Evolution and interaction of migrating cross-are volcanism and backare rifting : An example from the southern Havre Trough (35°S′-37°S)
Identifieur interne : 000475 ( PascalFrancis/Checkpoint ); précédent : 000474; suivant : 000476Evolution and interaction of migrating cross-are volcanism and backare rifting : An example from the southern Havre Trough (35°S′-37°S)
Auteurs : I. C. Wright [Nouvelle-Zélande] ; L. M. Parson [Royaume-Uni] ; J. A. Gamble [Nouvelle-Zélande]Source :
- Journal of geophysical research [ 0148-0227 ] ; 1996.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Migration.
English descriptors
- KwdEn :
Abstract
The active southern Havre Trough (35°20' - 37°S) backarc basin is interpreted to form from the evolution and interaction of migrating cross-arc magmatism, and the progressive development of longitudinal rift grabens. The proposed migration of the proto-Kermadec arc front from the Colville arc at ∼ 5 Ma to the active Kermadec arc margin is recorded by the construction of arc edifices trailed across the intervening, and contemporaneously rifting, backarc complex. Migration trails are identified for at least four arc volcano sources. The Rumble V arc migration trail is the most prominent, forming a continuous, high-standing, magmatic arc ridge. These postulated arc trails segment the backarc region and initially limit rift development to the intervening proto-arc crust blocks. Early rifling between the arc volcanoes forms fully developed rift grabens which, with progressive basin widening, propagate longitudinally across the trails of migrating constructional arc magmatism. A model of the balance between rates of constructional arc magma production MR and destructive back-arc (rifting) extension VF is proposed. When VE is high, MR is insufficient to keep abreast of destructional rifting, resulting in small, isolated arc massifs quickly dismembered by rifting. Conversely, when VE is low, MR is sufficiently greater than rifting to produce a continuous, high-standing cross-arc ridge which segments longitudinal rift development. Migrating arc magmatism will be best observed, and preserved, in rifting backarc basins when MR is > 600 km3 m.y.-1 100 km-1 of plate boundary and VE is < 25 mm a-1.
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en" level="a">Evolution and interaction of migrating cross-are volcanism and backare rifting : An example from the southern Havre Trough (35°S′-37°S)</title><author><name sortKey="Wright, I C" sort="Wright, I C" uniqKey="Wright I" first="I. C." last="Wright">I. C. Wright</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>New Zealand Oceanographic Institute, National Institute of Water and Atmospheric Research</s1><s2>Wellington</s2><s3>NZL</s3><sZ>1 aut.</sZ></inist:fA14><country>Nouvelle-Zélande</country><wicri:noRegion>Wellington</wicri:noRegion></affiliation></author><author><name sortKey="Parson, L M" sort="Parson, L M" uniqKey="Parson L" first="L. M." last="Parson">L. M. Parson</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Southampton Oceanography Centre</s1><s2>Southampton</s2><s3>GBR</s3><sZ>2 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Southampton Oceanography Centre</wicri:noRegion></affiliation></author><author><name sortKey="Gamble, J A" sort="Gamble, J A" uniqKey="Gamble J" first="J. A." last="Gamble">J. A. Gamble</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Geology, Research School of Earth Sciences, Victoria University of Wellington</s1><s2>Wellingon</s2><s3>NZL</s3><sZ>3 aut.</sZ></inist:fA14><country>Nouvelle-Zélande</country><wicri:noRegion>Wellingon</wicri:noRegion></affiliation></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">97-0014305</idno><date when="1996">1996</date><idno type="stanalyst">PASCAL 97-0014305 INIST</idno><idno type="RBID">Pascal:97-0014305</idno><idno type="wicri:Area/PascalFrancis/Corpus">000454</idno><idno type="wicri:Area/PascalFrancis/Curation">000701</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000475</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Evolution and interaction of migrating cross-are volcanism and backare rifting : An example from the southern Havre Trough (35°S′-37°S)</title><author><name sortKey="Wright, I C" sort="Wright, I C" uniqKey="Wright I" first="I. C." last="Wright">I. C. Wright</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>New Zealand Oceanographic Institute, National Institute of Water and Atmospheric Research</s1><s2>Wellington</s2><s3>NZL</s3><sZ>1 aut.