Sulphur geochemistry of interstitial waters and squeeze cake samples of ODP Leg 181 sites
Cobertura |
MEDIAN LATITUDE: -44.883326 * MEDIAN LONGITUDE: 176.798655 * SOUTH-BOUND LATITUDE: -50.897930 * WEST-BOUND LONGITUDE: 172.393300 * NORTH-BOUND LATITUDE: -41.785780 * EAST-BOUND LONGITUDE: -171.498980 * DATE/TIME START: 1998-08-23T10:20:00 * DATE/TIME END: 1998-09-24T10:00:00 |
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Data(s) |
19/07/2002
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Resumo |
Seventy-nine interstitial water samples from six sites (Ocean Drilling Program Sites 1119-1124) from the southwestern Pacific Ocean have been analyzed for stable isotopes of dissolved sulfate (34S), along with major and minor ions. Sulfate from the interstitial fluids (34S values between +20.7 and +57.5 vs. the Vienna-Canyon Diablo troilite standard) was enriched in 34S with respect to modern seawater (34S +20.6), indicating that differing amounts of microbial sulfate reduction took place at all investigated sites. Microbial sulfate reduction was found at all sites, the intensity depending on the availability of organic matter, which is controlled by paleosedimentation conditions (e.g., sedimentation rate and presence of turbidites). In addition, total reduced inorganic sulfur (essentially pyrite) as a product of microbial sulfate reduction was quantified in selected sediments from Site 1119. |
Formato |
application/zip, 2 datasets |
Identificador |
https://doi.pangaea.de/10.1594/PANGAEA.786372 doi:10.1594/PANGAEA.786372 |
Idioma(s) |
en |
Publicador |
PANGAEA |
Direitos |
CC-BY: Creative Commons Attribution 3.0 Unported Access constraints: unrestricted |
Fonte |
Supplement to: Böttcher, Michael E; Khim, Boo-Keun; Suzuki, Atsushi (2002): Microbial sulfate reduction in interstitial waters from sediments of the southwest Pacific (Sites 1119-1124): evidence from stable sulfur isotopes. In: Richter, C (ed.) Proceedings of the Ocean Drilling Program, Scientific Results, College Station, TX (Ocean Drilling Program), 181, 1-15, doi:10.2973/odp.proc.sr.181.201.2002 |
Palavras-Chave | #[SO4]2-; Chloride; Cl-; d34S [SO4]2-; delta 34S, sulfate; Depth; DEPTH, sediment/rock; Event; Label; Mass spectrometer Finnigan MAT 252; Ocean Drilling Program; ODP; ODP sample designation; Sample code/label; Sulfate; Sulfur, total reduced inorganic; TRIS |
Tipo |
Dataset |