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  • Center for Marine Environmental Sciences; gas hydrates; Japan; Kumano Basin; marine heat flow; MARUM; mud volcanism  (2)
  • Schlammvulkan  (2)
  • 146-891B; 146-892; COMPCORE; Composite Core; DRILL; Drilling/drill rig; Joides Resolution; Leg146; North Pacific Ocean; Ocean Drilling Program; ODP  (1)
Document type
Keywords
Publisher
Language
Years
  • 1
    Online Resource
    Online Resource
    Report and preliminary results of R/V POSEIDON cruise POS500 : LISA : Ligurian Slope AUV mapping, gravity coring and seismic reflection : Catania (Italy) - Malaga (Spain) 25.05.2016 - 09.06.2016 (2016)
    Bremen : MARUM - Zentrum für Marine Umweltwissenschaften, Fachbereich Geowissenschaften, Universität Bremen
    Details Availability
    Keywords: Forschungsbericht ; Schlammvulkan
    Type of Medium: Online Resource
    Pages: Online-Ressource
    Series Statement: Berichte aus dem MARUM und dem Fachbereich Geowissenschaften der Universität Bremen No. 312
    URL: http://nbn-resolving.de/urn:nbn:de:gbv:46-00105614-12
    URN: urn:nbn:de:gbv:46-00105614-12
    Language: English
    Location Call Number Limitation Availability
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    GEOMAR CATALOGUE
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  • 2
    Online Resource
    Online Resource
    Report and preliminary results of R/V SONNE cruise SO251 : extreme events archived in the geological record of Japan's subduction margins (EAGER-Japan) : Leg A SO251-1, Yokohama - Yokohama, 04.10.2016-15.10.2016, Leg B SO251-2, Yokohama - Yokohama, 18.10.2016-02.11.2016 (2017)
    Bremen : MARUM - Zentrum für Marine Umweltwissenschaften, Fachbereich Geowissenschaften, Universität Bremen
    Details Availability
    Keywords: Forschungsbericht ; Schlammvulkan
    Type of Medium: Online Resource
    Pages: 1 Online-Ressource
    Series Statement: Berichte aus dem MARUM und dem Fachbereich Geowissenschaften der Universität Bremen No. 318
    URL: http://nbn-resolving.de/urn:nbn:de:gbv:46-00106515-12
    URN: urn:nbn:de:gbv:46-00106515-12
    DDC: 550
    Language: English
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  • 3
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    Heat flow data of RV Sonne cruise SO251/2 (2019)
    PANGAEA
    Details
    Publication Date: 2023-11-10
    Description: Marine heat flow data, sampled by a 22-channel violin bow probe offshore Japan in 2016. Data are unfiltered, that is, they are measured field data, not necessarily refecting geothermal heat flux. The data are correct in a technical way but they are influenced by mud volcanism, gas hydrates and bottom water currents.
    Keywords: Center for Marine Environmental Sciences; gas hydrates; Japan; Kumano Basin; marine heat flow; MARUM; mud volcanism
    Type: Dataset
    Format: application/zip, 9 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 4
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    Boron concentrations and isotope ratios of authigenic carbonates from the Oregon margin (2001)
    PANGAEA
    In:  Supplement to: Deyhle, Annette; Kopf, Achim J; Eisenhauer, Anton (2001): Boron systematics of authigenic carbonates: a new approach to identify fluid processes in accretionary prisms. Earth and Planetary Science Letters, 187(1-2), 191-205, https://doi.org/10.1016/S0012-821X(01)00268-0
    Details
    Publication Date: 2024-01-09
    Description: Boron contents and boron, carbon and oxygen stable isotopes were determined for authigenic carbonates recovered from Ocean Drilling Program Leg 146, Oregon margin. Carbonate precipitates are the most widespread authigenic phase in the shallow accretionary wedge and carry chemical information about long-term variations in pore fluid origin and flow paths in the Cascadia subduction zone. Drilling the first ridge (toe area including the frontal thrust) and the second ridge (or Hydrate Ridge) of the prism demonstrated different fluid regimes, with higher B contents in the authigenic precipitates at the toe. The delta11B of 18 authigenic precipitates analysed ranges from 13.9 per mil to as high as 39.8 per mil, extending the upper range of previously reported carbonate delta11B values considerably. When related to the delta11B ratio of their parent solutions, these data are characteristic of fluid-related processes in accretionary prisms. Together with delta13C and delta18O, delta11B ratios of the carbonate concretions, nodules and crusts allow one to distinguish between precipitation influenced by (i) seawater, (ii) fluid reservoirs at different depth levels within the accretionary prism and (iii) cage water from dissociated gas hydrates, the latter possibly indicating a fluctuation of the bottom simulating reflector during most recent Earth's history. From this first systematic boron study on authigenic precipitates from an accretionary prism it is suggested that B contents of such carbonate crusts and concretions exceed those reported for other marine carbonates. Given the abundance of such precipitates at convergent margins, they represent a significant B sink in geochemical cycling. Isotopic compositions of the parent fluids to the carbonates mirror B chemistry of modern pore waters from convergent margins. The precipitates carry information of different subduction-related fluid processes over a certain period of time, and hence are a crucial tracer in the investigation of palaeo-fluid flow.
    Keywords: 146-891B; 146-892; COMPCORE; Composite Core; DRILL; Drilling/drill rig; Joides Resolution; Leg146; North Pacific Ocean; Ocean Drilling Program; ODP
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Limitation Availability
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  • 5
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    Heat flow data of RV Sonne cruise SO222 (2019)
    PANGAEA
    In:  Supplement to: Kopf, Achim J; Asshoff, Kira; Belke-Brea, M; Bergenthal, Markus; Bohrmann, Gerhard; Bräunig, Anja; Düßmann, Ralf; Feseker, Tomas; Fleischmann, Timo; Franke, Philipp; Geprägs, Patrizia; Hammerschmidt, Sebastian; Heesemann, Bernd; Herschelmann, Oliver; Hüpers, Andre; Ikari, Matt J; Kaszemeik, Kai; Kaul, Norbert; Kimura, Toshinori; Kitada, Kazuya; Klar, Steffen; Lange, Matthias; Madison, Melissa; Mai, Anh Hoang; Noorlander, Cornelis; Pape, Thomas; Rehage, Ralf; Reuter, Christian; Rosiak, Uwe; Saffer, Demian M; Schmidt, Werner; Seiter, Christian; Spiesecke, Ulli; Stachowski, Adrian; Ojima, Takanori; Tryon, Michael; Vahlenkamp, Maximilian; Wei, Jiayong; Wiemer, Gauvain; Wintersteller, Paul; Zarrouk, Marcel (2013): Report and preliminary results of R/V SONNE cruise SO222. MEMO: MeBo drilling and in situ Long-term Monitoring in the Nankai Trough accretionary complex, Japan. Leg A: Hong Kong, PR China, 09.06.2012 - Nagoya, Japan, 30.06.2012. Leg B: Nagoya, Japan, 04.07.2012 - Pusan, Korea, 18.07.2012. Berichte aus dem MARUM und dem Fachbereich Geowissenschaften der Universität Bremen, 297, 121 pp, urn:nbn:de:gbv:46-00103543-13
    Details
    Publication Date: 2024-05-25
    Description: Temperature gradients and in-situ thermal conductivity, measured with the Bremen heat flow probe. There are 21 channels, spaced 0.26 cm.
    Keywords: Center for Marine Environmental Sciences; gas hydrates; Japan; Kumano Basin; marine heat flow; MARUM; mud volcanism
    Type: Dataset
    Format: application/zip, 16 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
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