Microscopic analysis of backed lithic pieces from the Uluzzian technocomplex (45-40kya) at the Grotta del Cavallo (southern Italy) reveals their use as mechanically delivered projectile weapons, attributed to Anatomically Modern Humans. Use-wear and residue analysis indicates the lithics were hunting armatures hafted with complex adhesives, while experimental and ethnographic comparison supports their use as projectiles. The use of projectiles conferred a hunting strategy with a higher impact energy and a potential subsistence advantage over other populations and species. Users may view, print, copy, and download text and data-mine the content in such documents, for the purposes of academic research, subject always to the full Conditions of use:
The Oscurusciuto rock shelter, located in southern Italy (Puglia), has yielded a long Middle Palaeolithic stratigraphy rich in lithic assemblages, fireplaces and faunal remains, attesting Neanderthal occupation during the MIS 3. This paper is focused on the stratigraphic unit 13, consisting of a sandy compact deposit mixed with pyroclastic sediment above a thick level of tephra-US 14, identified as Mt. Epomeo green tuff (dated Ar/Ar ~ 55 ka).\ud
Level 13 represents the first stable human occupation after the deposition of tephra. Our goal was to examine the lithic assemblage of this stratigraphic unit by means of an interdisciplinary approach (technology, RMU, refitting program) in order to identify the economic behaviour and technical strategies of Neanderthals occupying the stratigraphic unit 13 of Oscurusciuto.\ud
The technical strategies applied indicate fragmentation of the reduction processes, as well as probable events of importation and exportation of objects. The lithic material were introduced at different stages of manufacturing. Pieces were introduced in the form of rough objects (pebbles), as well as semi-finished items, and as finished tools. This fragmentation of the chaîne opératoire also demonstrate the palimpsest nature of the level which is made up of different events happening one after another.\ud
The main concept of debitage was Levallois, generally realized on local jasper and siliceous limestone pebbles or cortical flakes. Jasper and siliceous limestone flakes, backed flakes and convergent flakes were the technological objectives of the debitage. A marginal volumetric debitage aimed at producing bladelets was also attested
La Cala (southern Italy) is an important prehistoric cave site containing a clastic sedimentary infill recording evidence of an almost constant human occupation from the Mousterian to the Copper Age. However, a cultural gap (estimated to be approx. 10.5–6.2 ka) has been identified between the Evolved Gravettian and the Evolved Epigravettian. This study presents a sedimentological and allostratigraphic study of the cave clastic infill. The succession at La Cala can be subdivided into four allostratigraphic units (CC1–4 in stratigraphic order), each one bounded by major erosional surfaces. The most prominent erosional surface (UN1), which separates unit CC1 from CC2, has a channel‐like geometry and is directly overlaid by cross‐stratified sediments, suggesting deposition in an underground stream setting. This documents an important hydrological change in the cave drainage with the development of an important phase of sediment erosion. The erosional surface UN1 stratigraphically marks the cultural time‐gap revealed by the archaeological excavations, suggesting that this hiatus may be due to the erosion of sediments rather than to a lack in human occupation. This study confirms the importance of cave clastic sediments in archaeological cave sites as a helpful tool for refining the timeframe of human presence.
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