Yttrium and rare earth elements in fluids from various deep-sea hydrothermal systems
Identifieur interne : 003332 ( Istex/Corpus ); précédent : 003331; suivant : 003333Yttrium and rare earth elements in fluids from various deep-sea hydrothermal systems
Auteurs : Eric Douville ; Philippe Bienvenu ; Jean Luc Charlou ; Jean Pierre Donval ; Yves Fouquet ; Pierre Appriou ; Toshitaka GamoSource :
- Geochimica et Cosmochimica Acta [ 0016-7037 ] ; 1999.
English descriptors
- KwdEn :
- Acta, Anomaly, Aqueous geochemistry, Auzende, Barite, Barite precipitation, Basin, Black smokers, Bougault, Charlou, Chem, Chemical composition, Chloride ions, Chlorinity, Chondrite, Complexation, Cosmochim, Cruise, Crystochemical exchange, Damm, Desmos, Dissociation constants, Diva, Donval, Douville, Dulski, Earth planet, East rise, Edmond, Eiffel tower, Eld, Formation constants, Fouquet, Gamo, Geochim, Geol, Geological society, Geophys, Gwen, High chlorinity, High temperature, Hydrothermal, Hydrothermal activity, Hydrothermal circulation, Hydrothermal systems, Ionic radius, Klinkhammer, Lanthanide, Lett, Ligand, Lili, Lree, Lree enrichment, Lucky strike, Lucky strike vent, Magmatic, Manus, Manus basin, Menez, Menez gwen, Michard, Mitra, Molar, Ondreas, Oxidation state, Pacmanus, Phase separation, Phenocrysts, Plagioclase, Plagioclase phenocrysts, Plagioclase samples, Precipitation, Rare earth elements, Reen, Reen patterns, Seawater, Snakepit, Speciation, Speciation calculations, Stability constants, Sulfate, Sulfate complexes, Sulfate ions, Tectonic activity, Uids, Uoride, Uoride ions, Vienna woods, Volcanic activity, Yttrium.
- Teeft :
- Acta, Anomaly, Aqueous geochemistry, Auzende, Barite, Barite precipitation, Basin, Black smokers, Bougault, Charlou, Chem, Chemical composition, Chloride ions, Chlorinity, Chondrite, Complexation, Cosmochim, Cruise, Crystochemical exchange, Damm, Desmos, Dissociation constants, Diva, Donval, Douville, Dulski, Earth planet, East rise, Edmond, Eiffel tower, Eld, Formation constants, Fouquet, Gamo, Geochim, Geol, Geological society, Geophys, Gwen, High chlorinity, High temperature, Hydrothermal, Hydrothermal activity, Hydrothermal circulation, Hydrothermal systems, Ionic radius, Klinkhammer, Lanthanide, Lett, Ligand, Lili, Lree, Lree enrichment, Lucky strike, Lucky strike vent, Magmatic, Manus, Manus basin, Menez, Menez gwen, Michard, Mitra, Molar, Ondreas, Oxidation state, Pacmanus, Phase separation, Phenocrysts, Plagioclase, Plagioclase phenocrysts, Plagioclase samples, Precipitation, Rare earth elements, Reen, Reen patterns, Seawater, Snakepit, Speciation, Speciation calculations, Stability constants, Sulfate, Sulfate complexes, Sulfate ions, Tectonic activity, Uids, Uoride, Uoride ions, Vienna woods, Volcanic activity, Yttrium.
Abstract
Abstract: Rare earth element (REE) and yttrium (Y) concentrations were measured in fluids collected from deep-sea hydrothermal systems including the Mid-Atlantic Ridge (MAR), i.e., Menez Gwen, Lucky Strike, TAG, and Snakepit; the East Pacific Rise (EPR), i.e., 13°N and 17–19°S; and the Lau (Vai Lili) and Manus (Vienna Woods, PacManus, Desmos) Back-Arc Basins (BAB) in the South-West Pacific. In most fluids, Y is trivalent and behaves like Ho. Chondrite normalized Y-REE (Y-REEN) concentrations of fluids from MAR, EPR, and two BAB sites, i.e., Vai Lili and Vienna Woods, showed common patterns with LREE enrichment and positive Eu anomalies. REE analysis of plagioclase collected at Lucky Strike strengthens the idea that fluid REE contents, are controlled by plagioclase phenocrysts. Other processes, however, such as REE complexation by ligands (Cl−, F− SO42−), secondary phase precipitation, and phase separation modify REE distributions in deep-sea hydrothermal fluids. REE speciation calculations suggest that aqueous REE are mainly complexed by Cl− ions in hot acidic fluids from deep-sea hydrothermal systems. REE concentrations in the fluid phases are, therefore, influenced by temperature, pH, and duration of rock-fluid interaction. Unusual Y-REEN patterns found in the PacManus fluids are characterized by depleted LREE and a positive Eu anomaly. The Demos fluid sample shows a flat Y-REEN pattern, which increases regularly from LREE to HREE with no Eu anomaly. These Manus Basin fluids also have an unusual major element chemistry with relatively high Mg, SO4, H2S, and F contents, which may be due to the incorporation of magmatic fluids into heated seawater during hydrothermal circulation. REE distribution in PacManus fluids may stem from a subseafloor barite precipitation and the REE in Demos fluids are likely influenced by the presence of sulfate ions.