</sZ></inist:fA14><country>Nouvelle-Zélande</country><wicri:noRegion>Wellington</wicri:noRegion></affiliation></author><author><name sortKey="Parson, L M" sort="Parson, L M" uniqKey="Parson L" first="L. M." last="Parson">L. M. Parson</name><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Southampton Oceanography Centre</s1><s2>Southampton</s2><s3>GBR</s3><sZ>2 aut.</sZ></inist:fA14><country>Royaume-Uni</country><wicri:noRegion>Southampton Oceanography Centre</wicri:noRegion></affiliation></author><author><name sortKey="Gamble, J A" sort="Gamble, J A" uniqKey="Gamble J" first="J. A." last="Gamble">J. A. Gamble</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Geology, Research School of Earth Sciences, Victoria University of Wellington</s1><s2>Wellingon</s2><s3>NZL</s3><sZ>3 aut.</sZ></inist:fA14><country>Nouvelle-Zélande</country><wicri:noRegion>Wellingon</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Journal of geophysical research</title><title level="j" type="abbreviated">J. geophys. res.</title><idno type="ISSN">0148-0227</idno><imprint><date when="1996">1996</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of geophysical research</title><title level="j" type="abbreviated">J. geophys. res.</title><idno type="ISSN">0148-0227</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Australian Plate</term><term>Kermadec Trench</term><term>North Island</term><term>Pacific Plate</term><term>Side scan sonar</term><term>active margins</term><term>back-arc basins</term><term>bathymetry</term><term>grabens</term><term>imagery</term><term>magmatism</term><term>migration</term><term>rifting</term><term>seismic surveys</term><term>subduction zones</term><term>volcanic arcs</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Bassin arrière arc</term><term>Arc volcanique</term><term>Fosse Kermadec</term><term>Marge active</term><term>Zone subduction</term><term>Magmatisme</term><term>Graben</term><term>Plaque Australienne</term><term>Plaque Pacifique</term><term>Nouvelle Zélande Ile Nord</term><term>Bathymétrie</term><term>Levé sismique</term><term>Imagerie</term><term>Rifting</term><term>Migration</term><term>Sonar vision latérale</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Migration</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The active southern Havre Trough (35°20' - 37°S) backarc basin is interpreted to form from the evolution and interaction of migrating cross-arc magmatism, and the progressive development of longitudinal rift grabens. The proposed migration of the proto-Kermadec arc front from the Colville arc at ∼ 5 Ma to the active Kermadec arc margin is recorded by the construction of arc edifices trailed across the intervening, and contemporaneously rifting, backarc complex. Migration trails are identified for at least four arc volcano sources. The Rumble V arc migration trail is the most prominent, forming a continuous, high-standing, magmatic arc ridge. These postulated arc trails segment the backarc region and initially limit rift development to the intervening proto-arc crust blocks. Early rifling between the arc volcanoes forms fully developed rift grabens which, with progressive basin widening, propagate longitudinally across the trails of migrating constructional arc magmatism. A model of the balance between rates of constructional arc magma production M<sub>R</sub> and destructive back-arc (rifting) extension V<sub>F</sub> is proposed. When V<sub>E</sub> is high, M<sub>R</sub> is insufficient to keep abreast of destructional rifting, resulting in small, isolated arc massifs quickly dismembered by rifting. Conversely, when V<sub>E</sub> is low, M<sub>R</sub> is sufficiently greater than rifting to produce a continuous, high-standing cross-arc ridge which segments longitudinal rift development. Migrating arc magmatism will be best observed, and preserved, in rifting backarc basins when M<sub>R</sub> is > 600 km<sup>3</sup> m.y.