconstruction for 160‐43 Ma for Australia‐AntarcticaKerguelen Plateau formed due to long‐standing plume‐plate boundary interactionResults show interaction between plumes, and triple‐junctions/spreading centers</p></abstract><textClass><keywords scheme="keyword"><list><head>keywords</head><item><term>plate tectonics</term></item><item><term>LIPs</term></item><item><term>Kerguelen Plateau</term></item><item><term>mantle plume</term></item><item><term>triple junction</term></item></list></keywords></textClass><textClass><keywords scheme="Journal Subject"><list><head>index-terms</head><item><term>MARINE GEOLOGY AND GEOPHYSICS</term></item><item><term>Plate tectonics</term></item><item><term>Oceanic hotspots and intraplate volcanism</term></item><item><term>TECTONOPHYSICS</term></item><item><term>Plate boundary: general</term></item><item><term>Plate motions: general</term></item><item><term>Plate motions: past</term></item><item><term>Plate motions: present and recent</term></item></list></keywords></textClass><textClass><keywords scheme="Journal Subject"><list><head>article-category</head><item><term>Regular Article</term></item></list></keywords></textClass></profileDesc><revisionDesc><change when="2012-11-28">Received</change><change when="2013-03-13">Registration</change><change when="2013-03-26">Created</change><change when="2013-06">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><original>false</original><mimetype>text/plain</mimetype><extension>txt</extension><uri>https://api.istex.fr/document/F3B9008D75AF4BD6A9C34B5860101CDC03ED767E/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Wiley, elements deleted: body"><istex:xmlDeclaration>version="1.0" encoding="UTF-8" standalone="yes"</istex:xmlDeclaration><istex:document><component type="serialArticle" version="2.0" xml:lang="en" xml:id="ggge20120"><header><publicationMeta level="product"><doi>10.1002/(ISSN)1525-2027</doi><issn type="print">1525-2027</issn><issn type="electronic">1525-2027</issn><idGroup><id type="product" value="GGGE"></id></idGroup><titleGroup><title type="main" sort="GEOCHEMISTRY, GEOPHYSICS, GEOSYSTEMS">Geochemistry, Geophysics, Geosystems</title><title type="short">Geochem. 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All Rights Reserved.</copyright><eventGroup><event type="manuscriptReceived" date="2012-11-28"></event><event type="manuscriptRevised" date="2013-01-21"></event><event type="manuscriptAccepted" date="2013-03-13"></event><event type="xmlCreated" agent="SPi Global" date="2013-03-26"></event><event type="publishedOnlineAccepted" date="2013-03-19"></event><event type="publishedOnlineEarlyUnpaginated" date="2013-06-13"></event><event type="firstOnline" date="2013-06-13"></event><event type="publishedOnlineFinalForm" date="2013-07-18"></event><event type="xmlConverted" agent="Converter:WILEY_ML3G_TO_WILEY_ML3GV2 version:3.8.8" date="2014-01-26"></event><event type="xmlConverted" agent="Converter:WML3G_To_WML3G version:4.6.4 mode:FullText" date="2015-10-02"></event></eventGroup><numberingGroup><numbering type="pageFirst">1891</numbering><numbering type="pageLast">1909</numbering></numberingGroup><correspondenceTo>Corresponding author: J. M. Whittaker, EarthByte Group, School of Geosciences, The University of Sydney, Sydney, New South Wales 2006, Australia. (<email normalForm="jo.whittaker@sydney.edu.au">jo.whittaker@sydney.edu.au</email>)</correspondenceTo><subjectInfo><subject href="http://psi.agu.org/taxonomy5/3000">MARINE GEOLOGY AND GEOPHYSICS</subject><subjectInfo><subject href="http://psi.agu.org/taxonomy5/3040">Plate tectonics</subject><subject href="http://psi.agu.org/taxonomy5/3037">Oceanic hotspots and intraplate volcanism</subject></subjectInfo><subject role="crossTerm" href="http://psi.agu.org/taxonomy5/8100">TECTONOPHYSICS</subject><subjectInfo><subject role="crossTerm" href="http://psi.agu.org/taxonomy5/8150">Plate boundary: general</subject><subject role="crossTerm" href="http://psi.agu.org/taxonomy5/8155">Plate motions: general</subject><subject role="crossTerm" href="http://psi.agu.org/taxonomy5/8157">Plate motions: past</subject><subject role="crossTerm" href="http://psi.agu.org/taxonomy5/8158">Plate motions: present and recent</subject></subjectInfo></subjectInfo><selfCitationGroup><citation type="self" xml:id="ggge20120-cit-0000"><author><familyName>Whittaker</familyName>, <givenNames>J. M.