Url:
DOI: 10.1016/S0016-7037(99)00024-1
Links to Exploration step
ISTEX:E88F475F879D0C033282F7AE538E2B952BB9E8A1Le document en format XML
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sortKey="Donval, Jean Pierre" sort="Donval, Jean Pierre" uniqKey="Donval J" first="Jean Pierre" last="Donval">Jean Pierre Donval</name><affiliation><mods:affiliation>IFREMER Centre de Brest, DRO/GM, 29280 Plouzané, France</mods:affiliation></affiliation></author><author><name sortKey="Fouquet, Yves" sort="Fouquet, Yves" uniqKey="Fouquet Y" first="Yves" last="Fouquet">Yves Fouquet</name><affiliation><mods:affiliation>IFREMER Centre de Brest, DRO/GM, 29280 Plouzané, France</mods:affiliation></affiliation></author><author><name sortKey="Appriou, Pierre" sort="Appriou, Pierre" uniqKey="Appriou P" first="Pierre" last="Appriou">Pierre Appriou</name><affiliation><mods:affiliation>Département de Chimie, Université Bretagne Occidentale, 29200 Brest, France</mods:affiliation></affiliation></author><author><name sortKey="Gamo, Toshitaka" sort="Gamo, Toshitaka" uniqKey="Gamo T" first="Toshitaka" last="Gamo">Toshitaka Gamo</name><affiliation><mods:affiliation>Ocean Research Institute, University of Tokyo, Nakano, Tokyo 164, Japan</mods:affiliation></affiliation></author></analytic><monogr></monogr><series><title level="j">Geochimica et Cosmochimica Acta</title><title level="j" type="abbrev">GCA</title><idno type="ISSN">0016-7037</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1999">1999</date><biblScope unit="volume">63</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="627">627</biblScope><biblScope unit="page" to="643">643</biblScope></imprint><idno type="ISSN">0016-7037</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0016-7037</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Acta</term><term>Anomaly</term><term>Aqueous geochemistry</term><term>Auzende</term><term>Barite</term><term>Barite precipitation</term><term>Basin</term><term>Black smokers</term><term>Bougault</term><term>Charlou</term><term>Chem</term><term>Chemical composition</term><term>Chloride ions</term><term>Chlorinity</term><term>Chondrite</term><term>Complexation</term><term>Cosmochim</term><term>Cruise</term><term>Crystochemical exchange</term><term>Damm</term><term>Desmos</term><term>Dissociation constants</term><term>Diva</term><term>Donval</term><term>Douville</term><term>Dulski</term><term>Earth planet</term><term>East rise</term><term>Edmond</term><term>Eiffel tower</term><term>Eld</term><term>Formation constants</term><term>Fouquet</term><term>Gamo</term><term>Geochim</term><term>Geol</term><term>Geological society</term><term>Geophys</term><term>Gwen</term><term>High chlorinity</term><term>High temperature</term><term>Hydrothermal</term><term>Hydrothermal activity</term><term>Hydrothermal circulation</term><term>Hydrothermal systems</term><term>Ionic radius</term><term>Klinkhammer</term><term>Lanthanide</term><term>Lett</term><term>Ligand</term><term>Lili</term><term>Lree</term><term>Lree enrichment</term><term>Lucky strike</term><term>Lucky strike vent</term><term>Magmatic</term><term>Manus</term><term>Manus basin</term><term>Menez</term><term>Menez gwen</term><term>Michard</term><term>Mitra</term><term>Molar</term><term>Ondreas</term><term>Oxidation state</term><term>Pacmanus</term><term>Phase separation</term><term>Phenocrysts</term><term>Plagioclase</term><term>Plagioclase phenocrysts</term><term>Plagioclase samples</term><term>Precipitation</term><term>Rare earth elements</term><term>Reen</term><term>Reen patterns</term><term>Seawater</term><term>Snakepit</term><term>Speciation</term><term>Speciation calculations</term><term>Stability constants</term><term>Sulfate</term><term>Sulfate complexes</term><term>Sulfate ions</term><term>Tectonic activity</term><term>Uids</term><term>Uoride</term><term>Uoride ions</term><term>Vienna woods</term><term>Volcanic activity</term><term>Yttrium</term></keywords><keywords scheme="Teeft" xml:lang="en"><term>Acta</term><term>Anomaly</term><term>Aqueous geochemistry</term><term>Auzende</term><term>Barite</term><term>Barite precipitation</term><term>Basin</term><term>Black smokers</term><term>Bougault</term><term>Charlou</term><term>Chem</term><term>Chemical composition</term><term>Chloride ions</term><term>Chlorinity</term><term>Chondrite</term><term>Complexation</term><term>Cosmochim</term><term>Cruise</term><term>Crystochemical exchange</term><term>Damm</term><term>Desmos</term><term>Dissociation constants</term><term>Diva</term><term>Donval</term><term>Douville</term><term>Dulski</term><term>Earth planet</term><term>East rise</term><term>Edmond</term><term>Eiffel tower</term><term>Eld</term><term>Formation constants</term><term>Fouquet</term><term>Gamo</term><term>Geochim</term><term>Geol</term><term>Geological society</term><term>Geophys</term><term>Gwen</term><term>High chlorinity</term><term>High temperature</term><term>Hydrothermal</term><term>Hydrothermal activity</term><term>Hydrothermal circulation</term><term>Hydrothermal systems</term><term>Ionic radius</term><term>Klinkhammer</term><term>Lanthanide</term><term>Lett</term><term>Ligand</term><term>Lili</term><term>Lree</term><term>Lree enrichment</term><term>Lucky strike</term><term>Lucky strike vent</term><term>Magmatic</term><term>Manus</term><term>Manus basin</term><term>Menez</term><term>Menez gwen</term><term>Michard</term><term>Mitra</term><term>Molar</term><term>Ondreas</term><term>Oxidation state</term><term>Pacmanus</term><term>Phase separation</term><term>Phenocrysts</term><term>Plagioclase</term><term>Plagioclase phenocrysts</term><term>Plagioclase samples</term><term>Precipitation</term><term>Rare earth elements</term><term>Reen</term><term>Reen patterns</term><term>Seawater</term><term>Snakepit</term><term>Speciation</term><term>Speciation calculations</term><term>Stability constants</term><term>Sulfate</term><term>Sulfate complexes</term><term>Sulfate ions</term><term>Tectonic activity</term><term>Uids</term><term>Uoride</term><term>Uoride ions</term><term>Vienna