Magma mixing at Nisyros volcano, as inferred from incompatible trace-element systematics
Identifieur interne : 000400 ( Main/Exploration ); précédent : 000399; suivant : 000401Magma mixing at Nisyros volcano, as inferred from incompatible trace-element systematics
Auteurs : K. S. Seymour [Canada] ; D. VlassopoulosSource :
- Journal of volcanology and geothermal research [ 0377-0273 ] ; 1992.
Descripteurs français
- Pascal (Inist)
- Magma, Mélange, Analyse élément trace, Arc volcanique, Quaternaire, Andésite, Rhyodacite, Composition calcoalcaline, Analyse chimique, Cristallisation fractionnée, Fractionnement chimique, Ponce, Phénocristal, Chambre magmatique, Magma basique, Association minérale, Mer Egée, Pillow lava, Pyroclastique, Terre rare, Donnée microsonde électronique, Volcan Nisyros.
English descriptors
- KwdEn :
- Aegean Sea, Quaternary, andesites, calc-alkalic composition, chemical composition, chemical fractionation, electron probe data, fractional crystallization, mafic magmas, magma chambers, magmas, melange, mineral assemblages, phenocrysts, pillow lava, pumice, pyroclastics, rare earths, rhyodacites, trace elements, volcanic arcs.
Abstract
Rocks of the calc-alkaline volcanic complex of Nisyros, at the eastern end of the Quaternary South Aegean volcanic arc, range in composition from basaltic andesite to rhyodacite, Major- and compatible trace-element systematics are dominated by crystal fractionation, involving olivine, clinopyroxene, plagioclase, and magnetite in the mafic to intermediate compositional range and plagioclase, clinopyroxene, hypersthene, Fe-Ti oxides, and apatite in the intermediate to silicic range, although there is a marked paucity of lavas with 60-66 wt.% SiO2
Affiliations:
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- to stream Main, to step Curation: 000400
Le document en format XML
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Vlassopoulos</name></author></titleStmt><publicationStmt><idno type="wicri:source">INIST</idno><idno type="inist">93-0028457</idno><date when="1992">1992</date><idno type="stanalyst">PASCAL 93-0028457 INIST</idno><idno type="RBID">Pascal:93-0028457</idno><idno type="wicri:Area/PascalFrancis/Corpus">000061</idno><idno type="wicri:Area/PascalFrancis/Curation">000063</idno><idno type="wicri:Area/PascalFrancis/Checkpoint">000056</idno><idno type="wicri:explorRef" wicri:stream="PascalFrancis" wicri:step="Checkpoint">000056</idno><idno type="wicri:doubleKey">0377-0273:1992:Seymour K:magma:mixing:at</idno><idno type="wicri:Area/Main/Merge">000414</idno><idno type="wicri:Area/Main/Curation">000400</idno><idno type="wicri:Area/Main/Exploration">000400</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Magma mixing at Nisyros volcano, as inferred from incompatible trace-element systematics</title><author><name sortKey="Seymour, K S" sort="Seymour, K S" uniqKey="Seymour K" first="K. S." last="Seymour">K. S. Seymour</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>Concordia univ., geology dep.</s1><s2>Montreal PQ H4B 1R6</s2><s3>CAN</s3></inist:fA14><country>Canada</country><wicri:noRegion>Montreal PQ H4B 1R6</wicri:noRegion></affiliation></author><author><name sortKey="Vlassopoulos, D" sort="Vlassopoulos, D" uniqKey="Vlassopoulos D" first="D." last="Vlassopoulos">D. Vlassopoulos</name></author></analytic><series><title level="j" type="main">Journal of volcanology and geothermal research</title><title level="j" type="abbreviated">J. volcanol. geotherm. res.</title><idno type="ISSN">0377-0273</idno><imprint><date when="1992">1992</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of volcanology and geothermal research</title><title level="j" type="abbreviated">J. volcanol. geotherm. res.</title><idno type="ISSN">0377-0273</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aegean Sea</term><term>Quaternary</term><term>andesites</term><term>calc-alkalic composition</term><term>chemical composition</term><term>chemical fractionation</term><term>electron probe data</term><term>fractional crystallization</term><term>mafic magmas</term><term>magma chambers</term><term>magmas</term><term>melange</term><term>mineral assemblages</term><term>phenocrysts</term><term>pillow lava</term><term>pumice</term><term>pyroclastics</term><term>rare earths</term><term>rhyodacites</term><term>trace elements</term><term>volcanic arcs</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Magma</term><term>Mélange</term><term>Analyse élément trace</term><term>Arc volcanique</term><term>Quaternaire</term><term>Andésite</term><term>Rhyodacite</term><term>Composition calcoalcaline</term><term>Analyse chimique</term><term>Cristallisation fractionnée</term><term>Fractionnement chimique</term><term>Ponce</term><term>Phénocristal</term><term>Chambre magmatique</term><term>Magma basique</term><term>Association minérale</term><term>Mer Egée</term><term>Pillow lava</term><term>Pyroclastique</term><term>Terre rare</term><term>Donnée microsonde électronique</term><term>Volcan Nisyros</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Rocks of the calc-alkaline volcanic complex of Nisyros, at the eastern end of the Quaternary South Aegean volcanic arc, range in composition from basaltic andesite to rhyodacite, Major- and compatible trace-element systematics are dominated by crystal fractionation, involving olivine, clinopyroxene, plagioclase, and magnetite in the mafic to intermediate compositional range and plagioclase, clinopyroxene, hypersthene, Fe-Ti oxides, and apatite in the intermediate to silicic range, although there is a marked paucity of lavas with 60-66 wt.% SiO<sub>2</sub></div></front></TEI><affiliations><list><country><li>Canada</li></country></list><tree><noCountry><name sortKey="Vlassopoulos, D" sort="Vlassopoulos, D" uniqKey="Vlassopoulos D" first="D." last="Vlassopoulos">D. Vlassopoulos</name></noCountry><country name="Canada"><noRegion><name sortKey="Seymour, K S" sort="Seymour, K S" uniqKey="Seymour K" first="K. S." last="Seymour">K. S. Seymour</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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