Hydrothermal metallogenic processes off the islands of Nisiros and Kos in the Hellenic Volcanic Arc
Identifieur interne : 000003 ( Istex/Corpus ); précédent : 000002; suivant : 000004Hydrothermal metallogenic processes off the islands of Nisiros and Kos in the Hellenic Volcanic Arc
Auteurs : S. P Varnavas ; D. S CronanSource :
- Marine Geology [ 0025-3227 ] ; 1991.
English descriptors
- KwdEn :
- Acetic, Acetic acid, Acta, Aegean region, Aegean shelf sediments, Aegean world, Areal, Areal distribution, Areal variations, Average value, Bostr6m, Carbonate, Chemical composition, Concentration levels, Cosmochim, Cronan, Datum, Earth planet, Eastern mediterranean, Eastern part, Edmond, Embayment, Enrichment, Exhalative, Fine fraction, Fine fractions, Galapagos, Geochemical, Geochemical behaviour, Geochemistry, Geochim, Geol, Greater amounts, Guaymas basin, Heavy metals, Higher ratios, Highest concentrations, Hydrothermal, Hydrothermal alteration, Hydrothermal fields, Hydrothermal metalliferous sediments, Hydrothermal metallogenetic processess, Hydrothermal solutions, Hydrothermal vents, Hydrothermal waters, Hydroxylamine, Hydroxylamine fraction, Hydroxylamine fractions, Inner part, Kameni, Kephalos, Manganese, Metal sulphides, Metalliferous, Metalliferous sediments, Metallogenetic, Moorby, Negative correlation, Nisiros, Normal seawater, Outer part, Outer zone, Partition geochemistry, Peckett, Precipitation, Processess, Same point, Santorini, Santorini embayments, Santorini hydrothermal field, Santorini volcano, Seafloor, Seawater, Sediment, Sediment samples, Southern aegean, Submarine hydrothermal solutions, Sulphide, Thera, Trace elements, Varnavas, Vent area, Vent areas, Volcanic rocks, Water samples, Yali, Yali sediments.
- Teeft :
- Acetic, Acetic acid, Acta, Aegean region, Aegean shelf sediments, Aegean world, Areal, Areal distribution, Areal variations, Average value, Bostr6m, Carbonate, Chemical composition, Concentration levels, Cosmochim, Cronan, Datum, Earth planet, Eastern mediterranean, Eastern part, Edmond, Embayment, Enrichment, Exhalative, Fine fraction, Fine fractions, Galapagos, Geochemical, Geochemical behaviour, Geochemistry, Geochim, Geol, Greater amounts, Guaymas basin, Heavy metals, Higher ratios, Highest concentrations, Hydrothermal, Hydrothermal alteration, Hydrothermal fields, Hydrothermal metalliferous sediments, Hydrothermal metallogenetic processess, Hydrothermal solutions, Hydrothermal vents, Hydrothermal waters, Hydroxylamine, Hydroxylamine fraction, Hydroxylamine fractions, Inner part, Kameni, Kephalos, Manganese, Metal sulphides, Metalliferous, Metalliferous sediments, Metallogenetic, Moorby, Negative correlation, Nisiros, Normal seawater, Outer part, Outer zone, Partition geochemistry, Peckett, Precipitation, Processess, Same point, Santorini, Santorini embayments, Santorini hydrothermal field, Santorini volcano, Seafloor, Seawater, Sediment, Sediment samples, Southern aegean, Submarine hydrothermal solutions, Sulphide, Thera, Trace elements, Varnavas, Vent area, Vent areas, Volcanic rocks, Water samples, Yali, Yali sediments.
Abstract
Abstract: Two submarine hydrothermal fields off Nisiros and Kos islands in the eastern sector of the Hellenic Volcanic Arc have been investigated using analyses of submarine hydrothermal waters and sediments. Both the waters and the sediments were found to be enriched in Fe, Mn and Zn, together with As, Mo and V in the sediments only, resulting from seawater-rock interaction processes similar to those described from mid-ocean ridge systems. Differences found between the products of these processes in the two hydrothermal fields studied reflect differences between the rock types being leached, the physiographic and geological conditions present including the thickness and composition of the sediment column above the volcanic rocks, and the rates of mixing of hydrothermal solutions with normal seawater.The geochemical features described support possible sub-seafloor formation of metal sulphides at both of the hydrothermal fields studied.