woods</term><term>Volcanic activity</term><term>Yttrium</term></keywords></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Abstract: Rare earth element (REE) and yttrium (Y) concentrations were measured in fluids collected from deep-sea hydrothermal systems including the Mid-Atlantic Ridge (MAR), i.e., Menez Gwen, Lucky Strike, TAG, and Snakepit; the East Pacific Rise (EPR), i.e., 13°N and 17–19°S; and the Lau (Vai Lili) and Manus (Vienna Woods, PacManus, Desmos) Back-Arc Basins (BAB) in the South-West Pacific. In most fluids, Y is trivalent and behaves like Ho. Chondrite normalized Y-REE (Y-REEN) concentrations of fluids from MAR, EPR, and two BAB sites, i.e., Vai Lili and Vienna Woods, showed common patterns with LREE enrichment and positive Eu anomalies. REE analysis of plagioclase collected at Lucky Strike strengthens the idea that fluid REE contents, are controlled by plagioclase phenocrysts. Other processes, however, such as REE complexation by ligands (Cl−, F− SO42−), secondary phase precipitation, and phase separation modify REE distributions in deep-sea hydrothermal fluids. REE speciation calculations suggest that aqueous REE are mainly complexed by Cl− ions in hot acidic fluids from deep-sea hydrothermal systems. REE concentrations in the fluid phases are, therefore, influenced by temperature, pH, and duration of rock-fluid interaction. Unusual Y-REEN patterns found in the PacManus fluids are characterized by depleted LREE and a positive Eu anomaly. The Demos fluid sample shows a flat Y-REEN pattern, which increases regularly from LREE to HREE with no Eu anomaly. These Manus Basin fluids also have an unusual major element chemistry with relatively high Mg, SO4, H2S, and F contents, which may be due to the incorporation of magmatic fluids into heated seawater during hydrothermal circulation. REE distribution in PacManus fluids may stem from a subseafloor barite precipitation and the REE in Demos fluids are likely influenced by the presence of sulfate ions.</div></front></TEI><istex><corpusName>elsevier</corpusName><keywords><teeft><json:string>uids</json:string><json:string>hydrothermal</json:string><json:string>lucky strike</json:string><json:string>plagioclase</json:string><json:string>desmos</json:string><json:string>acta</json:string><json:string>geochim</json:string><json:string>charlou</json:string><json:string>pacmanus</json:string><json:string>cosmochim</json:string><json:string>menez</json:string><json:string>fouquet</json:string><json:string>lree</json:string><json:string>seawater</json:string><json:string>rare earth elements</json:string><json:string>manus</json:string><json:string>klinkhammer</json:string><json:string>menez 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separation</json:string><json:string>complexation</json:string><json:string>douville</json:string><json:string>magmatic</json:string><json:string>plagioclase phenocrysts</json:string><json:string>bougault</json:string><json:string>precipitation</json:string><json:string>vienna woods</json:string><json:string>dulski</json:string><json:string>gamo</json:string><json:string>ondreas</json:string><json:string>lanthanide</json:string><json:string>barite</json:string><json:string>anomaly</json:string><json:string>lucky strike vent</json:string><json:string>sulfate ions</json:string><json:string>hydrothermal activity</json:string><json:string>lree enrichment</json:string><json:string>dissociation constants</json:string><json:string>chloride ions</json:string><json:string>volcanic activity</json:string><json:string>sulfate complexes</json:string><json:string>hydrothermal systems</json:string><json:string>plagioclase samples</json:string><json:string>high temperature</json:string><json:string>geological society</json:string><json:string>cruise</json:string><json:string>lili</json:string><json:string>molar</json:string><json:string>diva</json:string><json:string>ligand</json:string><json:string>stability constants</json:string><json:string>hydrothermal circulation</json:string><json:string>speciation calculations</json:string><json:string>barite precipitation</json:string><json:string>high chlorinity</json:string><json:string>chemical composition</json:string><json:string>formation constants</json:string><json:string>oxidation state</json:string><json:string>ionic radius</json:string><json:string>tectonic activity</json:string><json:string>reen patterns</json:string><json:string>black smokers</json:string><json:string>crystochemical exchange</json:string><json:string>eiffel tower</json:string><json:string>uoride ions</json:string><json:string>aqueous geochemistry</json:string><json:string>basin</json:string><json:string>enrichment</json:string></teeft></keywords><author><json:item><name>Eric Douville</name><affiliations><json:string>Département de Chimie, Université Bretagne Occidentale, 29200 Brest, France</json:string></affiliations></json:item><json:item><name>Philippe Bienvenu</name><affiliations><json:string>Laboratoire d’Analyses Radiochimiques et Chimiques, CEA Cadarache, 13108 Saint Paul Lez Durance, France</json:string></affiliations></json:item><json:item><name>Jean Luc Charlou</name><affiliations><json:string>E-mail: charlou@ifremer.fr</json:string><json:string>IFREMER Centre de Brest, DRO/GM, 29280 Plouzané, France</json:string></affiliations></json:item><json:item><name>Jean Pierre Donval</name><affiliations><json:string>IFREMER Centre de Brest, DRO/GM, 29280 Plouzané, France</json:string></affiliations></json:item><json:item><name>Yves Fouquet</name><affiliations><json:string>IFREMER Centre de Brest, DRO/GM, 29280 Plouzané, France</json:string></affiliations></json:item><json:item><name>Pierre Appriou</name><affiliations><json:string>Département de Chimie, Université Bretagne Occidentale, 29200 Brest, France</json:string></affiliations></json:item><json:item><name>Toshitaka Gamo</name><affiliations><json:string>Ocean Research Institute, University of Tokyo, Nakano, Tokyo 