New insights into hydrothermal vent processes in the unique shallow-submarine arc-volcano, Kolumbo (Santorini), Greece
Identifieur interne : 000019 ( Main/Exploration ); précédent : 000018; suivant : 000020New insights into hydrothermal vent processes in the unique shallow-submarine arc-volcano, Kolumbo (Santorini), Greece
Auteurs : Stephanos P. Kilias [Grèce] ; Paraskevi Nomikou [Grèce] ; Dimitrios Papanikolaou [Grèce] ; Paraskevi N. Polymenakou [Grèce] ; Athanasios Godelitsas [Grèce] ; Ariadne Argyraki [Grèce] ; Steven Carey [États-Unis] ; Platon Gamaletsos [Grèce, Allemagne] ; Theo J. Mertzimekis [Grèce] ; Eleni Stathopoulou [Grèce] ; Joerg Goettlicher [Allemagne] ; Ralph Steininger [Allemagne] ; Konstantina Betzelou [Grèce] ; Isidoros Livanos [Grèce] ; Christos Christakis [Grèce] ; Katherine Croff Bell [États-Unis] ; Michael Scoullos [Grèce]Source :
- Scientific Reports [ 2045-2322 ] ; 2013.
Abstract
We report on integrated geomorphological, mineralogical, geochemical and biological investigations of the hydrothermal vent field located on the floor of the density-stratified acidic (pH ~ 5) crater of the Kolumbo shallow-submarine arc-volcano, near Santorini. Kolumbo features rare geodynamic setting at convergent boundaries, where arc-volcanism and seafloor hydrothermal activity are occurring in thinned continental crust. Special focus is given to unique enrichments of polymetallic spires in Sb and Tl (±Hg, As, Au, Ag, Zn) indicating a new hybrid seafloor analogue of epithermal-to-volcanic-hosted-massive-sulphide deposits. Iron microbial-mat analyses reveal dominating ferrihydrite-type phases, and high-proportion of microbial sequences akin to
Url:
DOI: 10.1038/srep02421
PubMed: 23939372
PubMed Central: 3741630
Affiliations:
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Kilias</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>National and Kapodistrian University of Athens, Faculty of Geology and Geoenvironment</institution>, Panepistimiopoli Zografou, 15784 Athens, Greece</nlm:aff><country xml:lang="fr">Grèce</country><wicri:regionArea>, Panepistimiopoli Zografou, 15784 Athens</wicri:regionArea><placeName><settlement type="city">Athènes</settlement><region nuts="2" type="region">Attique (région)</region></placeName></affiliation></author><author><name sortKey="Nomikou, Paraskevi" sort="Nomikou, Paraskevi" uniqKey="Nomikou P" first="Paraskevi" last="Nomikou">Paraskevi Nomikou</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>National and Kapodistrian University of Athens, Faculty of Geology and Geoenvironment</institution>, Panepistimiopoli Zografou, 15784 Athens, Greece</nlm:aff><country xml:lang="fr">Grèce</country><wicri:regionArea>, Panepistimiopoli Zografou, 15784 Athens</wicri:regionArea><placeName><settlement type="city">Athènes</settlement><region nuts="2" type="region">Attique (région)</region></placeName></affiliation></author><author><name sortKey="Papanikolaou, Dimitrios" sort="Papanikolaou, Dimitrios" uniqKey="Papanikolaou D" first="Dimitrios" last="Papanikolaou">Dimitrios Papanikolaou</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>National and Kapodistrian University of Athens, Faculty of Geology and Geoenvironment</institution>, Panepistimiopoli Zografou, 15784 Athens, Greece</nlm:aff><country xml:lang="fr">Grèce</country><wicri:regionArea>, Panepistimiopoli Zografou, 15784 Athens</wicri:regionArea><placeName><settlement type="city">Athènes</settlement><region nuts="2" type="region">Attique (région)</region></placeName></affiliation></author><author><name sortKey="Polymenakou, Paraskevi N" sort="Polymenakou, Paraskevi N" uniqKey="Polymenakou P" first="Paraskevi N." last="Polymenakou">Paraskevi N. Polymenakou</name><affiliation wicri:level="1"><nlm:aff id="a2"><institution>Hellenic Centre for Marine Research, Institute of Marine Biology</institution>, Biotechnology and Aquaculture, Gournes Pediados, P.O.Box 2214, Gr 71003, Heraklion Crete,<country>Greece</country></nlm:aff><country xml:lang="fr">Grèce</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Godelitsas, Athanasios" sort="Godelitsas, Athanasios" uniqKey="Godelitsas A" first="Athanasios" last="Godelitsas">Athanasios Godelitsas</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>National and Kapodistrian University of Athens, Faculty of Geology and Geoenvironment</institution>, Panepistimiopoli Zografou, 15784 Athens, Greece</nlm:aff><country