As in many other regions, the periodization of the Neolithic in the northeastern Iberian Peninsula was based upon relative dating obtained through ceramic typologies. Moreover, this prehistoric period was structured using nomenclature borrowed from the Neolithization of southern France. A total of 37 new radiocarbon dates for NE Iberia have been recently obtained with appropriate sampling criteria. These results have been used in conjunction with other reliable14C dates in order to assess the validity of traditional classifications established through the study of ceramic typologies. The gradual improvement in the quality of sample choice and the available archaeological records allowed the selection of 187 dates obtained mostly from short-lived taxa. This has enabled the chronological boundaries to be adjusted as precisely as possible.
RESUMENEn este trabajo se presentan datos inéditos acerca de tres asentamientos al aire libre situados en el llano prelitoral del Penedès (Barcelona) con ocupaciones del Neolítico inicial: el hábitat de Les Guixeres de Vilobí y las agrupaciones de silos-fosas de La Serreta y el Mas d'en Boixos . Se estudian sus materiales cerámicos y 5 fechas radiocarbónicas inéditas en el marco de la discusión sobre el Neolítico antiguo del nordeste de la Península Ibérica y de la neolitización del Mediterráneo occidental . Se propone que esta zona fue clave y con cierta densidad poblacional durante las primeras fases neolíticas y comparable a enclaves emblemáticos como el cercano valle del Llobregat (Garraf-llano de Barcelona y Vallès) o la zona alicantina . La antigüedad de las fechas obtenidas aporta nuevos datos al debate acerca del primer neolítico en la Península Ibérica .
ABSTRACT
The work now presented puts forward new data on three open-air sites located in Penedès (Barcelona, Catalan Coastal Depression) with Early Neolithic occupation phases: the settlement of Les Guixeres de Vilobí and the pit complexes of La Serreta and Mas d'en
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