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dc.contributor.author
Hendry, Katharine R.
dc.contributor.author
Andersen, Morten B.
dc.date.accessioned
2023-06-14T11:46:20Z
dc.date.available
2017-06-10T21:33:49Z
dc.date.available
2023-06-14T11:46:20Z
dc.date.issued
2013-09-16
dc.identifier.issn
0009-2541
dc.identifier.issn
1872-6836
dc.identifier.other
10.1016/j.chemgeo.2013.06.025
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/71945
dc.identifier.doi
10.3929/ethz-b-000071945
dc.description.abstract
The zinc (Zn) content and isotopic composition of marine biogenic opal have the potential to yield information about the nutrient availability, utilization and export of particulate organic matter from surface to deep waters. Here, we report the first measurements of the Zn isotopic composition of deep-sea marine sponge skeletal elements – spicules – collected in the Southern Ocean. Our results highlight different Zn uptake and isotopic fractionation behavior between the two major siliceous sponge clades (hexactinellids and demosponges), which is most likely linked to sponge feeding strategy. Hexactinellid spicule Zn isotopic compositions are not fractionated with respect to seawater, most likely due to Zn transport via the open internal structure of the sponges. In contrast, demosponge spicules exhibit a wide range of Zn isotopic compositions that are related to the opal Zn concentration, most likely reflecting variable Zn isotope compositions in the organic matter particles on which they feed, and internal fractionation processes.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Elsevier
en_US
dc.rights.uri
http://creativecommons.org/licenses/by/3.0/
dc.subject
Particulate organic matter
en_US
dc.subject
Porifera
en_US
dc.subject
Spicules
en_US
dc.subject
Zinc isotopes
en_US
dc.title
The zinc isotopic composition of siliceous marine sponges: Investigating nature's sediment traps
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 3.0 Unported
dc.date.published
2013-07-03
ethz.journal.title
Chemical Geology
ethz.journal.volume
354
en_US
ethz.journal.abbreviated
Chem. geol.
ethz.pages.start
33
en_US
ethz.pages.end
41
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.identifier.nebis
000907050
ethz.publication.place
Amsterdam
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02330 - Dep. Erdwissenschaften / Dep. of Earth Sciences::02725 - Institut für Geochemie und Petrologie / Institute of Geochemistry and Petrology::03956 - Vance, Derek / Vance, Derek
en_US
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02330 - Dep. Erdwissenschaften / Dep. of Earth Sciences::02725 - Institut für Geochemie und Petrologie / Institute of Geochemistry and Petrology::03956 - Vance, Derek / Vance, Derek
ethz.date.deposited
2017-06-10T21:35:49Z
ethz.source
ECIT
ethz.identifier.importid
imp593651020bc3038189
ethz.ecitpid
pub:113979
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2017-07-13T13:01:18Z
ethz.rosetta.lastUpdated
2024-02-03T00:06:49Z
ethz.rosetta.versionExported
true
ethz.COinS
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