IMHICIHU   13380
INSTITUTO MULTIDISCIPLINARIO DE HISTORIA Y CIENCIAS HUMANAS
Unidad Ejecutora - UE
artículos
Título:
Raw material circulation at broad scales in southern Patagonia (Argentina): The cases of the Chico and Santa Cruz River basins
Autor/es:
FRANCO, NORA VIVIANA; CIRIGLIANO, NATALIA; VETRISANO, LUCAS; AMBRÚSTOLO, PABLO
Revista:
QUATERNARY INTERNATIONAL
Editorial:
PERGAMON-ELSEVIER SCIENCE LTD
Referencias:
Lugar: Amsterdam; Año: 2015 vol. 375 p. 72 - 83
ISSN:
1040-6182
Resumen:
The purpose of this paper is to begin to understand human mobility through rock transport at different times in two areas with different environmental characteristics: the Southern Deseado Massif and the basaltic canyons north of the Santa Cruz River. We will focus on obsidian -which has a clear geochemical signature and an uneven distribution-. Additionally, we will use macroscopical information on siliceous rocks, which until the moment were only identified in northern spaces, although they may also be recovered randomly and in low frequencies in southern ones. During the initial peopling of the Southern Deseado Massif (ca. 10,800 14C yr BP), inhabitants were transporting black obsidian as well as a translucent chalcedony, probably as part of the individual gear. During the Late Holocene, the number of obsidian artifacts decreased in the Southern Deseado Massif, something which could be related to a better knowledge of the high-quality local lithic resources and/or to the existence of higher population densities. Obsidian artifacts are more abundant in the northern Santa Cruz River basin than in the southern Deseado Massif, suggesting the existence of a relationship with spaces located to the northwest, close to the obsidian source, as other lines of evidence suggest. In addition, the presence in the basaltic canyons of artifacts made from high-quality siliceous rocks, more abundant and predictable in northern spaces could also be the result of human movements following a north-south direction.