xml:lang="fr">Grèce</country><wicri:regionArea>, Panepistimiopoli Zografou, 15784 Athens</wicri:regionArea><placeName><settlement type="city">Athènes</settlement><region nuts="2" type="region">Attique (région)</region></placeName></affiliation></author><author><name sortKey="Argyraki, Ariadne" sort="Argyraki, Ariadne" uniqKey="Argyraki A" first="Ariadne" last="Argyraki">Ariadne Argyraki</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>National and Kapodistrian University of Athens, Faculty of Geology and Geoenvironment</institution>, Panepistimiopoli Zografou, 15784 Athens, Greece</nlm:aff><country xml:lang="fr">Grèce</country><wicri:regionArea>, Panepistimiopoli Zografou, 15784 Athens</wicri:regionArea><placeName><settlement type="city">Athènes</settlement><region nuts="2" type="region">Attique (région)</region></placeName></affiliation></author><author><name sortKey="Carey, Steven" sort="Carey, Steven" uniqKey="Carey S" first="Steven" last="Carey">Steven Carey</name><affiliation wicri:level="1"><nlm:aff id="a3"><institution>Graduate School of Oceanography, University of Rhode Island</institution>, 215 S. Ferry Road, Narragansett, Rhode Island 02882,<country>USA</country></nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Gamaletsos, Platon" sort="Gamaletsos, Platon" uniqKey="Gamaletsos P" first="Platon" last="Gamaletsos">Platon Gamaletsos</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>National and Kapodistrian University of Athens, Faculty of Geology and Geoenvironment</institution>, Panepistimiopoli Zografou, 15784 Athens, Greece</nlm:aff><country xml:lang="fr">Grèce</country><wicri:regionArea>, Panepistimiopoli Zografou, 15784 Athens</wicri:regionArea><placeName><settlement type="city">Athènes</settlement><region nuts="2" type="region">Attique (région)</region></placeName></affiliation><affiliation wicri:level="1"><nlm:aff id="a6"><institution>Karlsruhe Institute of Technology, ANKA Synchrotron Radiation Facility</institution>, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen,<country>Germany</country></nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Mertzimekis, Theo J" sort="Mertzimekis, Theo J" uniqKey="Mertzimekis T" first="Theo J." last="Mertzimekis">Theo J. Mertzimekis</name><affiliation wicri:level="1"><nlm:aff id="a4"><institution>National and Kapodistrian University of Athens, Faculty of Physics</institution>, Panepistimiopoli Zografou, 15784 Athens, Greece</nlm:aff><country xml:lang="fr">Grèce</country><wicri:regionArea>, Panepistimiopoli Zografou, 15784 Athens</wicri:regionArea><placeName><settlement type="city">Athènes</settlement><region nuts="2" type="region">Attique (région)</region></placeName></affiliation></author><author><name sortKey="Stathopoulou, Eleni" sort="Stathopoulou, Eleni" uniqKey="Stathopoulou E" first="Eleni" last="Stathopoulou">Eleni Stathopoulou</name><affiliation wicri:level="1"><nlm:aff id="a5"><institution>National and Kapodistrian University of Athens, Faculty of Chemistry</institution>, Panepistimiopoli Zografou, 15784 Athens, Greece</nlm:aff><country xml:lang="fr">Grèce</country><wicri:regionArea>, Panepistimiopoli Zografou, 15784 Athens</wicri:regionArea><placeName><settlement type="city">Athènes</settlement><region nuts="2" type="region">Attique (région)</region></placeName></affiliation></author><author><name sortKey="Goettlicher, Joerg" sort="Goettlicher, Joerg" uniqKey="Goettlicher J" first="Joerg" last="Goettlicher">Joerg Goettlicher</name><affiliation wicri:level="1"><nlm:aff id="a6"><institution>Karlsruhe Institute of Technology, ANKA Synchrotron Radiation Facility</institution>, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen,<country>Germany</country></nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Steininger, Ralph" sort="Steininger, Ralph" uniqKey="Steininger R" first="Ralph" last="Steininger">Ralph Steininger</name><affiliation wicri:level="1"><nlm:aff id="a6"><institution>Karlsruhe Institute of Technology, ANKA Synchrotron Radiation Facility</institution>, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen,<country>Germany</country></nlm:aff><country xml:lang="fr">Allemagne</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Betzelou, Konstantina" sort="Betzelou, Konstantina" uniqKey="Betzelou K" first="Konstantina" last="Betzelou">Konstantina Betzelou</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>National and Kapodistrian University of Athens, Faculty of Geology and