</givenNames></author>, <author><givenNames>S. E.</givenNames><familyName>Williams</familyName></author>, and <author><givenNames>R. D.</givenNames><familyName>Müller</familyName></author> (<pubYear year="2013">2013</pubYear>), <articleTitle>Revised tectonic evolution of the Eastern Indian Ocean</articleTitle>, <journalTitle>Geochem. Geophys. Geosyst.</journalTitle>, <vol>14</vol>, <pageFirst>1891</pageFirst>–<pageLast>1909</pageLast>, doi:<accessionId ref="info:doi/10.1002/ggge.20120">10.1002/ggge.20120</accessionId>.</citation></selfCitationGroup><linkGroup><link type="toTypesetVersion" href="file:GGGE.GGGE20120.pdf"></link></linkGroup></publicationMeta><contentMeta><titleGroup><title type="main">Revised tectonic evolution of the Eastern Indian Ocean</title><title type="shortAuthors">WHITTAKER ET AL.</title><title type="short">REVISED EASTERN INDIAN OCEAN EVOLUTION</title></titleGroup><creators><creator creatorRole="author" xml:id="ggge20120-cr-0001" affiliationRef="#ggge20120-aff-0001" corresponding="yes"><personName><givenNames>Joanne M.</givenNames><familyName>Whittaker</familyName></personName></creator><creator creatorRole="author" xml:id="ggge20120-cr-0002" affiliationRef="#ggge20120-aff-0001"><personName><givenNames>Simon E.</givenNames><familyName>Williams</familyName></personName></creator><creator creatorRole="author" xml:id="ggge20120-cr-0003" affiliationRef="#ggge20120-aff-0001"><personName><givenNames>R. Dietmar</givenNames><familyName>Müller</familyName></personName></creator></creators><affiliationGroup><affiliation countryCode="AU" type="organization" xml:id="ggge20120-aff-0001"><orgDiv>EarthByte Group, School of Geosciences</orgDiv><orgName>The University of Sydney</orgName><address><city>Sydney</city><countryPart>New South Wales</countryPart><postCode>2006</postCode><country>Australia</country></address></affiliation><affiliation countryCode="AU" type="organization" xml:id="ggge20120-aff-0002"><orgName>Now at the Institute for Marine and Antarctic Studies, University of Tasmania</orgName><address><country>Australia</country></address></affiliation></affiliationGroup><keywordGroup type="author"><keyword xml:id="ggge20120-kwd-0001">plate tectonics</keyword><keyword xml:id="ggge20120-kwd-0002">LIPs</keyword><keyword xml:id="ggge20120-kwd-0003">Kerguelen Plateau</keyword><keyword xml:id="ggge20120-kwd-0004">mantle plume</keyword><keyword xml:id="ggge20120-kwd-0005">triple junction</keyword></keywordGroup><fundingInfo><fundingAgency>ARC</fundingAgency><fundingNumber>FL0992245</fundingNumber></fundingInfo><supportingInformation xml:id="ggge20120-supinf-0001"><p xml:id="ggge20120-para-0001">Additional supporting information may be found in the online version of this article.</p><supportingInfoItem xml:id="ggge20120-supitem-0001"><mediaResource alt="supplementary data" mimeType="application/pdf" rendition="webOriginal" href="urn-x:wiley:15252027:media:ggge20120:Mar2013_Supplementary_FINAL"></mediaResource><caption>Supporting information</caption></supportingInfoItem><supportingInfoItem xml:id="ggge20120-supitem-0002"><mediaResource alt="supplementary data" mimeType="text/plain" rendition="webOriginal" href="urn-x:wiley:15252027:media:ggge20120:readme"></mediaResource><caption>Supporting information</caption></supportingInfoItem></supportingInformation><abstractGroup><abstract type="main"><p xml:id="ggge20120-para-0002" label="1">Published plate tectonic models for the Australian‐Antarctic plate pair imply geologically improbable scenarios at either or both ends of the Cretaceous rift and spreading system. Controversy also exists around the location of and motion at the plate boundary extending west of Australia‐Antarctica, through the Kerguelen Plateau region. We present a plate tectonic model of relative motions among India, Australia, and Antarctica from the onset of continental rifting to the establishment of rapid seafloor spreading, at ~43 Ma. The model conforms to a wide range of geological/geophysical evidence and reconstructs the formation of both the western