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Title: Combining surface exposure dating and burial dating from paired cosmogenic depth profiles. Example of El Límite alluvial fan in Huércal-Overa basin (SE Iberia)
Author: Rodés Bolumburu, Ángel
Pallàs i Serra, Raimon
Ortuño Candela, Maria
García Meléndez, E.
Masana, Eulàlia
Keywords: Geocronologia
Datació arqueològica
Archaeological dating
Issue Date: Feb-2014
Publisher: Elsevier B.V.
Abstract: Cosmogenic nuclide depth-profiles are used to calculate the age of landforms, the rates at which erosion has affected them since their formation and, in case of deposits, the paleo-erosion rate in the source area. However, two difficulties are typically encountered: 1) old deposits or strongly affected by cosmogenic nuclide inheritance often appear to be saturated, and 2) a full propagation of uncertainties often yields poorly constrained ages. Here we show how to combine surface-exposure-dating and burial-dating techniques in the same profile to get more accurate age results and to constrain the extent of pre-depositional burial periods. A 10Be-26Al depth-profile measured in an alluvial fan of SE Iberia is presented as a natural example.
Note: Versió postprint del document publicat a:
It is part of: Quaternary Geochronology, 2014, vol. 19, p. 127-134
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ISSN: 1871-1014
Appears in Collections:Articles publicats en revistes (Dinàmica de la Terra i l'Oceà)

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