La cueva Epullán Grande, provincia del Neuquén: Análisis de los artefactos líticos del Período Tardío (1100 AP - contacto)

the analyzed sector had a series of successive and brief occupations, not being possible to confirm its seasonality. there was ceramic from the base of the sedimentary pile. there, leathers were processed and pigments milled, as well as other non identified substances. sixty one lithic tools and 1292 knapping debris of the epullán grande antesala were analyzed. the dominant rock is the silica and they continue him the black vulcanites, the obsidian and others. the cortex type suggests the supply in a current of water, perhaps the limay river. the thinning biface index is high in lithic tools and debitage, probably for the introduction of the bow and arrow during the period. the projectile points are small and of arrow. the thinning biface index curve of the site is adjusted to the tendency observed in the region along the time.