This paper presents the results of the first studies of non-destructive chemical and physical spectroscopic methods (Raman) applied to lithic artifacts recovered from five archaeological sites in the Pleistocene/Holocene transition of the Pampas region (Argentina). The aim of this paper is to identify the adhesions/alterations recognized in lithic stone tools and to discuss the different agents and taphonomic processes (natural and cultural) that created them. The results show that different chemical compounds (e.g., manganese, carbonate, phosphate, mineral pigments, organic compound [resin], etc.), were adhered to the surface of lithic artifacts as a result of natural processes and past human behavior. Furthermore, results obtained allow an understanding of the taphonomic agents that acted in the formation processes of archaeological sites and to generate a frame of reference to act as a control for assessing the impact that the mineral chemical dissolution and the occasional past human activity in the regional archaeological record of the eastern Tandilia range system.

本文介绍了非破坏性化学和物理光谱方法 (拉曼) 的首次研究结果，该方法应用于从潘帕斯地区（阿根廷）更新世/全新世过渡的五个考古遗址中回收的石器文物。本文的目的是确定在石器工具中识别出的粘连/改变，并讨论创造它们的不同因素和埋藏过程（自然和文化）。结果表明，由于自然过程和过去的人类行为，不同的化合物（例如，锰、碳酸盐、磷酸盐、矿物颜料、有机化合物 [树脂] 等）粘附在石器制品的表面。此外，