Kerguelen region and the eastern Tasman region. The incorporation of spatiotemporally continuous plate boundaries reveals the presence of a plate boundary beneath the contiguous Central Kerguelen Plateau and Broken Ridge for ~65 Ma. To investigate the relationship between the plate boundary system and the Kerguelen plume, we test three alternative absolute reference frames. Using a fixed hot spot reference frame, the Indian Ocean mid‐ocean ridge system remains within 500 km of the Kerguelen plume, while the proximity of the plate boundaries and the plume is more variable with a moving hot spot reference frame. Proximity between the plume, plate boundaries, and the Central Kerguelen Plateau/Broken Ridge for ~65 Myr suggests that these specific features were not formed by a single, short‐lived (5–10 Myr) pulse of magmatic activity, but rather by a ~25 Myr period of relatively high magma flux followed by ~40 Myr period of lower volume magmatic activity, an interpretation not excluded by the relatively sparse dredge and drill ages.</p></abstract><abstract type="short"><title type="main">Key Points</title><p xml:id="ggge20120-para-0003"><list style="bulleted"><listItem xml:id="ggge20120-li-0001">New plate tectonic reconstruction for 160‐43 Ma for Australia‐Antarctica</listItem><listItem xml:id="ggge20120-li-0002">Kerguelen Plateau formed due to long‐standing plume‐plate boundary interaction</listItem><listItem xml:id="ggge20120-li-0003">Results show interaction between plumes, and triple‐junctions/spreading centers</listItem></list></p></abstract></abstractGroup></contentMeta></header></component></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Revised tectonic evolution of the Eastern Indian Ocean</title></titleInfo><titleInfo type="abbreviated" lang="en"><title>REVISED EASTERN INDIAN OCEAN EVOLUTION</title></titleInfo><titleInfo type="alternative" contentType="CDATA" lang="en"><title>Revised tectonic evolution of the Eastern Indian Ocean</title></titleInfo><name type="personal"><namePart type="given">Joanne M.</namePart><namePart type="family">Whittaker</namePart><affiliation>EarthByte Group, School of Geosciences, The University of Sydney, New South Wales, 2006, Sydney, Australia</affiliation><description>Correspondence: Corresponding author: J. M. Whittaker, EarthByte Group, School of Geosciences, The University of Sydney, Sydney, New South Wales 2006, Australia. ()</description><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Simon E.</namePart><namePart type="family">Williams</namePart><affiliation>EarthByte Group, School of Geosciences, The University of Sydney, New South Wales, 2006, Sydney, Australia</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">R. Dietmar</namePart><namePart type="family">Müller</namePart><affiliation>EarthByte Group, School of Geosciences, The University of Sydney, New South Wales, 2006, Sydney, Australia</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="article" displayLabel="article"></genre><originInfo><publisher>Blackwell Publishing Ltd</publisher><dateIssued encoding="w3cdtf">2013-06</dateIssued><dateCreated encoding="w3cdtf">2013-03-26</dateCreated><dateCaptured encoding="w3cdtf">2012-11-28</dateCaptured><dateValid encoding="w3cdtf">2013-03-13</dateValid><edition>Whittaker, J. M., S. E. Williams, and R. D. Müller (2013), Revised tectonic evolution of the Eastern Indian Ocean, Geochem. Geophys. Geosyst., 14, 1891–1909, doi:10.1002/ggge.20120.</edition><copyrightDate encoding="w3cdtf">2013</copyrightDate></originInfo><language><languageTerm type="code" authority="rfc3066">en</languageTerm><languageTerm type="code" authority="iso639-2b">eng</languageTerm></language><physicalDescription><internetMediaType>text/html</internetMediaType></physicalDescription><abstract>Published plate tectonic models for the Australian‐Antarctic plate pair imply geologically improbable scenarios at either or both ends of the Cretaceous rift and spreading system. Controversy also exists around the location of and motion at the plate boundary extending west of Australia‐Antarctica, through the Kerguelen Plateau region. We present a plate tectonic model of relative motions among India, Australia, and Antarctica from