Resumen

SANTOS VALERO, Florencia. SITIO LA MODESTA: PRIMEROS RESULTADOS ACERCA DE LOS PROCESOS DE TALLA DURANTE EL HOLOCENO MEDIO EN EL CURSO INFERIOR DEL RÍO COLORADO (PROVINCIA DE BUENOS AIRES). Relaciones [online]. 2019, vol.44, n.1, pp.1-10. ISSN 0325-2221.

The aim of this article is to present the frst results on the technological trends identifed for the middle Holocene in the lower basin of the Colorado River (Buenos Aires Province). For this purpose, the lithic assemblage of La Modesta site was analyzed. The occupations of this site were dated between ca. 5900 and 5600 ¹⁴C years B P. So far, the known archaeological information for this temporal lapse in the area was restricted to the study of human burials that were found in modern pebble quarries near the Atlantic coast. La Modesta lithic assemblage is in the interior portion of the study area. For this reason, this study consists on the frst approach to the knowledge of the lithic technology of this scarcely known period in the eastern Pampean-Patagonian transition area. The methodology included the study of the exploited raw materials, the chaînes operatoires, the knapping methods and techniques, the tools production modalities, and the main characteristics of the typological groups. The results allowed expanding the knowledge of the lithic technology, already outlined in the study area for other temporal periods (initial and final Late Holocene). In general terms, it is proposed that the hunter-gatherers that inhabited the lower basin of the Colorado River had continuity in the knowledge about the raw materials management along the Middle and Late Holocene.

Palabras clave : Pampa - Patagonia - Middle Holocene - lithic technology - hunter-gatherers - chaîne opératoire.

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