<sup>-1</sup> 100 km<sup>-1</sup> of plate boundary and V<sub>E</sub> is < 25 mm a<sup>-1</sup>.</div></front></TEI><inist><standard h6="B"><pA><fA01 i1="01" i2="1"><s0>0148-0227</s0></fA01><fA03 i2="1"><s0>J. geophys. res.</s0></fA03><fA05><s2>101</s2></fA05><fA06><s2>B10</s2></fA06><fA08 i1="01" i2="1" l="ENG"><s1>Evolution and interaction of migrating cross-are volcanism and backare rifting : An example from the southern Havre Trough (35°S′-37°S)</s1></fA08><fA11 i1="01" i2="1"><s1>WRIGHT (I. C.)</s1></fA11><fA11 i1="02" i2="1"><s1>PARSON (L. M.)</s1></fA11><fA11 i1="03" i2="1"><s1>GAMBLE (J. A.)</s1></fA11><fA14 i1="01"><s1>New Zealand Oceanographic Institute, National Institute of Water and Atmospheric Research</s1><s2>Wellington</s2><s3>NZL</s3><sZ>1 aut.</sZ></fA14><fA14 i1="02"><s1>Southampton Oceanography Centre</s1><s2>Southampton</s2><s3>GBR</s3><sZ>2 aut.</sZ></fA14><fA14 i1="03"><s1>Department of Geology, Research School of Earth Sciences, Victoria University of Wellington</s1><s2>Wellingon</s2><s3>NZL</s3><sZ>3 aut.</sZ></fA14><fA20><s1>22071-22086</s1></fA20><fA21><s1>1996</s1></fA21><fA23 i1="01"><s0>ENG</s0></fA23><fA43 i1="01"><s1>INIST</s1><s2>3144</s2><s5>354000052245150160</s5></fA43><fA44><s0>0000</s0><s1>© 1997 INIST-CNRS. All rights reserved.</s1></fA44><fA45><s0>43 ref.</s0></fA45><fA47 i1="01" i2="1"><s0>97-0014305</s0></fA47><fA60><s1>P</s1></fA60><fA61><s0>A</s0></fA61><fA64 i1="01" i2="1"><s0>Journal of geophysical research</s0></fA64><fA66 i1="01"><s0>USA</s0></fA66><fC01 i1="01" l="ENG"><s0>The active southern Havre Trough (35°20' - 37°S) backarc basin is interpreted to form from the evolution and interaction of migrating cross-arc magmatism, and the progressive development of longitudinal rift grabens. The proposed migration of the proto-Kermadec arc front from the Colville arc at ∼ 5 Ma to the active Kermadec arc margin is recorded by the construction of arc edifices trailed across the intervening, and contemporaneously rifting, backarc complex. Migration trails are identified for at least four arc volcano sources. The Rumble V arc migration trail is the most prominent, forming a continuous, high-standing, magmatic arc ridge. These postulated arc trails segment the backarc region and initially limit rift development to the intervening proto-arc crust blocks. Early rifling between the arc volcanoes forms fully developed rift grabens which, with progressive basin widening, propagate longitudinally across the trails of migrating constructional arc magmatism. A model of the balance between rates of constructional arc magma production M<sub>R</sub> and destructive back-arc (rifting) extension V<sub>F</sub> is proposed. When V<sub>E</sub> is high, M<sub>R</sub> is insufficient to keep abreast of destructional rifting, resulting in small, isolated arc massifs quickly dismembered by rifting. Conversely, when V<sub>E</sub> is low, M<sub>R</sub> is sufficiently greater than rifting to produce a continuous, high-standing cross-arc ridge which segments longitudinal rift development. Migrating arc magmatism will be best observed, and preserved, in rifting backarc basins when M<sub>R</sub> is > 600 km<sup>3</sup> m.y.<sup>-1</sup> 100 km<sup>-1</sup> of plate boundary and V<sub>E</sub> is < 25 mm a<sup>-1</sup>.