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  • 1
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    Concentrations of heavy and precious metals in animals from hydrothermal vents of the Axial Seamount (Juan de Fuca Ridge) and Guaymas Basin (Gulf of California) (2009)
    PANGAEA
    In:  P.P. Shirshov Institute of Oceanology, Russian Academy of Sciences, Moscow | Supplement to: Shmelev, Igor P; Kuznetsov, Alexey A; Galkin, Sergey V (2009): Heavy metals in the benthic animals from hydrothermal vents: Results of neutron activation analysis. Oceanology, 49(3), 429-431, https://doi.org/10.1134/S0001437009030151
    Details
    Publication Date: 2023-03-16
    Description: A series of samples of inhabitants of hydrothermal vents were collected during the 12-th cruise of R/V Akademik Mstislav Keldysh in Guaymas Basin (the Gulf of California) and the Axial Seamount area (Juan de Fuca Ridge). Concentrations of trace and heavy metals in the tissues of Ridgeia piscesae, Riftia pachyptila, and Paralvinella palmiformis were analyzed. Neutron-activation analysis revealed significantly higher concentrations of uranium in tissues of Paralvinella palmiformis as compared to ambient seawater. Possible reasons for such phenomenon are discussed. The data obtained by neutron-activation method are compared with those obtained by atomic-absorption method for the same tissues analyzed.
    Keywords: Akademik Mstislav Keldysh; AMK12; AMK12-1473; AMK12-1505; AMK12-1528; Antimony; Archive of Ocean Data; ARCOD; Arsenic; Atomic absorption spectrometry (AAS); Axial Seamount, Juan de Fuca Ridge; Bromine; Chromium; Cobalt; Comment; Date/Time of event; Elevation of event; Event label; Gold; Guaymas Basin, Gulf of California; Instrumental neutron activation analysis (INAA); Iron; Latitude of event; Longitude of event; Mercury; PISCES; Scandium; Selenium; Silver; Species; Submersible PISCES; Uranium; Zinc
    Type: Dataset
    Format: text/tab-separated-values, 121 data points
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  • 2
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    (Table 1) Zoobenthos from the gas-hydrate seep area near the Paramushir Island and its chemical composition
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Description: Distributions of Mn, Fe, Cu, Cd, Cr, Co and Ni in sea water are investigated (42 samples, dissolved and particulate forms) in the vicinity of the underwater gas vent field on the northwestern slope of the Paramushir Island. While regular background distributions of the elements occur in the shore zone, there is a column of elevated concentrations of particulate matter, particulate Mn, and dissolved Mn, Fe, Cu, Cd, Cr, Co and Ni that coincides with location of the gas plume. This column can be traced as high as 780 m above the bottom. High metal concentrations in water of the plume are attributable to physico-chemical concentration at the phase interface; the source of elevated mineral concentrations is obviously flux of dissolved minerals from interstitial waters, which extends to considerable distances in vertical direction.
    Keywords: Aluminium; AMK11A-1391; AMK11A-1391/5; AMK11A-1401; AMK11A-1413; Archive of Ocean Data; ARCOD; Atomic absorption spectrometry (AAS); Comment; Copper; Elevation of event; Event label; Habitat; Individuals; Iron; Latitude of event; Longitude of event; Manganese; Mass; MULT; Multiple investigations; Nickel; Sample type; SIGSBY; Sigsby trawl; Species; Weighted; Zinc
    Type: Dataset
    Format: text/tab-separated-values, 75 data points
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  • 3
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    (Table 2) Chemical composition of surface sediments from stations of Cruise 11A of R/V Akademik Mstislav Keldysh
    PANGAEA
    Details
    Publication Date: 2023-05-12
    Description: Distributions of Mn, Fe, Cu, Cd, Cr, Co and Ni in sea water are investigated (42 samples, dissolved and particulate forms) in the vicinity of the underwater gas vent field on the northwestern slope of the Paramushir Island. While regular background distributions of the elements occur in the shore zone, there is a column of elevated concentrations of particulate matter, particulate Mn, and dissolved Mn, Fe, Cu, Cd, Cr, Co and Ni that coincides with location of the gas plume. This column can be traced as high as 780 m above the bottom. High metal concentrations in water of the plume are attributable to physico-chemical concentration at the phase interface; the source of elevated mineral concentrations is obviously flux of dissolved minerals from interstitial waters, which extends to considerable distances in vertical direction.
    Keywords: Aluminium; AMK11A-1400; AMK11A-1401-1; AMK11A-1418; Archive of Ocean Data; ARCOD; Atomic absorption spectrometry (AAS); Copper; Depth, bottom/max; Depth, top/min; Elevation of event; Event label; Iron; Latitude of event; Longitude of event; Manganese; MULT; Multiple investigations; Nickel; Zinc
    Type: Dataset
    Format: text/tab-separated-values, 24 data points
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  • 4
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    Unknown
    Chemical composition of zoobenthos and bottom sediments from the gas-hydrate seep area near the Paramushir Island, Kuril Island arc
    PANGAEA
    In:  Supplement to: Kuznetsov, Alexey P; Lukashin, Vyacheslav N; Shmelev, Igor P (1989): Concentrations of transition metals in zoobenthos of a gas-hydrate seep near Paramushir Island. Oceanology, 29(5), 585-589
    Details
    Publication Date: 2023-05-12
    Description: Bioaccumulation of metals by zoobenthos was investigated during cruise 11A of R/V Akademik Mstislav Keldysh in the vicinity of a gas-hydrate seep off Paramushir Island in the Sea of Okhotsk. Atomic absorption studies of concentrations of Al, Fe, Mn, Ni, Cu and Zn in zoobenthos (polychaetes, bivalves, ophiurans and echinoderms) collected from depths of 700-800 m indicated that their concentrations in individuals near the seep were not significantly different from those in individuals from other communities. Obtained results indicate that sea urchins and holothurians (non-sorting bottom-feeders) can separate mineral fraction of ingested bottom material.
    Keywords: AMK11A-1391; AMK11A-1391/5; AMK11A-1400; AMK11A-1401; AMK11A-1401-1; AMK11A-1413; AMK11A-1418; Archive of Ocean Data; ARCOD; MULT; Multiple investigations; SIGSBY; Sigsby trawl
    Type: Dataset
    Format: application/zip, 2 datasets
    Location Call Number Expected Availability
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    DATA PANGAEA
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