164, Japan</json:string></affiliations></json:item></author><language><json:string>eng</json:string></language><originalGenre><json:string>Full-length article</json:string></originalGenre><abstract>Rare earth element (REE) and yttrium (Y) concentrations were measured in fluids collected from deep-sea hydrothermal systems including the Mid-Atlantic Ridge (MAR), i.e., Menez Gwen, Lucky Strike, TAG, and Snakepit; the East Pacific Rise (EPR), i.e., 13°N and 17–19°S; and the Lau (Vai Lili) and Manus (Vienna Woods, PacManus, Desmos) Back-Arc Basins (BAB) in the South-West Pacific. In most fluids, Y is trivalent and behaves like Ho. Chondrite normalized Y-REE (Y-REEN) concentrations of fluids from MAR, EPR, and two BAB sites, i.e., Vai Lili and Vienna Woods, showed common patterns with LREE enrichment and positive Eu anomalies. REE analysis of plagioclase collected at Lucky Strike strengthens the idea that fluid REE contents, are controlled by plagioclase phenocrysts. Other processes, however, such as REE complexation by ligands (Cl−, F− SO42−), secondary phase precipitation, and phase separation modify REE distributions in deep-sea hydrothermal fluids. REE speciation calculations suggest that aqueous REE are mainly complexed by Cl− ions in hot acidic fluids from deep-sea hydrothermal systems. REE concentrations in the fluid phases are, therefore, influenced by temperature, pH, and duration of rock-fluid interaction. Unusual Y-REEN patterns found in the PacManus fluids are characterized by depleted LREE and a positive Eu anomaly. The Demos fluid sample shows a flat Y-REEN pattern, which increases regularly from LREE to HREE with no Eu anomaly. These Manus Basin fluids also have an unusual major element chemistry with relatively high Mg, SO4, H2S, and F contents, which may be due to the incorporation of magmatic fluids into heated seawater during hydrothermal circulation. REE distribution in PacManus fluids may stem from a subseafloor barite precipitation and the REE in Demos fluids are likely influenced by the presence of sulfate ions.</abstract><qualityIndicators><score>8</score><pdfVersion>1.2</pdfVersion><pdfPageSize>586 x 785 pts</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>0</keywordCount><abstractCharCount>1866</abstractCharCount><pdfWordCount>9329</pdfWordCount><pdfCharCount>59925</pdfCharCount><pdfPageCount>17</pdfPageCount><abstractWordCount>281</abstractWordCount></qualityIndicators><title>Yttrium and rare earth elements in fluids from various deep-sea hydrothermal systems</title><pii><json:string>S0016-7037(99)00024-1</json:string></pii><genre><json:string>research-article</json:string></genre><host><title>Geochimica et Cosmochimica Acta</title><language><json:string>unknown</json:string></language><publicationDate>1999</publicationDate><issn><json:string>0016-7037</json:string></issn><pii><json:string>S0016-7037(00)X0081-6</json:string></pii><volume>63</volume><issue>5</issue><pages><first>627</first><last>643</last></pages><genre><json:string>journal</json:string></genre></host><categories><wos><json:string>science</json:string><json:string>geochemistry & geophysics</json:string></wos><scienceMetrix><json:string>natural sciences</json:string><json:string>earth & environmental sciences</json:string><json:string>geochemistry & geophysics</json:string></scienceMetrix><inist><json:string>sciences appliquees, technologies et medecines</json:string><json:string>sciences biologiques et medicales</json:string><json:string>sciences biologiques fondamentales et appliquees. psychologie</json:string><json:string>invertebres</json:string></inist></categories><publicationDate>1999</publicationDate><copyrightDate>1999</copyrightDate><doi><json:string>10.1016/S0016-7037(99)00024-1</json:string></doi><id>E88F475F879D0C033282F7AE538E2B952BB9E8A1</id><score>1</score><fulltext><json:item><extension>pdf</extension><original>true</original><mimetype>application/pdf</mimetype><uri>https://api.istex.fr/document/E88F475F879D0C033282F7AE538E2B952BB9E8A1/fulltext/pdf</uri></json:item><json:item><extension>zip</extension><original>false</original><mimetype>application/zip</mimetype><uri>https://api.istex.fr/document/E88F475F879D0C033282F7AE538E2B952BB9E8A1/fulltext/zip</uri></json:item><istex:fulltextTEI uri="https://api.istex.fr/document/E88F475F879D0C033282F7AE538E2B952BB9E8A1/fulltext/tei"><teiHeader><fileDesc><titleStmt><title level="a" type="main" xml:lang="en">Yttrium and rare earth elements in fluids from various deep-sea hydrothermal systems</title></titleStmt><publicationStmt><authority>ISTEX</authority><publisher>ELSEVIER</publisher><availability><p>©1999 Elsevier Science Ltd</p></availability><date>1999</date></publicationStmt><notesStmt><note type="content">Section title: Articles</note><note type="content">Fig. 1: Location of submarine hydrothermal sites: Menez Gwen (37°50’N), Lucky Strike (37°17’N), TAG (26°N), and Snakepit (23°N) along Mid-Atlantic Ridge; 13°N and 17–19°S areas along East Pacific Rise; Lau and Manus Basins in Back-Arc systems of South-West Pacific.</note><note type="content">Fig. 2: Comparison of REEN data from this and previous studies. Fluid sample, “HS88 10/1,” from Snakepit was reported by Michard (1989). Fluid samples from Eiffel Tower and Mrk-7 vent fields collected during the Lucky Strike-Alvin cruise (1993) were analyzed by Klinkhammer et al. (1995). YN results measured for samples HS88 10/1, 2608 Ti8, and 2607 Ti10 are also presented.</note><note type="content">Fig. 3: Y-REE abundance patterns normalized to chondrite for end-member hydrothermal fluids from Mid-Atlantic Ridge: (a) TAG (2583Ti4BS, 2598Ti8BS); (b) Snakepit (MS15D2, MS17D2); (c) Lucky Strike (Div1.1D3, Div1.3G1, Div1.9D1, Div1.9D3); (d) Lucky Strike (Div1.17G1, Div1.17G3, Div1.19D3) and Menez Gwen (Div1.14D1). Seawater data are from Mitra et al. (1994) and German et al. (1990).