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Con el objetivo de ampliar el conocimiento de la tecnolog i a l i tica asignable al Holoceno medio, en este art i culo se presenta un an a lisis comparativo de dos conjuntos recuperados en posicion estratigrafica, ambos depositados en un paleoacantilado de la costa atl a ntica de Tierra del Fuego: La Arcillosa 2, fechado entre 3690 ± 70 y 4440 ± 60 ARCP, y R i o Chico 1, datado entre 4476 ± 43 y 5828 ± 46 ARCP. Son concheros de limitada extensi o n y escasa concentraci o n, que representan ocupaciones breves y contienen material l i tico y faun i stico; por debajo del conchero de La Arcillosa 2 se verific o un evento de inhumaci o n. La informaci o n aqu i presentada contempla aspectos tecnomorfol o gicos, buscando con ello caracterizar los distintos contextos en el marco de las evidencias conocidas a nivel regional para este per i odo. Los resultados apuntan a obtener una caracterizaci o n general de los conjuntos l i ticos asignables a dicha cronolog i a. Palabras clave: cazadores-recolectores; concheros; tecnologia litica; Holoceno medio; estepa fueguina Technomorphological characterization of two lithic assemblages of the middle Holocene in the Fuegian Steppe: La Arcillosa 2 and Rio Chico 1 Abstract This contribution presents a comparative analysis between two lithic assemblages coming from stratigraphy, with the main goal of improving the knowledge of the lithic artifacts assigned to middle Holocene. Both assemblages come from small shellmiddens deposited in a paleocliff of the Atlantic coast; they are scarcely concentrated and represent short occupations where faunal (vertebrates and invertebrates) and lithic materials are associated. In one of these sites (LA2), a human skeleton was buried below the shell midden. Data herein presented describes technomorphological aspects. This study looks for the characterization of different lithic assemblages at a regional level in the framework of the known evidence for the middle Holocene. Key words: hunter-gatherers; shellmiddens; lithic technology; middle Holocene; Fuegian steppe

Caracterización tecnomorfológica de dos conjuntos líticos del Holoceno medio en la Estepa Fueguina: La Arcillosa 2 y Río Chico 1