Maximum ages of the Côa valley (Portugal) engravings measured with Chlorine-36

• Autores: Fred M. Phillips, Montgomery Flinsch, David Elmore, Pankaj Sharma
• Localización: Antiquity, ISSN 0003-598X, Vol. 71, Nº 271, 1997, págs. 100-104
• Idioma: inglés
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• Resumen

  • Panel faces in teh Côa valley, Portugal, were available for engraving during the Upper Palaeolithic, according to 36Cl exposure ages of 16,000 to 136,000 years.