Url:
DOI: 10.1016/0025-3227(91)90086-J
Links to Exploration step
ISTEX:9512BE2BC2A020D2C7E67725499B591BB034EE5ALe document en format XML
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Both the waters and the sediments were found to be enriched in Fe, Mn and Zn, together with As, Mo and V in the sediments only, resulting from seawater-rock interaction processes similar to those described from mid-ocean ridge systems. Differences found between the products of these processes in the two hydrothermal fields studied reflect differences between the rock types being leached, the physiographic and geological conditions present including the thickness and composition of the sediment column above the volcanic rocks, and the rates of mixing of hydrothermal solutions with normal seawater.The geochemical features described support possible sub-seafloor formation of metal sulphides at both of the hydrothermal fields studied.</abstract><qualityIndicators><score>6.644</score><pdfVersion>1.2</pdfVersion><pdfPageSize>584 x 764 pts</pdfPageSize><refBibsNative>true</refBibsNative><keywordCount>0</keywordCount><abstractCharCount>939</abstractCharCount><pdfWordCount>9786</pdfWordCount><pdfCharCount>58140</pdfCharCount><pdfPageCount>25</pdfPageCount><abstractWordCount>137</abstractWordCount></qualityIndicators><title>Hydrothermal metallogenic processes off the islands of Nisiros and Kos in the Hellenic Volcanic Arc</title><pii><json:string>0025-3227(91)90086-J</json:string></pii><genre><json:string>research-article</json:string></genre><serie><title>CCOP/SOPAC Tech. 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Both the waters and the sediments were found to be enriched in Fe, Mn and Zn, together with As, Mo and V in the sediments only, resulting from seawater-rock interaction processes similar to those described from mid-ocean ridge systems. Differences found between the products of these processes in the two hydrothermal fields studied reflect differences between the rock types being leached, the physiographic and geological conditions present including the thickness and composition of the sediment column above the volcanic rocks, and the rates of mixing of hydrothermal solutions with normal seawater.The geochemical features described support possible sub-seafloor formation of metal sulphides at both of the hydrothermal fields studied.</p></abstract></profileDesc><revisionDesc><change when="1991">Published</change></revisionDesc></teiHeader></istex:fulltextTEI><json:item><extension>txt</extension><original>false</original><mimetype>text/plain</mimetype><uri>https://api.istex.fr/document/9512BE2BC2A020D2C7E67725499B591BB034EE5A/fulltext/txt</uri></json:item></fulltext><metadata><istex:metadataXml wicri:clean="Elsevier, elements deleted: 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:docType><istex:document><converted-article version="4.5.2" docsubtype="fla"><item-info><jid>MARGO</jid><aid>9190086J</aid><ce:pii>0025-3227(91)90086-J</ce:pii><ce:doi>10.1016/0025-3227(91)90086-J</ce:doi><ce:copyright type="unknown" year="1991"></ce:copyright></item-info><head><ce:dochead><ce:textfn>Research paper</ce:textfn></ce:dochead><ce:title>Hydrothermal metallogenic processes off the islands of Nisiros and Kos in the Hellenic Volcanic Arc</ce:title><ce:author-group><ce:author><ce:given-name>S.P</ce:given-name><ce:surname>Varnavas</ce:surname><ce:cross-ref refid="AFF1"><ce:sup>a</ce:sup></ce:cross-ref></ce:author><ce:author><ce:given-name>D.S</ce:given-name><ce:surname>Cronan</ce:surname><ce:cross-ref refid="AFF2"><ce:sup>b</ce:sup></ce:cross-ref></ce:author><ce:affiliation id="AFF1"><ce:label>a</ce:label><ce:textfn>Department of Geology, University of Patras, Patras, Greece</ce:textfn></ce:affiliation><ce:affiliation id="AFF2"><ce:label>b</ce:label><ce:textfn>Department of Geology, Imperial College, London SW7 2BP, UK</ce:textfn></ce:affiliation></ce:author-group><ce:date-accepted day="17" month="1" year="1991"></ce:date-accepted><ce:abstract><ce:section-title>Abstract</ce:section-title><ce:abstract-sec><ce:simple-para>Two submarine hydrothermal fields off Nisiros and Kos islands in the eastern sector of the Hellenic Volcanic Arc have been investigated using analyses of submarine hydrothermal waters and sediments. Both the waters and the sediments were found to be enriched in Fe, Mn and Zn, together with As, Mo and V in the sediments only, resulting from seawater-rock interaction processes similar to those described from mid-ocean ridge systems. Differences found between the products of these processes in the two hydrothermal fields studied reflect differences between the rock types being leached, the physiographic and geological conditions present including the thickness and composition of the sediment column above the volcanic rocks, and the rates of mixing of hydrothermal solutions with normal seawater.