Bifaces or not bifaces? Role of raw materials in the Middle Pleistocene. The example of levels E-E1, B and F (610–670 ka) at Notarchirico (Italy)
Résumé
Notarchirico is the earliest Acheulean Italian site. On account of the wide variety of artefacts (cores, flakes,
pebble tools and bifaces for some levels) and raw materials, it is also a key site for analysing behavioural
variability in the Acheulean record before 600 ka, and for investigating the significance of occupation levels with
and without bifaces. In this paper, we focus on the upper part of the sequence, which was excavated by M.
Piperno in the 1980s and recently securely dated between 610 and 670 ka by 40Ar/39Ar. The deposits of
Notarchirico consist of a superimposition of sandy and silty sediments, with more or less intense occupation
levels interspersed with sterile layers. Here we present the technological analysis of the lithic assemblages of
three paleosurfaces, F, E/E1 and B. The lithic corpus from levels F and B yielded some bifaces, whereas no bifaces
were found in levels E/E1, where artefacts are mainly on small flint nodules and small limestone pebbles.
Technological strategies are described in the three levels, in particular previously unpublished core technologies,
and compared to the rest of the site sequence and to comparable Southern European sites. We present the
different hominin strategies, their modes of adaptation to diverse types and geometries of raw materials and the
concomitant cultural shifts and discussed by this way the role of activities and traditions
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