</s0></fC01><fC02 i1="01" i2="2"><s0>225B02</s0></fC02><fC02 i1="02" i2="X"><s0>001E01M02</s0></fC02><fC03 i1="01" i2="2" l="FRE"><s0>Bassin arrière arc</s0><s5>01</s5></fC03><fC03 i1="01" i2="2" l="ENG"><s0>back-arc basins</s0><s5>01</s5></fC03><fC03 i1="01" i2="2" l="SPA"><s0>Cuenca marginal interna</s0><s5>01</s5></fC03><fC03 i1="02" i2="2" l="FRE"><s0>Arc volcanique</s0><s5>02</s5></fC03><fC03 i1="02" i2="2" l="ENG"><s0>volcanic arcs</s0><s5>02</s5></fC03><fC03 i1="03" i2="2" l="FRE"><s0>Fosse Kermadec</s0><s2>NG</s2><s5>03</s5></fC03><fC03 i1="03" i2="2" l="ENG"><s0>Kermadec Trench</s0><s2>NG</s2><s5>03</s5></fC03><fC03 i1="04" i2="2" l="FRE"><s0>Marge active</s0><s5>04</s5></fC03><fC03 i1="04" i2="2" l="ENG"><s0>active margins</s0><s5>04</s5></fC03><fC03 i1="05" i2="2" l="FRE"><s0>Zone subduction</s0><s5>05</s5></fC03><fC03 i1="05" i2="2" l="ENG"><s0>subduction zones</s0><s5>05</s5></fC03><fC03 i1="05" i2="2" l="SPA"><s0>Zona subducto</s0><s5>05</s5></fC03><fC03 i1="06" i2="2" l="FRE"><s0>Magmatisme</s0><s5>06</s5></fC03><fC03 i1="06" i2="2" l="ENG"><s0>magmatism</s0><s5>06</s5></fC03><fC03 i1="06" i2="2" l="SPA"><s0>Magmatismo</s0><s5>06</s5></fC03><fC03 i1="07" i2="2" l="FRE"><s0>Graben</s0><s5>07</s5></fC03><fC03 i1="07" i2="2" l="ENG"><s0>grabens</s0><s5>07</s5></fC03><fC03 i1="07" i2="2" l="SPA"><s0>Graben</s0><s5>07</s5></fC03><fC03 i1="08" i2="2" l="FRE"><s0>Plaque Australienne</s0><s5>08</s5></fC03><fC03 i1="08" i2="2" l="ENG"><s0>Australian Plate</s0><s5>08</s5></fC03><fC03 i1="09" i2="2" l="FRE"><s0>Plaque Pacifique</s0><s5>09</s5></fC03><fC03 i1="09" i2="2" l="ENG"><s0>Pacific Plate</s0><s5>09</s5></fC03><fC03 i1="09" i2="2" l="SPA"><s0>Placa Pacífico</s0><s5>09</s5></fC03><fC03 i1="10" i2="2" l="FRE"><s0>Nouvelle Zélande Ile Nord</s0><s2>NG</s2><s5>10</s5></fC03><fC03 i1="10" i2="2" l="ENG"><s0>North Island</s0><s2>NG</s2><s5>10</s5></fC03><fC03 i1="10" i2="2" l="SPA"><s0>Nueva Zelanda Isla Norte</s0><s2>NG</s2><s5>10</s5></fC03><fC03 i1="11" i2="2" l="FRE"><s0>Bathymétrie</s0><s5>11</s5></fC03><fC03 i1="11" i2="2" l="ENG"><s0>bathymetry</s0><s5>11</s5></fC03><fC03 i1="11" i2="2" l="SPA"><s0>Batimetría</s0><s5>11</s5></fC03><fC03 i1="12" i2="2" l="FRE"><s0>Levé sismique</s0><s5>12</s5></fC03><fC03 i1="12" i2="2" l="ENG"><s0>seismic surveys</s0><s5>12</s5></fC03><fC03 i1="12" i2="2" l="SPA"><s0>Levantamiento sísmico</s0><s5>12</s5></fC03><fC03 i1="13" i2="2" l="FRE"><s0>Imagerie</s0><s5>13</s5></fC03><fC03 i1="13" i2="2" l="ENG"><s0>imagery</s0><s5>13</s5></fC03><fC03 i1="13" i2="2" l="SPA"><s0>Imaginería</s0><s5>13</s5></fC03><fC03 i1="14" i2="2" l="FRE"><s0>Rifting</s0><s5>14</s5></fC03><fC03 i1="14" i2="2" l="ENG"><s0>rifting</s0><s5>14</s5></fC03><fC03 i1="15" i2="2" l="FRE"><s0>Migration</s0><s5>27</s5></fC03><fC03 i1="15" i2="2" l="ENG"><s0>migration</s0><s5>27</s5></fC03><fC03 i1="15" i2="2" l="SPA"><s0>Migración</s0><s5>27</s5></fC03><fC03 i1="16" i2="X" l="FRE"><s0>Sonar vision latérale</s0><s5>28</s5></fC03><fC03 i1="16" i2="X" l="ENG"><s0>Side scan sonar</s0><s5>28</s5></fC03><fC03 i1="16" i2="X" l="SPA"><s0>Sonar visión lateral</s0><s5>28</s5></fC03><fC07 i1="01" i2="2" l="FRE"><s0>Océan Pacifique Sud</s0><s2>NG</s2></fC07><fC07 i1="01" i2="2" l="ENG"><s0>South Pacific</s0><s2>NG</s2></fC07><fC07 i1="02" i2="2" l="FRE"><s0>Océan Pacifique</s0></fC07><fC07 i1="02" i2="2" l="ENG"><s0>Pacific Ocean</s0></fC07><fC07 i1="02" i2="2" l="SPA"><s0>Océano Pacífico</s0></fC07><fC07 i1="03" i2="2" l="FRE"><s0>Nouvelle Zélande</s0><s2>NG</s2></fC07><fC07 i1="03" i2="2" l="ENG"><s0>New Zealand</s0><s2>NG</s2></fC07><fC07 i1="03" i2="2" l="SPA"><s0>Nueva Zelandia</s0><s2>NG</s2></fC07><fC07 i1="04" i2="2" l="FRE"><s0>Australasie</s0></fC07><fC07 i1="04" i2="2" l="ENG"><s0>Australasia</s0></fC07><fC07 i1="04" i2="2" l="SPA"><s0>Australasia</s0></fC07><fN21><s1>006</s1></fN21></pA></standard></inist><affiliations><list><country><li>Nouvelle-Zélande</li><li>Royaume-Uni</li></country></list><tree><country name="Nouvelle-Zélande"><noRegion><name sortKey="Wright, I C" sort="Wright, I C" uniqKey="Wright I" first="I. C." last="Wright">I. C. Wright</name></noRegion><name sortKey="Gamble, J A" sort="Gamble, J A" uniqKey="Gamble J" first="J. A." last="Gamble">J. A. Gamble</name></country><country name="Royaume-Uni"><noRegion><name sortKey="Parson, L M" sort="Parson, L M" uniqKey="Parson L" first="L. M." last="Parson">L. M. Parson</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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