Abstract

PAL, Nélida. Contributions To The Study Of The Archaeological Integrity Of Laguna La Barrancosa 1 Site (Benito Juárez District, Buenos Aires Province): Textural And Spatial Analysis Of The Lithic Microdebitage. Intersecciones antropol. [online]. 2008, n.9, pp.59-75. ISSN 1850-373X.

In this paper the results obtained from microdebitage analysis of Laguna La Barrancosa 1 site are presented. The main objective is to contribute to the study of site integrity starting from the identification of the cultural and natural processes that took part in its formation. In order to fulfill this objective, the study of the spatial distribution and textural analysis of the microdebitage were carried out, subsequently combining them with stratigraphic and sedimentological approaches. The analysis of vertical distribution showed a scarce dispersion of lithic and bone materials without a strong distribution by size. However, the study of horizontal distribution allowed lithic concentrations in specific places of the site to be identified. The textural analysis of the lithic assemblage (microdebitage, macrodebitage and tools) proved that roots were the main agent affecting the lithic surfaces; edge and ridge rounding was also observed in the studied assemblages, probably as a result of cultural activities (e.g., platform preparation). Hence, these results suggest that natural formation processes would not have significantly affected the site integrity.

Keywords : Integrity; Site formation processes; Textural analysis; Microdebitage.

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