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  • Astrochronology; Carbon isotopes; Corrected; Cyclostratigraphy; Date of determination; Devonian; Fieldwork; Frasnian-Famennian; Germany; HAND; Kellwasser Crisis; Mass spectrometer, Thermo Fisher Scientific, Delta V plus; Portable X-Ray Fluorescence; Rhenish Massif; Sample ID; Sampling by hand; Stratigraphic height; TOC; Winsenberg; Winsenberg_2021; XRD; δ13C, carbonate; δ13C, carbonate, standard deviation; δ18O, carbonate; δ18O, carbonate, standard deviation  (1)
  • Astrochronology; Carbon isotopes; Cyclostratigraphy; Date of determination; Devonian; Element analyser CHNS; Fieldwork; Frasnian-Famennian; Germany; HAND; Kellwasser Crisis; Portable X-Ray Fluorescence; Rhenish Massif; Sample ID; Sampling by hand; Stratigraphic height; TOC; Winsenberg; Winsenberg_2021; XRD; δ13C, organic carbon; δ13C, organic carbon, standard deviation  (1)
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  • 1
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    Unknown
    Stable carbon organic carbon isotope ratios of the Devonian Kellwasser Crisis interval (ca. 372 Ma) at Winsenberg, Germany (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: A total of 34 samples (35 cm average sample spacing) were analysed for organic carbon d13C in order to identify the two characteristic positive excursions associated with the Lower and Upper Kellwasser Events. Measurements were carried out at the Analytical, Environmental and Geo-Chemistry Research Group (AMGC) of the Vrije Universiteit Brussel (Belgium). The samples were decarbonated with 10% HCl in two steps, rinsed with milliQ water, and dried in an oven at 50°C. Total organic carbon (TOC) contents and δ13Corg compositions were determined on a Euro EA 150 Elemental Analyzer (CHNS) - Euro Vector HT-PyrOH combustion system coupled to a Nu-Instruments Horizon 2 isotope ratio mass spectrometer. The results were calibrated using two international standards, IAEA-C6 (sucrose: δ13C = -10.45‰) and IA-R068 (soy protein: δ13C = -25.22‰), together with reference material IVA33802151, which is calibrated against these international standards (organic-rich sediment: δ13C = -28.85‰). This calibration was verified with a further reference material, IVA33802153 (organic-rich soil: δ13C = -22.88‰).
    Keywords: Astrochronology; Carbon isotopes; Cyclostratigraphy; Date of determination; Devonian; Element analyser CHNS; Fieldwork; Frasnian-Famennian; Germany; HAND; Kellwasser Crisis; Portable X-Ray Fluorescence; Rhenish Massif; Sample ID; Sampling by hand; Stratigraphic height; TOC; Winsenberg; Winsenberg_2021; XRD; δ13C, organic carbon; δ13C, organic carbon, standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 170 data points
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    DATA PANGAEA
  • 2
    facet.materialart.
    Unknown
    Stable carbon and oxygen carbonate isotope ratios of the Devonian Kellwasser Crisis interval (ca. 372 Ma) at Winsenberg, Germany (2024)
    PANGAEA
    Details
    Publication Date: 2024-06-12
    Description: A total of 152 samples (8 cm average sample spacing) were analysed for carbonate d13C in order to identify the two characteristic positive excursions associated with the Lower and Upper Kellwasser Events. Measurements on powdered samples weighing 120-150 μg were carried out on a ThermoScientific Delta V Plus mass spectrometer at the University of Münster, using an in-house standard (Kabonat-1; δ13C = 1.46‰, δ18O = -1.19‰) for calibration and an external standard (NBS-19; δ13C = 1.95‰, δ18O = -2.20‰) for long-term performance monitoring.
    Keywords: Astrochronology; Carbon isotopes; Corrected; Cyclostratigraphy; Date of determination; Devonian; Fieldwork; Frasnian-Famennian; Germany; HAND; Kellwasser Crisis; Mass spectrometer, Thermo Fisher Scientific, Delta V plus; Portable X-Ray Fluorescence; Rhenish Massif; Sample ID; Sampling by hand; Stratigraphic height; TOC; Winsenberg; Winsenberg_2021; XRD; δ13C, carbonate; δ13C, carbonate, standard deviation; δ18O, carbonate; δ18O, carbonate, standard deviation
    Type: Dataset
    Format: text/tab-separated-values, 1976 data points
    Location Call Number Expected Availability
    BibTip Others were also interested in ...
    DATA PANGAEA
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