</ce:simple-para><ce:simple-para>The geochemical features described support possible sub-seafloor formation of metal sulphides at both of the hydrothermal fields studied.</ce:simple-para></ce:abstract-sec></ce:abstract></head></converted-article></istex:document></istex:metadataXml><mods version="3.6"><titleInfo><title>Hydrothermal metallogenic processes off the islands of Nisiros and Kos in the Hellenic Volcanic Arc</title></titleInfo><titleInfo type="alternative" contentType="CDATA"><title>Hydrothermal metallogenic processes off the islands of Nisiros and Kos in the Hellenic Volcanic Arc</title></titleInfo><name type="personal"><namePart type="given">S.P</namePart><namePart type="family">Varnavas</namePart><affiliation>Department of Geology, University of Patras, Patras, Greece</affiliation><role><roleTerm type="text">author</roleTerm></role></name><name type="personal"><namePart type="given">D.S</namePart><namePart type="family">Cronan</namePart><affiliation>Department of Geology, Imperial College, London SW7 2BP, UK</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">1991</dateIssued><copyrightDate encoding="w3cdtf">1991</copyrightDate></originInfo><language><languageTerm type="code" authority="iso639-2b">eng</languageTerm><languageTerm type="code" authority="rfc3066">en</languageTerm></language><abstract lang="en">Abstract: Two submarine hydrothermal fields off Nisiros and Kos islands in the eastern sector of the Hellenic Volcanic Arc have been investigated using analyses of submarine hydrothermal waters and sediments. Both the waters and the sediments were found to be enriched in Fe, Mn and Zn, together with As, Mo and V in the sediments only, resulting from seawater-rock interaction processes similar to those described from mid-ocean ridge systems. Differences found between the products of these processes in the two hydrothermal fields studied reflect differences between the rock types being leached, the physiographic and geological conditions present including the thickness and composition of the sediment column above the volcanic rocks, and the rates of mixing of hydrothermal solutions with normal seawater.The geochemical features described support possible sub-seafloor formation of metal sulphides at both of the hydrothermal fields studied.</abstract><note type="content">Section title: Research paper</note><relatedItem type="host"><titleInfo><title>Marine Geology</title></titleInfo><titleInfo type="abbreviated"><title>MARGO</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">199107</dateIssued></originInfo><identifier type="ISSN">0025-3227</identifier><identifier type="PII">S0025-3227(00)X0237-X</identifier><part><date>199107</date><detail type="volume"><number>99</number><caption>vol.</caption></detail><detail type="issue"><number>1–2</number><caption>no.</caption></detail><extent unit="issue-pages"><start>1</start><end>274</end></extent><extent unit="pages"><start>109</start><end>133</end></extent></part></relatedItem><identifier type="istex">9512BE2BC2A020D2C7E67725499B591BB034EE5A</identifier><identifier type="ark">ark:/67375/6H6-D7C5Z49B-8</identifier><identifier type="DOI">10.1016/0025-3227(91)90086-J</identifier><identifier type="PII">0025-3227(91)90086-J</identifier><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></recordInfo></mods><json:item><extension>json</extension><original>false</original><mimetype>application/json</mimetype><uri>https://api.istex.fr/document/9512BE2BC2A020D2C7E67725499B591BB034EE5A/metadata/json</uri></json:item></metadata></istex></record>Pour manipuler ce document sous Unix (Dilib)
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