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Wichern, Nina Maria Annegret; Bialik, Or M; Nohl, Theresa; Percival, Lawrence; Becker, R Thomas; Kaskes, Pim; Claeys, Philippe; De Vleeschouwer, David (2024): Tuned K2O/Al2O3 ratios of the Devonian Kellwasser Crisis interval (ca. 372 Ma) at Winsenberg, Germany [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.965394, In: Wichern, NMA et al. (2024): Multiproxy dataset (pXRF, carbon isotopes, TOC, XRD) of the Devonian Kellwasser Crisis interval (ca. 372 Ma) at Winsenberg, Germany [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.965390

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Abstract:
A total of 556 samples (3 cm average sample spacing) were collected from the 12 m long Winsenberg section in order to reconstruct a floating timescale using cyclostratigraphic methods and to investigate paleoclimatic dynamics using selected elemental ratios. Samples were measured as a powder covered with Chemplex film on a Bruker S1 Titan 800 portable XRF at the University of Münster with the following settings: 40 kV, 20 mA, no filters, 75 s. Spectra were deconvoluted in Bruker Artrax software, and linearly calibrated using a set of 10 sedimentary standards of known composition and 11 calcite-quart mixtures. The composition of these standards is also included. Selected elemental ratios were tuned via the methods described in the accompanying manuscript, and are included in this dataset as well.
Keyword(s):
Astrochronology; Carbon isotopes; Cyclostratigraphy; Devonian; Fieldwork; Frasnian-Famennian; Germany; Kellwasser Crisis; Portable X-Ray Fluorescence; Rhenish Massif; TOC; Winsenberg; XRD
Funding:
Deutsche Forschungsgemeinschaft, Bonn (DFG), grant/award no. 451461400: Astronomical signatures in Late Devonian black shales of the Rhenish Massif
UNESCO, grant/award no. IGCP-652: Reading Time in Palaeozoic sedimentary rocks
Vrije Universiteit Brussel, grant/award no. W000522N: CycloNet
Coverage:
Latitude: 51.370194 * Longitude: 8.797500
Date/Time Start: 2021-09-08T00:00:00 * Date/Time End: 2021-09-08T00:00:00
Minimum Elevation: 350.0 m * Maximum Elevation: 350.0 m
Event(s):
Winsenberg_2021 * Latitude: 51.370194 * Longitude: 8.797500 * Elevation: 350.0 m * Location: Rhenish Massif * Method/Device: Sampling by hand (HAND)
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Age, relativeAge relkaWichern, Nina Maria Annegret
2 Potassium oxide/Aluminium dioxide ratioK2O/Al2O3Wichern, Nina Maria Annegret
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
982 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Age rel [ka]		2 
K2O/Al2O3
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