%0 Journal Article %T El ¨¢rea de abastecimiento de las ortocuarcitas del grupo Sierras Bayas y las posibles t¨¦cnicas para su obtenci¨®n entre los cazadores y recolectores pampeanos %A Colombo %A Mariano %J Intersecciones en antropolog£¿-a %D 2011 %I Scientific Electronic Library Online %X this paper presents the results of investigations carried out in the mid-south tandilia mountain range, between the towns of san manuel (lober¨ªa district) and barker (b. ju¨¢rez district). the archaeological research was focused on understanding the ways in which pampean hunters-gatherers obtained raw material in the study area, especially in relation to the sierras bayas group ortho quarzites. based on a series of systematic surveys, including analyses at various scales, evidence shows that the area of raw material procurement is significantly larger than was previously considered. in addition, possible new procurement modalities, previously unknown in the region, were identified. %K procurement %K raw material %K quarries and workshops %K mid-south tandilia. %U http://www.scielo.org.ar/scielo.php?script=sci_abstract&pid=S1850-373X2011000200001&lng=en&nrm=iso&tlng=en