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Combining surface exposure dating and burial dating from paired cosmogenic depth profiles. Example of El Límite alluvial fan in Huércal-Overa basin (SE Iberia)
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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.
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RODÉS BOLUMBURU, Ángel, PALLÀS I SERRA, Raimon, ORTUÑO CANDELA, Maria, GARCÍA MELÉNDEZ, Eduardo, MASANA, Eulàlia. Combining surface exposure dating and burial dating from paired cosmogenic depth profiles. Example of El Límite alluvial fan in Huércal-Overa basin (SE Iberia). _Quaternary Geochronology_. 2014. Vol. 19, núm. 127-134. [consulta: 23 de gener de 2026]. ISSN: 1871-1014. [Disponible a: https://hdl.handle.net/2445/98462]