Geoenvironment</institution>, Panepistimiopoli Zografou, 15784 Athens, Greece</nlm:aff><country xml:lang="fr">Grèce</country><wicri:regionArea>, Panepistimiopoli Zografou, 15784 Athens</wicri:regionArea><placeName><settlement type="city">Athènes</settlement><region nuts="2" type="region">Attique (région)</region></placeName></affiliation></author><author><name sortKey="Livanos, Isidoros" sort="Livanos, Isidoros" uniqKey="Livanos I" first="Isidoros" last="Livanos">Isidoros Livanos</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>National and Kapodistrian University of Athens, Faculty of Geology and Geoenvironment</institution>, Panepistimiopoli Zografou, 15784 Athens, Greece</nlm:aff><country xml:lang="fr">Grèce</country><wicri:regionArea>, Panepistimiopoli Zografou, 15784 Athens</wicri:regionArea><placeName><settlement type="city">Athènes</settlement><region nuts="2" type="region">Attique (région)</region></placeName></affiliation></author><author><name sortKey="Christakis, Christos" sort="Christakis, Christos" uniqKey="Christakis C" first="Christos" last="Christakis">Christos Christakis</name><affiliation wicri:level="1"><nlm:aff id="a1"><institution>National and Kapodistrian University of Athens, Faculty of Geology and Geoenvironment</institution>, Panepistimiopoli Zografou, 15784 Athens, Greece</nlm:aff><country xml:lang="fr">Grèce</country><wicri:regionArea>, Panepistimiopoli Zografou, 15784 Athens</wicri:regionArea><placeName><settlement type="city">Athènes</settlement><region nuts="2" type="region">Attique (région)</region></placeName></affiliation><affiliation wicri:level="1"><nlm:aff id="a2"><institution>Hellenic Centre for Marine Research, Institute of Marine Biology</institution>, Biotechnology and Aquaculture, Gournes Pediados, P.O.Box 2214, Gr 71003, Heraklion Crete,<country>Greece</country></nlm:aff><country xml:lang="fr">Grèce</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Bell, Katherine Croff" sort="Bell, Katherine Croff" uniqKey="Bell K" first="Katherine Croff" last="Bell">Katherine Croff Bell</name><affiliation wicri:level="1"><nlm:aff id="a3"><institution>Graduate School of Oceanography, University of Rhode Island</institution>, 215 S. Ferry Road, Narragansett, Rhode Island 02882,<country>USA</country></nlm:aff><country xml:lang="fr">États-Unis</country><wicri:regionArea># see nlm:aff country strict</wicri:regionArea></affiliation></author><author><name sortKey="Scoullos, Michael" sort="Scoullos, Michael" uniqKey="Scoullos M" first="Michael" last="Scoullos">Michael Scoullos</name><affiliation wicri:level="1"><nlm:aff id="a5"><institution>National and Kapodistrian University of Athens, Faculty of Chemistry</institution>, Panepistimiopoli Zografou, 15784 Athens, Greece</nlm:aff><country xml:lang="fr">Grèce</country><wicri:regionArea>, Panepistimiopoli Zografou, 15784 Athens</wicri:regionArea><placeName><settlement type="city">Athènes</settlement><region nuts="2" type="region">Attique (région)</region></placeName></affiliation></author></analytic><series><title level="j">Scientific Reports</title><idno type="eISSN">2045-2322</idno><imprint><date when="2013">2013</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p>We report on integrated geomorphological, mineralogical, geochemical and biological investigations of the hydrothermal vent field located on the floor of the density-stratified acidic (pH ~ 5) crater of the Kolumbo shallow-submarine arc-volcano, near Santorini. Kolumbo features rare geodynamic setting at convergent boundaries, where arc-volcanism and seafloor hydrothermal activity are occurring in thinned continental crust. Special focus is given to unique enrichments of polymetallic spires in Sb and Tl (±Hg, As, Au, Ag, Zn) indicating a new hybrid seafloor analogue of epithermal-to-volcanic-hosted-massive-sulphide deposits. Iron microbial-mat analyses reveal dominating ferrihydrite-type phases, and high-proportion of microbial sequences akin to <italic>"Nitrosopumilus maritimus"</italic>, a mesophilic Thaumarchaeota strain capable of chemoautotrophic growth on hydrothermal ammonia and CO<sub>2</sub>. Our findings highlight that acidic shallow-submarine hydrothermal vents nourish marine ecosystems in which nitrifying Archaea are important and suggest ferrihydrite-type Fe<sup>3+</sup>-(hydrated)-oxyhydroxides in associated low-temperature iron mats are formed by anaerobic Fe<sup>2+</sup>-oxidation, dependent on microbially produced nitrate.