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Direct U-series analysis of the Lezetxiki humerus reveals a Middle Pleistocene age for human remains in the Basque Country (northern Iberia)

De-la-Rua, Concepcion; Altuna, Jesus; Hervella, Monserrat; Kinsley, Leslie; Grun, Rainer

Description

In 1964, a human humerus was found in a sedimentary deposit in Lezetxiki Cave (Basque Country, northern Iberia). The first studies on the stratigraphy, associated mammal faunal remains and lithic implements placed the deposits containing the humerus into the Riss glacial stage. Direct chronometric evidence has so far been missing, and the previous chronostratigraphic framework and faunal dating gave inconsistent results. Here we report laser ablation U-series analyses on the humerus yielding a...[Show more]

dc.contributor.authorDe-la-Rua, Concepcion
dc.contributor.authorAltuna, Jesus
dc.contributor.authorHervella, Monserrat
dc.contributor.authorKinsley, Leslie
dc.contributor.authorGrun, Rainer
dc.date.accessioned2016-06-14T23:19:33Z
dc.identifier.issn0047-2484
dc.identifier.urihttp://hdl.handle.net/1885/102942
dc.description.abstractIn 1964, a human humerus was found in a sedimentary deposit in Lezetxiki Cave (Basque Country, northern Iberia). The first studies on the stratigraphy, associated mammal faunal remains and lithic implements placed the deposits containing the humerus into the Riss glacial stage. Direct chronometric evidence has so far been missing, and the previous chronostratigraphic framework and faunal dating gave inconsistent results. Here we report laser ablation U-series analyses on the humerus yielding a minimum age of 164 ± 9 ka, corresponding to MIS 6. This is the only direct dating analysis of the Lezetxiki humerus and confirms a Middle Pleistocene age for this hominin fossil. Morphometric analyses suggest that the Lezetxiki humerus has close affinities to other Middle Pleistocene archaic hominins, such as those from La Sima de los Huesos at Atapuerca. This emphasizes the significance of the Lezetxiki fossil within the populations that predate the Neanderthals in south-western Europe. It is thus an important key fossil for the understanding of human evolution in Europe during the Middle Pleistocene, a time period when a great morphological diversity is observed but whose phylogenetic meaning is not yet fully understood.
dc.publisherAcademic Press
dc.sourceJournal of Human Evolution
dc.titleDirect U-series analysis of the Lezetxiki humerus reveals a Middle Pleistocene age for human remains in the Basque Country (northern Iberia)
dc.typeJournal article
local.description.notesImported from ARIES
local.identifier.citationvolume93
dc.date.issued2016
local.identifier.absfor040203 - Isotope Geochemistry
local.identifier.absfor210105 - Archaeology of Europe, the Mediterranean and the Levant
local.identifier.ariespublicationU3488905xPUB11789
local.type.statusPublished Version
local.contributor.affiliationDe-la-Rua, Concepcion, University of the Basque Country
local.contributor.affiliationAltuna, Jesus, Centro de Conservacion e Investigacion de los Materiales Arqueologicos y Paleontologicos de Gipuzkoa
local.contributor.affiliationHervella, Monserrat, University of the Basque Country
local.contributor.affiliationKinsley, Leslie, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationGrun, Rainer, College of Physical and Mathematical Sciences, ANU
local.description.embargo2037-12-31
local.bibliographicCitation.startpage109
local.bibliographicCitation.lastpage119
local.identifier.doi10.1016/j.jhevol.2016.02.001
local.identifier.absseo970121 - Expanding Knowledge in History and Archaeology
dc.date.updated2016-06-14T08:40:45Z
local.identifier.scopusID2-s2.0-84961214302
CollectionsANU Research Publications

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