</note><note type="content">Fig. 4: Y-REE abundance patterns normalized to chondrite for end-member hydrothermal fluids from the East Pacific Rise and the Lau and Manus Back-Arc Basins: (a) 13°N, EPR (HR22B4, CY8219G2) and 17–19°S, EPR (ND17G2, ND08G2, ND03G2); (b) Vai-Lili in the Lau Basin (PL20D1, PL22D2) and Vienna Woods in the Manus Basin (307-3, 308-3); (c) PacManus in the Manus Basin (301-3, 301-7); (d) Desmos in the Manus Basin (302-3). Seawater data are from Mitra et al. (1994) and German et al. (1990).</note><note type="content">Fig. 5: Chondrite-normalized plagioclase and fluid REE concentrations plotted against the REE ionic radius in eightfold coordination (Shannon, 1976): (a) Snakepit fluids and Lucky Strike fluids and plagioclase samples; (b) Lucky Strike and Menez Gwen fluids; (c) Vai Lili (Lau Basin), Vienna Woods (Manus Basin), and Lucky Strike fluids; (d) 13°N EPR, 17-19°S EPR, TAG, PacManus (Manus Basin) and Desmos (Manus Basin) fluids.</note><note type="content">Fig. 6: Chondrite normalized REE patterns of plagioclase phenocrysts from porphyritic MORB collected near the Lucky Strike vent fields. REE concentrations measured in plagioclase samples (samples n°1 and n°2) and average values used in the normalization of Lucky Strike REE fluids shown in Fig. 7.</note><note type="content">Fig. 7: Fluid REE patterns from Lucky Strike after normalization with the average plagioclase REE concentrations from Fig. 6.</note><note type="content">Fig. 8: Ce/YbN ratios (LREE /HREE ratio) for hydrothermal fluids plotted against their end-member chloride concentrations. All ratios were calculated after normalization by chondrite REE values. The arrows symbolize the differences of the [chlorinity - Ce/YbN ratio] relationship between the Lucky Strike and 17–19°S EPR fluids during phase separation, surely linked to Cl-complexation effect on the Ce/YbN ratios.</note><note type="content">Fig. 9: Time series comparison of the average REEN pattern in hydrothermal fluids from Snakepit vents fields. In each case, the pattern is an average result of Snakepit REE given by Mitra et al. (1994) in 1986 and 1990 and by Michard (1989) in 1988.</note><note type="content">Table 1: Collection cruises, hydrothermal areas, site characteristics, and sample labels.</note><note type="content">Table 2: Venting temperature (°C), fluid Mg concentrations and corresponding end-member pH, Cl, F, SO4, and Fe concentrations.legend</note><note type="content">Table 3: REE concentrations (pM) and corresponding end-member concentration (EM) for deep-sea hydrothermal fluids.legend</note><note type="content">Table 4: Complexation equations of REE3+, Eu2+ by chloride, fluoride, and sulfate ions.legend</note><note type="content">Table 5: Formation and dissociation constants used in REE speciation calculation.legend</note><note type="content">Table 6: Results of the La and Lu speciation calculations for hydrothermal fluids at the indicated temperature and Psat.legend</note></notesStmt><sourceDesc><biblStruct type="inbook"><analytic><title level="a" type="main" xml:lang="en">Yttrium and rare earth elements in fluids from various deep-sea hydrothermal systems</title><author xml:id="author-0000"><persName><forename type="first">Eric</forename><surname>Douville</surname></persName><affiliation>Département de Chimie, Université Bretagne Occidentale, 29200 Brest, France</affiliation></author><author xml:id="author-0001"><persName><forename type="first">Philippe</forename><surname>Bienvenu</surname></persName><affiliation>Laboratoire d’Analyses Radiochimiques et Chimiques, CEA Cadarache, 13108 Saint Paul Lez Durance, France</affiliation></author><author xml:id="author-0002"><persName><forename type="first">Jean Luc</forename><surname>Charlou</surname></persName><email>charlou@ifremer.fr</email><note type="biography">Address reprint requests to Jean Luc Charlou, Département Géosciences Marines, IFREMER Centre de Brest, B.P. 70, 29280 Plouzané cedex, France; Tel: 33 (0)2 98 22 42 62; Fax: 33 (0)2 98 22 45 70</note><affiliation>Address reprint requests to Jean Luc Charlou, Département Géosciences Marines, IFREMER Centre de Brest, B.P. 70, 29280 Plouzané cedex, France; Tel: 33 (0)2 98 22 42 62; Fax: 33 (0)2 98 22 45 70</affiliation><affiliation>IFREMER Centre de Brest, DRO/GM, 29280 Plouzané, France</affiliation></author><author xml:id="author-0003"><persName><forename type="first">Jean Pierre</forename><surname>Donval</surname></persName><affiliation>IFREMER Centre de Brest, DRO/GM, 29280 Plouzané, France</affiliation></author><author xml:id="author-0004"><persName><forename type="first">Yves</forename><surname>Fouquet</surname></persName><affiliation>IFREMER Centre de Brest, DRO/GM, 29280 Plouzané, France</affiliation></author><author xml:id="author-0005"><persName><forename type="first">Pierre</forename><surname>Appriou</surname></persName><affiliation>Département de Chimie, Université Bretagne Occidentale, 29200 Brest, France</affiliation></author><author xml:id="author-0006"><persName><forename type="first">Toshitaka</forename><surname>Gamo</surname></persName><affiliation>Ocean Research Institute, University of Tokyo, Nakano, Tokyo 164, Japan</affiliation></author><idno type="istex">E88F475F879D0C033282F7AE538E2B952BB9E8A1</idno><idno type="DOI">10.1016/S0016-7037(99)00024-1</idno><idno type="PII">S0016-7037(99)00024-1</idno></analytic><monogr><title level="j">Geochimica et Cosmochimica Acta</title><title level="j" type="abbrev">GCA</title><idno type="pISSN">0016-7037</idno><idno type="PII">S0016-7037(00)X0081-6</idno><imprint><publisher>ELSEVIER</publisher><date type="published" when="1999"></date><biblScope unit="volume">63</biblScope><biblScope unit="issue">5</biblScope><biblScope unit="page" from="627">627</biblScope><biblScope unit="page" to="643">643</biblScope></imprint></monogr></biblStruct></sourceDesc></fileDesc><profileDesc><creation><date>1999</date></creation><langUsage><language ident="en">en</language></langUsage><abstract xml:lang="en"><p>Rare earth element (REE) and yttrium (Y) concentrations were measured in fluids collected from deep-sea hydrothermal systems including the Mid-Atlantic Ridge (MAR), i.e., Menez Gwen, Lucky Strike, TAG, and Snakepit; the East Pacific Rise (EPR), i.e., 13°N and 17–19°S; and