El siguiente estudio se focaliza en las modalidades de uso de las tecnolog as l ticas manufacturadas por diferentes grupos cazadores-recolectores, que habitaron la Meseta Central de Santa Cruz (Argentina), desde la transici n Pleistoceno-Holoceno al Holoceno Tard o (ca. 13.000 a os C14 AP hasta tiempos hist ricos). Este trabajo se desarroll a partir del an lisis tecno-morfol gico y funcional de base microsc pica, de los conjuntos artefactuales procedentes de los sitios Cueva Maripe y Alero El Puesto 1 (AEP1), de la localidad arqueol gica Piedra Museo. La metodolog a aplicada, mediante diferentes medios pticos y en base a una intensa labor experimental, ha permitido determinar la recurrencia y variabilidad en usos y dise os en diferentes bloques temporales de ocupaci n. Esto permiti constatar aspectos econ micos y simb licos de las pr cticas tecnol gicas; al igual que, formular supuestos acerca de la importancia del contexto de uso del instrumental l tico en la organizaci n social de grupos que habitaron desde pocas tempranas este sector de la Patagonia Argentina. This work includes the study of use traces of lithic technologies manufactured by different hunter-gatherer societies from the Central Plateau of Santa Cruz (Argentina). The time period studied is from the Pleistocene-Holocene transition to the Late Holocene (ca. 13,000 years AP C14 to historical times). Techno-morphological studies, microwear analysis and experimental archaeology were applied to lithic materials of the Cueva Maripe and Piedra Museo sites. Similarities in the design and use of lithics during the different periods of occupation of the study sites were identified. This allowed us to determine the economic and symbolic aspects of the technological practices, and to formulate assumptions about the importance of the context of use of lithic technologies in the social organization of the groups that inhabited at the Central Plateau of Santa Cruz (Patagonia, Argentina).
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