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  • 11
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    Unknown
    Source apportionment results for 〈5 μm size fraction sediments of core PS75/056-1 (2022)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: This dataset contains the source apportionment results for the dust fraction (〈5 µm size fraction) of sediment core PS75/056-1 from the South Pacific Subantarctic Zone (55.16°S, 114.78°W; 3581 m water depth) collected during R/V Polarstern expedition ANT-XXVI/2 (PS75 BIPOMAC) in 11/2009-01/2010 (Gersonde, 2011, doi:10.2312/BzPM_0632_2011). The original lithogenic dust provenance signal was extracted from a total of 108 samples (incl. 13 full replicates) between 0.03 and 9.93 m core depth covering the period from ~8,000 to ~260,000 years before present. The age model is from van der Does et al. (2021, doi:10.1016/j.quascirev.2021.106978). The source apportionment was calculated using PS75/056-1 dust fraction radiogenic isotope compositions (doi:10.1594/PANGAEA.947018) and the Bayesian mixing model MixSIAR (Longman et al, 2018, doi:10.1038/s41598-018-24474-0; Stock et al., 2018, doi:10.7717/peerj.5096). Mean values of dust grain size reported together with the source apportionment results were previously published by van der Does et al. (2021, doi:10.1016/j.quascirev.2021.106978)). Iron (Fe) and Fe(II) flux data for PS75/056-1 (Shoenfelt et al., 2018, doi:10.1073/pnas.1809755115) were interpolated linearly to obtain values for the depths sampled for dust provenance work. The source-specific fluxes were calculated based on the relative contributions of the individual dust source regions to the total Fe input.
    Keywords: Adopted from van der Does et al. (2021); AGE; ANT-XXVI/2; Calculated; Comment; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Dust, aeolian; Dust provenance; Grain size, mean; Gravity corer (Kiel type); interpolated; Iron, flux; Iron fluxes; Iron II, flux; Polarstern; PS75/056-1; PS75 BIPOMAC; Radiogenic isotopes; Rare earth elemets; Sample comment; Sample ID; SL; Southern Hemisphere Westerly Winds; Southern Ocean; South Pacific Ocean
    Type: Dataset
    Format: text/tab-separated-values, 2675 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 12
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    Unknown
    Mineral composition of samples from the Mariana Trough (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Keywords: 2018-TS09_TVG01-1; 2018-TS09_TVG01-2; 2018-TS09_TVG02-1; 2018-TS09_TVG02-2; 2018-TS09_TVG02-3; 2018-TS09_TVG05-1; 2018-TS09_TVG05-2; 2018-TS09_TVG05-3; 2018-TS09_TVG06-1; 2018-TS09_TVG06-2; 2018-TS09_TVG06-3; 2018-TS09_TVG07; Biotite; Calcite; Chlorite; Elevation of event; Event label; GDGT; Hornblende; Latitude of event; Longitude of event; Mariana Trough; Plagioclase; Pyroxene; Quartz; Television-Grab; Tephra; TOC; trace elements; TVG; Western Pacific Ocean
    Type: Dataset
    Format: text/tab-separated-values, 44 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 13
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    Unknown
    Geochemical results for 〈5 µm size fraction sediments of core PS75/056-1 (2022)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: This dataset contains the geochemical results for the dust fraction (〈5 µm size fraction) of sediment core PS75/056-1 from the South Pacific Subantarctic Zone (55.16°S, 114.78°W; 3581 m water depth) collected during R/V Polarstern expedition ANT-XXVI/2 (PS75 BIPOMAC) in 11/2009-01/2010 (Gersonde, 2011, doi:10.2312/BzPM_0632_2011). The original lithogenic dust provenance signal was extracted from a total of 108 samples (incl. 13 full replicates) between 0.03 and 9.93 m core depth covering the period from ~8,000 to ~260,000 years before present. The age model is from van der Does et al. (2021, doi:10.1016/j.quascirev.2021.106978). All samples were analyzed for their trace element content using a ThermoFinnigan Element II ICP-MS and their radiogenic isotope composition (Nd, Pb, Sr) was analyzed with a ThermoScientific Neptune Plus MC-ICP-MS at the ICBM in Oldenburg, Germany
    Keywords: Adopted from van der Does et al. (2021); AGE; ANT-XXVI/2; Barium; Calculated, PAAS-normalized (Taylor and McLennan, 1985); Cerium; Depth, bottom/max; DEPTH, sediment/rock; Depth, top/min; Dust provenance; Dysprosium; Erbium; Europium; Europium anomaly; Gadolinium; Gravity corer (Kiel type); Holmium; ICP-MS, Thermo Finnigan, Element 2; Iron fluxes; Laboratory code/label; Lanthanum; Lanthanum/Ytterbium ratio; Lead; Lead-206/Lead-204 ratio; Lead-206/Lead-204 ratio, standard deviation; Lead-206/Lead-204 ratio, standard error; Lead-207/Lead-204 ratio; Lead-207/Lead-204 ratio, standard deviation; Lead-207/Lead-204 ratio, standard error; Lead-207/Lead-206 ratio; Lead-207/Lead-206 ratio, standard deviation; Lead-207/Lead-206 ratio, standard error; Lead-208/Lead-204 ratio; Lead-208/Lead-204 ratio, standard deviation; Lead-208/Lead-204 ratio, standard error; Lead-208/Lead-206 ratio; Lead-208/Lead-206 ratio, standard deviation; Lead-208/Lead-206 ratio, standard error; Lutetium; Multi-collector ICP-MS (MC-ICP-MS), Neptune Plus, Thermo; Neodymium; Neodymium-143/Neodymium-144 ratio; Neodymium-143/Neodymium-144 ratio, standard error; Polarstern; Praseodymium; PS75/056-1; PS75 BIPOMAC; Radiogenic isotopes; Rare earth elemets; Samarium; Sample comment; SL; Southern Hemisphere Westerly Winds; Southern Ocean; South Pacific Ocean; Strontium; Strontium-87/Strontium-86 ratio; Strontium-87/Strontium-86 ratio, standard deviation; Strontium-87/Strontium-86 ratio, standard error; Terbium; Thulium; Ytterbium; Zirconium; ε-Neodymium; ε-Neodymium, standard deviation; ε-Neodymium, standard error