the Lau (Vai Lili) and Manus (Vienna Woods, PacManus, Desmos) Back-Arc Basins (BAB) in the South-West Pacific. In most fluids, Y is trivalent and behaves like Ho. Chondrite normalized Y-REE (Y-REEN) concentrations of fluids from MAR, EPR, and two BAB sites, i.e., Vai Lili and Vienna Woods, showed common patterns with LREE enrichment and positive Eu anomalies. REE analysis of plagioclase collected at Lucky Strike strengthens the idea that fluid REE contents, are controlled by plagioclase phenocrysts. Other processes, however, such as REE complexation by ligands (Cl−, F− SO42−), secondary phase precipitation, and phase separation modify REE distributions in deep-sea hydrothermal fluids. REE speciation calculations suggest that aqueous REE are mainly complexed by Cl− ions in hot acidic fluids from deep-sea hydrothermal systems. REE concentrations in the fluid phases are, therefore, influenced by temperature, pH, and duration of rock-fluid interaction. Unusual Y-REEN patterns found in the PacManus fluids are characterized by depleted LREE and a positive Eu anomaly. The Demos fluid sample shows a flat Y-REEN pattern, which increases regularly from LREE to HREE with no Eu anomaly. These Manus Basin fluids also have an unusual major element chemistry with relatively high Mg, SO4, H2S, and F contents, which may be due to the incorporation of magmatic fluids into heated seawater during hydrothermal circulation. REE distribution in PacManus fluids may stem from a subseafloor barite precipitation and the REE in Demos fluids are likely influenced by the presence of sulfate ions.</p></abstract></profileDesc><revisionDesc><change when="1999-01-08">Modified</change><change when="1999">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/E88F475F879D0C033282F7AE538E2B952BB9E8A1/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier, elements deleted: ce:floats; body; tail"><istex:xmlDeclaration>version="1.0" encoding="utf-8"</istex:xmlDeclaration><istex:docType PUBLIC="-//ES//DTD journal article DTD version 4.5.2//EN//XML" URI="art452.dtd" name="istex:docType"><istex:entity SYSTEM="gr1" NDATA="IMAGE" name="GR1"></istex:entity><istex:entity SYSTEM="gr2" NDATA="IMAGE" name="GR2"></istex:entity><istex:entity SYSTEM="gr3" NDATA="IMAGE" name="GR3"></istex:entity><istex:entity SYSTEM="gr4" NDATA="IMAGE" name="GR4"></istex:entity><istex:entity SYSTEM="gr5" NDATA="IMAGE" name="GR5"></istex:entity><istex:entity SYSTEM="gr6" NDATA="IMAGE" name="GR6"></istex:entity><istex:entity SYSTEM="gr7" NDATA="IMAGE" name="GR7"></istex:entity><istex:entity SYSTEM="gr8" NDATA="IMAGE" name="GR8"></istex:entity><istex:entity SYSTEM="gr9" NDATA="IMAGE" name="GR9"></istex:entity></istex:docType><istex:document><converted-article version="4.5.2" docsubtype="fla" xml:lang="en"><item-info><jid>GCA</jid><aid>1977</aid><ce:pii>S0016-7037(99)00024-1</ce:pii><ce:doi>10.1016/S0016-7037(99)00024-1</ce:doi><ce:copyright type="full-transfer" year="1999">Elsevier Science Ltd</ce:copyright></item-info><head><ce:dochead><ce:textfn>Articles</ce:textfn></ce:dochead><ce:title>Yttrium and rare earth elements in fluids from various deep-sea hydrothermal systems</ce:title><ce:author-group><ce:author><ce:given-name>Eric</ce:given-name><ce:surname>Douville</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>1</ce:sup></ce:cross-ref><ce:cross-ref refid="AFF3"><ce:sup>3</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>Philippe</ce:given-name><ce:surname>Bienvenu</ce:surname><ce:cross-ref refid="AFF2"><ce:sup>2</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>Jean Luc</ce:given-name><ce:surname>Charlou</ce:surname><ce:cross-ref refid="AFF3"><ce:sup>3</ce:sup></ce:cross-ref><ce:cross-ref refid="CORR1">*</ce:cross-ref><ce:e-address>charlou@ifremer.fr</ce:e-address></ce:author><ce:author><ce:given-name>Jean Pierre</ce:given-name><ce:surname>Donval</ce:surname><ce:cross-ref refid="AFF3"><ce:sup>3</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>Yves</ce:given-name><ce:surname>Fouquet</ce:surname><ce:cross-ref refid="AFF3"><ce:sup>3</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>Pierre</ce:given-name><ce:surname>Appriou</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>1</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>Toshitaka</ce:given-name><ce:surname>Gamo</ce:surname><ce:cross-ref refid="AFF4"><ce:sup>4</ce:sup></ce:cross-ref></ce:author><ce:affiliation id="AFF1"><ce:label>1</ce:label><ce:textfn>Département de Chimie, Université Bretagne Occidentale, 29200 Brest, France</ce:textfn></ce:affiliation><ce:affiliation id="AFF2"><ce:label>2</ce:label><ce:textfn>Laboratoire d’Analyses Radiochimiques et Chimiques, CEA Cadarache, 13108 Saint Paul Lez Durance, France</ce:textfn></ce:affiliation><ce:affiliation id="AFF3"><ce:label>3</ce:label><ce:textfn>IFREMER Centre de Brest, DRO/GM, 29280 Plouzané, France</ce:textfn></ce:affiliation><ce:affiliation id="AFF4"><ce:label>4</ce:label><ce:textfn>Ocean Research Institute, University of Tokyo, Nakano, Tokyo 164, Japan</ce:textfn></ce:affiliation><ce:correspondence id="CORR1"><ce:label>*</ce:label><ce:text>Address reprint requests to Jean Luc Charlou, Département Géosciences Marines, IFREMER Centre de Brest, B.P. 70, 29280 Plouzané cedex, France; Tel: 33 (0)2 98 22 42 62; Fax: 33 (0)2 98 22 45 70</ce:text></ce:correspondence></ce:author-group><ce:date-received day="7" month="7" year="1998"></ce:date-received><ce:date-revised day="8" month="1" year="1999"></ce:date-revised><ce:date-accepted day="8" month="1" year="1999"></ce:date-accepted><ce:abstract><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>Rare earth element (REE) and yttrium (Y) concentrations were measured in fluids collected from deep-sea hydrothermal systems including the Mid-Atlantic Ridge (MAR), i.e., Menez Gwen, Lucky Strike, TAG, and Snakepit; the East Pacific Rise (EPR), i.e., 13°N and 17–19°S; and the Lau (Vai Lili) and Manus (Vienna Woods, PacManus, Desmos) Back-Arc Basins (BAB) in the South-West Pacific. In most fluids, Y is trivalent and behaves like