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Title: Holocene-aged human footprints from the Cuatrociénegas Basin, NE Mexico
Authors: Felstead, Nicholas J.
González, Silvia
Huddart, David
Noble, Stephen R.
Hoffmann, Dirk
Metcalfe, Sarah E.
Leng, Melanie J.
Albert, Bruce M.
Pike, Alistair W. G.
González-González, Arturo Homero
Jiménez-López, José Concepción
Keywords: Human footprints;Tufa;Cuatrociénegas;Palaeoindian;Mexico
Issue Date: Feb-2014
Publisher: Elsevier
Citation: Journal of Archaeological Science, 2014, 42, 250-259
Abstract: Two sets of well-preserved human footprints have been found in tufa sediments in the Cuatrociénegas Basin, NE Mexico, and here we present their U-series dates of 10.55 ± 0.03 ka and 7.24 ± 0.13 ka. The former are the oldest known footprints in Mexico, although their exact location is unknown, the latter form part of a trackway with eleven in situ human footprints. Oxygen (and to a lesser extent) carbon isotope data from the sediments suggest that the tufa with in situ footprints formed during a transition to a wetter (less arid) period, while pollen evidence indicates the basin floor presence of pecan (Carya) and willow (Salix sp.) before the onset of regional Chihuahuan Desert aridity. These footprints confirm the presence of humans, possibly nomadic hunter–gatherer groups, which persisted until the 18th Century AD.
ISSN: 0305-4403
DOI: 10.1016/j.jas.2013.11.010
Type: Article
Appears in Collections:Geocronología y Geología

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