Publikationen

Nature does the averaging — In-situ produced <sup>10</sup>Be, <sup>21</sup>Ne, and <sup>26</sup>Al in a very young river terrace

Autor(en)
Andreas Gärtner, Silke Merchel, Samuel Niedermann, Régis Braucher, Aster-Team, Peter Steier, Georg Rugel, Andreas Scharf, Loic Le Bras, Ulf Linnemann
Abstrakt

The concentrations of long-lived in-situ produced cosmogenic nuclides (10Be,21Ne,26Al) in quartz obtained from a very recent (~200 a; based on14C data on organic material) terrace of the Swakop River in Namibia are nearly constant throughout a 322 cm-long depth profile. These findings corroborate earlier hypotheses postulating a homogeneous distribution of these nuclides in freshly deposited river terrace sediments. An averaged nuclide concentration is a crucial and generally assumed prerequisite for the determination of numerical ages of old sediments.

Organisation(en)
Isotopenphysik
Externe Organisation(en)
Forschungszentrum Dresden Rossendorf (FZD), Helmholtz-Zentrum Potsdam Deutsches GeoForschungsZentrum, Aix-Marseille Université, University of Witwatersrand, Senckenberg Naturhistorische Sammlungen Dresden
Journal
Geosciences
Band
10
Anzahl der Seiten
16
DOI
https://doi.org/10.3390/geosciences10060237
Publikationsdatum
06-2020
Peer-reviewed
Ja
ÖFOS 2012
105105 Geochemie
Schlagwörter
ASJC Scopus Sachgebiete
Earth and Planetary Sciences(all)
Link zum Portal
https://ucris.univie.ac.at/portal/de/publications/nature-does-the-averaging--insitu-produced-10be-21ne-and-26al-in-a-very-young-river-terrace(87e0ccd8-365d-46d2-928c-8eda229d375b).html