Ho. Chondrite normalized Y-REE (Y-REE<ce:inf>N</ce:inf>) concentrations of fluids from MAR, EPR, and two BAB sites, i.e., Vai Lili and Vienna Woods, showed common patterns with LREE enrichment and positive Eu anomalies. REE analysis of plagioclase collected at Lucky Strike strengthens the idea that fluid REE contents, are controlled by plagioclase phenocrysts. Other processes, however, such as REE complexation by ligands (Cl<ce:sup>−</ce:sup>, F<ce:sup>−</ce:sup> SO<ce:inf>4</ce:inf><ce:sup>2−</ce:sup>), secondary phase precipitation, and phase separation modify REE distributions in deep-sea hydrothermal fluids. REE speciation calculations suggest that aqueous REE are mainly complexed by Cl<ce:sup>−</ce:sup> ions in hot acidic fluids from deep-sea hydrothermal systems. REE concentrations in the fluid phases are, therefore, influenced by temperature, pH, and duration of rock-fluid interaction. Unusual Y-REE<ce:inf>N</ce:inf> patterns found in the PacManus fluids are characterized by depleted LREE and a positive Eu anomaly. The Demos fluid sample shows a flat Y-REE<ce:inf>N</ce:inf> pattern, which increases regularly from LREE to HREE with no Eu anomaly. These Manus Basin fluids also have an unusual major element chemistry with relatively high Mg, SO<ce:inf>4</ce:inf>, H<ce:inf>2</ce:inf>S, and F contents, which may be due to the incorporation of magmatic fluids into heated seawater during hydrothermal circulation. REE distribution in PacManus fluids may stem from a subseafloor barite precipitation and the REE in Demos fluids are likely influenced by the presence of sulfate ions.</ce:simple-para></ce:abstract-sec></ce:abstract></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo lang="en"><title>Yttrium and rare earth elements in fluids from various deep-sea hydrothermal systems</title></titleInfo><titleInfo type="alternative" lang="en" contentType="CDATA"><title>Yttrium and rare earth elements in fluids from various deep-sea hydrothermal systems</title></titleInfo><name type="personal"><namePart type="given">Eric</namePart><namePart type="family">Douville</namePart><affiliation>Département de Chimie, Université Bretagne Occidentale, 29200 Brest, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Philippe</namePart><namePart type="family">Bienvenu</namePart><affiliation>Laboratoire d’Analyses Radiochimiques et Chimiques, CEA Cadarache, 13108 Saint Paul Lez Durance, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Jean Luc</namePart><namePart type="family">Charlou</namePart><affiliation>E-mail: charlou@ifremer.fr</affiliation><affiliation>IFREMER Centre de Brest, DRO/GM, 29280 Plouzané, France</affiliation><description>Address reprint requests to Jean Luc Charlou, Département Géosciences Marines, IFREMER Centre de Brest, B.P. 70, 29280 Plouzané cedex, France; Tel: 33 (0)2 98 22 42 62; Fax: 33 (0)2 98 22 45 70</description><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Jean Pierre</namePart><namePart type="family">Donval</namePart><affiliation>IFREMER Centre de Brest, DRO/GM, 29280 Plouzané, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Yves</namePart><namePart type="family">Fouquet</namePart><affiliation>IFREMER Centre de Brest, DRO/GM, 29280 Plouzané, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Pierre</namePart><namePart type="family">Appriou</namePart><affiliation>Département de Chimie, Université Bretagne Occidentale, 29200 Brest, France</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">Toshitaka</namePart><namePart type="family">Gamo</namePart><affiliation>Ocean Research Institute, University of Tokyo, Nakano, Tokyo 164, Japan</affiliation><role><roleTerm type="text">author</roleTerm></role></name><typeOfResource>text</typeOfResource><genre type="research-article" displayLabel="Full-length article" authority="ISTEX" authorityURI="https://content-type.data.istex.fr" valueURI="https://content-type.data.istex.fr/ark:/67375/XTP-1JC4F85T-7">research-article</genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">1999</dateIssued><dateModified encoding="w3cdtf">1999-01-08</dateModified><copyrightDate encoding="w3cdtf">1999</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><abstract lang="en">Abstract: Rare earth element (REE) and yttrium (Y) concentrations were measured in fluids collected from deep-sea hydrothermal systems including the Mid-Atlantic Ridge (MAR), i.e., Menez Gwen, Lucky Strike, TAG, and Snakepit; the East Pacific Rise (EPR), i.e., 13°N and 17–19°S; and the Lau (Vai Lili) and Manus (Vienna Woods, PacManus, Desmos) Back-Arc Basins (BAB) in the South-West Pacific. In most fluids, Y is trivalent and behaves like Ho. Chondrite normalized Y-REE (Y-REEN) concentrations of fluids from MAR, EPR, and two BAB sites, i.e., Vai Lili and Vienna Woods, showed common patterns with LREE enrichment and positive Eu anomalies. REE analysis of plagioclase collected at Lucky Strike strengthens the idea that fluid REE contents, are controlled by plagioclase phenocrysts. Other processes, however, such as REE complexation by ligands (Cl−, F− SO42−), secondary phase precipitation, and phase separation modify REE distributions in deep-sea hydrothermal fluids. REE speciation calculations suggest that aqueous REE are mainly complexed by Cl− ions in hot acidic fluids from deep-sea hydrothermal systems. REE concentrations in the fluid phases are, therefore, influenced by temperature, pH, and duration of rock-fluid interaction. Unusual Y-REEN patterns found in the PacManus fluids are characterized by depleted LREE and a positive Eu anomaly. The Demos fluid sample shows a flat Y-REEN pattern, which increases regularly from LREE to HREE with no Eu anomaly. These Manus Basin fluids also have an unusual major element chemistry with relatively high Mg, SO4, H2S, and F contents, which may be due to the incorporation of magmatic fluids into heated seawater during hydrothermal circulation. REE distribution in PacManus fluids may stem from a subseafloor barite precipitation and the REE in Demos fluids are likely influenced by the presence of sulfate ions.