    Type: Dataset
    Format: text/tab-separated-values, 5019 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 14
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    GDGT distribution of Mariana Trough tuffs and background sediments (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Keywords: 2018-TS09_TVG01-1; 2018-TS09_TVG01-2; 2018-TS09_TVG02-1; 2018-TS09_TVG02-2; 2018-TS09_TVG02-3; 2018-TS09_TVG02-4; 2018-TS09_TVG02-5; 2018-TS09_TVG05-1; 2018-TS09_TVG05-2; 2018-TS09_TVG05-3; 2018-TS09_TVG05-4; 2018-TS09_TVG05-5; 2018-TS09_TVG06-1; 2018-TS09_TVG06-2; 2018-TS09_TVG06-3; 2018-TS09_TVG06-4; 2018-TS09_TVG07; 2018-TS09_TVG08; 2019-TS14_SY191-1; 2019-TS14_SY197-1; 2019-TS14_SY198-1; Average of rings; Branched and isoprenoid tetraether index; Branched glycerol dialkyl glycerol tetraether; Branched glycerol dialkyl glycerol tetraether, Ia; Branched glycerol dialkyl glycerol tetraether, Ib; Branched glycerol dialkyl glycerol tetraether, Ic; Branched glycerol dialkyl glycerol tetraether, IIa; Branched glycerol dialkyl glycerol tetraether, IIa'; Branched glycerol dialkyl glycerol tetraether, IIb; Branched glycerol dialkyl glycerol tetraether, IIb'; Branched glycerol dialkyl glycerol tetraether, IIc; Branched glycerol dialkyl glycerol tetraether, IIc'; Branched glycerol dialkyl glycerol tetraether, IIIa; Branched glycerol dialkyl glycerol tetraether, IIIa'; Branched glycerol dialkyl glycerol tetraether, IIIb; Branched glycerol dialkyl glycerol tetraether, IIIb'; Branched glycerol dialkyl glycerol tetraether, IIIc; Branched glycerol dialkyl glycerol tetraether, IIIc'; Branched glycerol dialkyl glycerol tetraether, per unit mass total organic carbon; Carbon, organic, total; Comment; Crenarchaeol; Crenarchaeol isomer; Degree of cyclisation; Elevation of event; Event label; GDGT; Isoprenoid acyclic glycerol dialkyl glycerol tetraether; Isoprenoid dicyclic glycerol dialkyl glycerol tetraether; Isoprenoid glycerol dialkyl glycerol tetraether; Isoprenoid glycerol dialkyl glycerol tetraether, per unit mass total organic carbon; Isoprenoid glycerol dialkyl glycerol tetraether/branched glycerol dialkyl glycerol tetraether ratio; Isoprenoid monocyclic glycerol dialkyl glycerol tetraether; Latitude of event; Liquid chromatography, Agilent 1200; coupled with Triple-quadruple mass spectrometer, Agilent 6460A; Longitude of event; Mariana Trough; Methylation index of branched tetraethers; PUC; Push corer; Sum; Sum branched glycerol dialkyl glycerol tetraether, IIIa/Sum Branched glycerol dialkyl glycerol tetraether, IIa ratio; Television-Grab; Tephra; TOC; trace elements; TVG; Western Pacific Ocean; δ13C, total organic carbon
    Type: Dataset
    Format: text/tab-separated-values, 747 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 15
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    Inorganic and organic geochemical composition of Mariana Trough tuffs and background sediments (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Keywords: GDGT; Mariana Trough; Tephra; TOC; trace elements
    Type: Dataset
    Format: application/zip, 3 datasets
    Location Call Number Limitation Availability
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    DATA PANGAEA
  • 16
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    Unknown
    Trace element compositions of samples from the Mariana Trough (2023)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Keywords: 2018-TS09_TVG01-1; 2018-TS09_TVG01-2; 2018-TS09_TVG02-1; 2018-TS09_TVG02-2; 2018-TS09_TVG02-3; 2018-TS09_TVG05-1; 2018-TS09_TVG05-2; 2018-TS09_TVG05-3; 2018-TS09_TVG06-1; 2018-TS09_TVG06-2; 2018-TS09_TVG06-3; 2018-TS09_TVG07; Barium; Beryllium; Cadmium; Caesium; Cerium; Chromium; Cobalt; Copper; Dysprosium; Elevation of event; Erbium; Europium; Event label; Gadolinium; GDGT; Hafnium; Holmium; Indium; Inductively Coupled Plasma Mass Spectrometer, Agilent 7700X; Lanthanum; Latitude of event; Lead; Lithium; Longitude of event; Lutetium; Mariana Trough; Neodymium; Nickel; Niobium; Praseodymium; Rubidium; Samarium; Scandium; Strontium; Tantalum; Television-Grab; Tephra; Terbium; Thallium; Thulium; TOC; trace elements; TVG; Vanadium; Western Pacific Ocean; Ytterbium; Yttrium; Zinc; Zirconium
    Type: Dataset
    Format: text/tab-separated-values, 432 data points
    Location Call Number Limitation Availability
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    DATA PANGAEA
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