the onset of continental rifting to the establishment of rapid seafloor spreading, at ~43 Ma. The model conforms to a wide range of geological/geophysical evidence and reconstructs the formation of both the western Kerguelen region and the eastern Tasman region. The incorporation of spatiotemporally continuous plate boundaries reveals the presence of a plate boundary beneath the contiguous Central Kerguelen Plateau and Broken Ridge for ~65 Ma. To investigate the relationship between the plate boundary system and the Kerguelen plume, we test three alternative absolute reference frames. Using a fixed hot spot reference frame, the Indian Ocean mid‐ocean ridge system remains within 500 km of the Kerguelen plume, while the proximity of the plate boundaries and the plume is more variable with a moving hot spot reference frame. Proximity between the plume, plate boundaries, and the Central Kerguelen Plateau/Broken Ridge for ~65 Myr suggests that these specific features were not formed by a single, short‐lived (5–10 Myr) pulse of magmatic activity, but rather by a ~25 Myr period of relatively high magma flux followed by ~40 Myr period of lower volume magmatic activity, an interpretation not excluded by the relatively sparse dredge and drill ages.</abstract><abstract type="short">New plate tectonic reconstruction for 160‐43 Ma for Australia‐AntarcticaKerguelen Plateau formed due to long‐standing plume‐plate boundary interactionResults show interaction between plumes, and triple‐junctions/spreading centers</abstract><note type="funding">ARC - No. FL0992245; </note><subject><genre>keywords</genre><topic>plate tectonics</topic><topic>LIPs</topic><topic>Kerguelen Plateau</topic><topic>mantle plume</topic><topic>triple junction</topic></subject><relatedItem type="host"><titleInfo><title>Geochemistry, Geophysics, Geosystems</title></titleInfo><titleInfo type="abbreviated"><title>Geochem. Geophys. Geosyst.</title></titleInfo><genre type="journal">journal</genre><note type="content"> Additional supporting information may be found in the online version of this article.Supporting Info Item: Supporting information - Supporting information - </note><subject><genre>index-terms</genre><topic authorityURI="http://psi.agu.org/taxonomy5/3000">MARINE GEOLOGY AND GEOPHYSICS</topic><topic authorityURI="http://psi.agu.org/taxonomy5/3040">Plate tectonics</topic><topic authorityURI="http://psi.agu.org/taxonomy5/3037">Oceanic hotspots and intraplate volcanism</topic><topic authorityURI="http://psi.agu.org/taxonomy5/8100">TECTONOPHYSICS</topic><topic authorityURI="http://psi.agu.org/taxonomy5/8150">Plate boundary: general</topic><topic authorityURI="http://psi.agu.org/taxonomy5/8155">Plate motions: general</topic><topic authorityURI="http://psi.agu.org/taxonomy5/8157">Plate motions: past</topic><topic authorityURI="http://psi.agu.org/taxonomy5/8158">Plate motions: present and recent</topic></subject><subject><genre>article-category</genre><topic>Regular Article</topic></subject><identifier type="ISSN">1525-2027</identifier><identifier type="eISSN">1525-2027</identifier><identifier type="DOI">10.1002/(ISSN)1525-2027</identifier><identifier type="PublisherID">GGGE</identifier><part><date>2013</date><detail type="volume"><caption>vol.</caption><number>14</number></detail><detail type="issue"><caption>no.</caption><number>6</number></detail><extent unit="pages"><start>1891</start><end>1909</end><total>19</total></extent></part></relatedItem><identifier type="istex">F3B9008D75AF4BD6A9C34B5860101CDC03ED767E</identifier><identifier type="DOI">10.1002/ggge.20120</identifier><identifier type="ArticleID">GGGE20120</identifier><accessCondition type="use and reproduction" contentType="copyright">©2013. American Geophysical Union. All Rights Reserved.©2013. American Geophysical Union. All Rights Reserved.</accessCondition><recordInfo><recordContentSource>WILEY</recordContentSource></recordInfo></mods></metadata><enrichments><json:item><type>multicat</type><uri>https://api.istex.fr/document/F3B9008D75AF4BD6A9C34B5860101CDC03ED767E/enrichments/multicat</uri></json:item></enrichments><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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