</abstract><note type="content">Section title: Articles</note><note type="content">Fig. 1: Location of submarine hydrothermal sites: Menez Gwen (37°50’N), Lucky Strike (37°17’N), TAG (26°N), and Snakepit (23°N) along Mid-Atlantic Ridge; 13°N and 17–19°S areas along East Pacific Rise; Lau and Manus Basins in Back-Arc systems of South-West Pacific.</note><note type="content">Fig. 2: Comparison of REEN data from this and previous studies. Fluid sample, “HS88 10/1,” from Snakepit was reported by Michard (1989). Fluid samples from Eiffel Tower and Mrk-7 vent fields collected during the Lucky Strike-Alvin cruise (1993) were analyzed by Klinkhammer et al. (1995). YN results measured for samples HS88 10/1, 2608 Ti8, and 2607 Ti10 are also presented.</note><note type="content">Fig. 3: Y-REE abundance patterns normalized to chondrite for end-member hydrothermal fluids from Mid-Atlantic Ridge: (a) TAG (2583Ti4BS, 2598Ti8BS); (b) Snakepit (MS15D2, MS17D2); (c) Lucky Strike (Div1.1D3, Div1.3G1, Div1.9D1, Div1.9D3); (d) Lucky Strike (Div1.17G1, Div1.17G3, Div1.19D3) and Menez Gwen (Div1.14D1). Seawater data are from Mitra et al. (1994) and German et al. (1990).</note><note type="content">Fig. 4: Y-REE abundance patterns normalized to chondrite for end-member hydrothermal fluids from the East Pacific Rise and the Lau and Manus Back-Arc Basins: (a) 13°N, EPR (HR22B4, CY8219G2) and 17–19°S, EPR (ND17G2, ND08G2, ND03G2); (b) Vai-Lili in the Lau Basin (PL20D1, PL22D2) and Vienna Woods in the Manus Basin (307-3, 308-3); (c) PacManus in the Manus Basin (301-3, 301-7); (d) Desmos in the Manus Basin (302-3). Seawater data are from Mitra et al. (1994) and German et al. (1990).</note><note type="content">Fig. 5: Chondrite-normalized plagioclase and fluid REE concentrations plotted against the REE ionic radius in eightfold coordination (Shannon, 1976): (a) Snakepit fluids and Lucky Strike fluids and plagioclase samples; (b) Lucky Strike and Menez Gwen fluids; (c) Vai Lili (Lau Basin), Vienna Woods (Manus Basin), and Lucky Strike fluids; (d) 13°N EPR, 17-19°S EPR, TAG, PacManus (Manus Basin) and Desmos (Manus Basin) fluids.</note><note type="content">Fig. 6: Chondrite normalized REE patterns of plagioclase phenocrysts from porphyritic MORB collected near the Lucky Strike vent fields. REE concentrations measured in plagioclase samples (samples n°1 and n°2) and average values used in the normalization of Lucky Strike REE fluids shown in Fig. 7.</note><note type="content">Fig. 7: Fluid REE patterns from Lucky Strike after normalization with the average plagioclase REE concentrations from Fig. 6.</note><note type="content">Fig. 8: Ce/YbN ratios (LREE /HREE ratio) for hydrothermal fluids plotted against their end-member chloride concentrations. All ratios were calculated after normalization by chondrite REE values. The arrows symbolize the differences of the [chlorinity - Ce/YbN ratio] relationship between the Lucky Strike and 17–19°S EPR fluids during phase separation, surely linked to Cl-complexation effect on the Ce/YbN ratios.</note><note type="content">Fig. 9: Time series comparison of the average REEN pattern in hydrothermal fluids from Snakepit vents fields. In each case, the pattern is an average result of Snakepit REE given by Mitra et al. (1994) in 1986 and 1990 and by Michard (1989) in 1988.</note><note type="content">Table 1: Collection cruises, hydrothermal areas, site characteristics, and sample labels.</note><note type="content">Table 2: Venting temperature (°C), fluid Mg concentrations and corresponding end-member pH, Cl, F, SO4, and Fe concentrations.legend</note><note type="content">Table 3: REE concentrations (pM) and corresponding end-member concentration (EM) for deep-sea hydrothermal fluids.legend</note><note type="content">Table 4: Complexation equations of REE3+, Eu2+ by chloride, fluoride, and sulfate ions.legend</note><note type="content">Table 5: Formation and dissociation constants used in REE speciation calculation.legend</note><note type="content">Table 6: Results of the La and Lu speciation calculations for hydrothermal fluids at the indicated temperature and Psat.legend</note><relatedItem type="host"><titleInfo><title>Geochimica et Cosmochimica Acta</title></titleInfo><titleInfo type="abbreviated"><title>GCA</title></titleInfo><genre type="journal" authority="ISTEX" authorityURI="https://publication-type.data.istex.fr" valueURI="https://publication-type.data.istex.fr/ark:/67375/JMC-0GLKJH51-B">journal</genre><originInfo><publisher>ELSEVIER</publisher><dateIssued encoding="w3cdtf">199903</dateIssued></originInfo><identifier type="ISSN">0016-7037</identifier><identifier type="PII">S0016-7037(00)X0081-6</identifier><part><date>199903</date><detail type="volume"><number>63</number><caption>vol.</caption></detail><detail type="issue"><number>5</number><caption>no.</caption></detail><extent unit="issue-pages"><start>587</start><end>766</end></extent><extent unit="pages"><start>627</start><end>643</end></extent></part></relatedItem><identifier type="istex">E88F475F879D0C033282F7AE538E2B952BB9E8A1</identifier><identifier type="ark">ark:/67375/6H6-P76NZX20-H</identifier><identifier type="DOI">10.1016/S0016-7037(99)00024-1</identifier><identifier type="PII">S0016-7037(99)00024-1</identifier><accessCondition type="use and reproduction" contentType="copyright">©1999 Elsevier Science Ltd</accessCondition><recordInfo><recordContentSource authority="ISTEX" authorityURI="https://loaded-corpus.data.istex.fr" valueURI="https://loaded-corpus.data.istex.fr/ark:/67375/XBH-HKKZVM7B-M">elsevier</recordContentSource><recordOrigin>Elsevier Science Ltd, ©1999</recordOrigin></recordInfo></mods><json:item><extension>json</extension><original>false</original><mimetype>application/json</mimetype><uri>https://api.istex.fr/document/E88F475F879D0C033282F7AE538E2B952BB9E8A1/metadata/json</uri></json:item></metadata><serie></serie></istex></record>Pour manipuler ce document sous Unix (Dilib)
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