</p></div></front><back><div1 type="bibliography"><listBibl><biblStruct><analytic><author><name sortKey="Papanikolaou, D" uniqKey="Papanikolaou D">D. Papanikolaou</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Royden, L H" uniqKey="Royden L">L. H. Royden</name></author><author><name sortKey="Papanikolaou, D J" uniqKey="Papanikolaou D">D. J. Papanikolaou</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Le Pichon, X" uniqKey="Le Pichon X">X. Le Pichon</name></author><author><name sortKey="Angelier, J" uniqKey="Angelier J">J. 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Stolz</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Ravel, B" uniqKey="Ravel B">B. Ravel</name></author><author><name sortKey="Newville, M" uniqKey="Newville M">M. Newville</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Stricland, J D H" uniqKey="Stricland J">J. D. H. Stricland</name></author><author><name sortKey="Parsons, T R" uniqKey="Parsons T">T. R. Parsons</name></author></analytic></biblStruct><biblStruct><analytic><author><name sortKey="Scoullos, M" uniqKey="Scoullos M">M. Scoullos</name></author><author><name sortKey="Dassenakis, M" uniqKey="Dassenakis M">M. Dassenakis</name></author></analytic></biblStruct></listBibl></div1></back></TEI><affiliations><list><country><li>Allemagne</li><li>Grèce</li><li>États-Unis</li></country><region><li>Attique (région)</li></region><settlement><li>Athènes</li></settlement></list><tree><country name="Grèce"><region name="Attique (région)"><name sortKey="Kilias, Stephanos P" sort="Kilias, Stephanos P" uniqKey="Kilias S" first="Stephanos P." last="Kilias">Stephanos P. Kilias</name></region><name sortKey="Argyraki, Ariadne" sort="Argyraki, Ariadne" uniqKey="Argyraki A" first="Ariadne" last="Argyraki">Ariadne Argyraki</name><name sortKey="Betzelou, Konstantina" sort="Betzelou, Konstantina" uniqKey="Betzelou K" first="Konstantina" last="Betzelou">Konstantina Betzelou</name><name sortKey="Christakis, Christos" sort="Christakis, Christos" uniqKey="Christakis C" first="Christos" last="Christakis">Christos Christakis</name><name sortKey="Christakis, Christos" sort="Christakis, Christos" uniqKey="Christakis C" first="Christos" last="Christakis">Christos Christakis</name><name sortKey="Gamaletsos, Platon" sort="Gamaletsos, Platon" uniqKey="Gamaletsos P" first="Platon" last="Gamaletsos">Platon Gamaletsos</name><name sortKey="Godelitsas, Athanasios" sort="Godelitsas, Athanasios" uniqKey="Godelitsas A" first="Athanasios" last="Godelitsas">Athanasios Godelitsas</name><name sortKey="Livanos, Isidoros" sort="Livanos, Isidoros" uniqKey="Livanos I" first="Isidoros" last="Livanos">Isidoros Livanos</name><name sortKey="Mertzimekis, Theo J" sort="Mertzimekis, Theo J" uniqKey="Mertzimekis T" first="Theo J." last="Mertzimekis">Theo J. Mertzimekis</name><name sortKey="Nomikou, Paraskevi" sort="Nomikou, Paraskevi" uniqKey="Nomikou P" first="Paraskevi" last="Nomikou">Paraskevi Nomikou</name><name sortKey="Papanikolaou, Dimitrios" sort="Papanikolaou, Dimitrios" uniqKey="Papanikolaou D" first="Dimitrios" last="Papanikolaou">Dimitrios Papanikolaou</name><name sortKey="Polymenakou, Paraskevi N" sort="Polymenakou, Paraskevi N" uniqKey="Polymenakou P" first="Paraskevi N." last="Polymenakou">Paraskevi N. Polymenakou</name><name sortKey="Scoullos, Michael" sort="Scoullos, Michael" uniqKey="Scoullos M" first="Michael" last="Scoullos">Michael Scoullos</name><name sortKey="Stathopoulou, Eleni" sort="Stathopoulou, Eleni" uniqKey="Stathopoulou E" first="Eleni" last="Stathopoulou">Eleni Stathopoulou</name></country><country name="États-Unis"><noRegion><name sortKey="Carey, Steven" sort="Carey, Steven" uniqKey="Carey S" first="Steven" last="Carey">Steven Carey</name></noRegion><name sortKey="Bell, Katherine Croff" sort="Bell, Katherine Croff" uniqKey="Bell K" first="Katherine Croff" last="Bell">Katherine Croff Bell</name></country><country name="Allemagne"><noRegion><name sortKey="Gamaletsos, Platon" sort="Gamaletsos, Platon" uniqKey="Gamaletsos P" first="Platon" last="Gamaletsos">Platon Gamaletsos</name></noRegion><name sortKey="Goettlicher, Joerg" sort="Goettlicher, Joerg" uniqKey="Goettlicher J" first="Joerg" last="Goettlicher">Joerg Goettlicher</name><name sortKey="Steininger, Ralph" sort="Steininger, Ralph" uniqKey="Steininger R" first="Ralph" last="Steininger">Ralph Steininger</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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