In order to track diachronic changes in archaeological sequences, researchers typically partition time into stratigraphic layers defined during fieldwork, which serve as the framework for ensuing analyses. These analytical units have a significant impact on archaeological inference, defining its resolution, and influencing both the study of cultural assemblages and the reconstruction of past environments. However, field layers are seldom re-evaluated after excavation despite the fact that archaeological deposits are now commonly recognised as often containing material ‘mixed’ together by site formation processes, excavation techniques or analytical practices. Although the analysis of intra-site spatial data clearly offers a means to overcome these issues, our literature review of 192 journal articles revealed the potential of this data (notably vertical projections of piece-plotted artefacts) to be under-exploited in Prehistoric archaeology. Here we advocate for the development of a more spatially-informed framework for interpretation that we refer to as Post-Excavation Stratigraphies or PES. After proposing a definition for “PES”, we attempt to develop a framework for theoretical considerations underlying their implication, importance, and potential. Three main benefits of PES are highlighted: ensuring assemblage reliability, increased chronological and spatial resolution, and more reliable interpretations based on a multi-stratigraphic approach. We contend that the stratigraphy defined during fieldwork is insufficient and potentially misleading. By providing a different “stratigraphic view” of the same sequence, each specialist can contribute data that, when combined, produces a better understanding of interactions between changes in, for example, technological or cultural traditions, subsistence strategies, or paleoenvironments.
Discovered in 1986, La Grande Rivoire is a rockshelter located in the north of the prealpine mountain range of Vercors (Northern French Alps). It lies at 580 m asl, on the west side of the Furon valley, at the foot of a cliff. The 6-m stratigraphy reveals a continuous chronocultural sequence starting from the First Mesolithic to the Gallo-Roman period. The present communication aims at characterizing the earliest occupation of the site attributed to the First Mesolithic (ca. 8500–7000 cal. BC). The new multidisciplinary data are intended to contribute to the understanding of the regional chronocultural evolution. The deposits are constituted of very rich organic materials, possibly resulting from the degradation and combustion of plant litters. Their natural and/or anthropogenic origin still remains unclear. The excellent state of preservation of the faunal remains (superficially covered of an ashy encrustation) and the bone refittings would indicate a low post-depositional impact on the faunal material in this sector. The highly intentionally fragmented long bone remains indicate (intensive?) carcass exploitation of various large game species, among which red deer seems to predominate. Plant remains analysis gives also information on wild picking products, especially hazelnuts. Osseous material industry is dominated by waste products occurring from sectioning action of red deer antler by notching. Few examples of bone and tooth working highlight the use of removal by diffuse percussion during shaping. Preliminary observations conducted on the lithic assemblages show that domestic tools are mostly manufactured on local raw materials of poor quality. Exogenous raw materials of better quality are mainly used for the fabrication of microliths using the microburin technique; the latter tending to disappear at the end of the sequence. Usewear analysis on arrowheads shows that triangles are present throughout the sequence and always hafted as barbs while Sauveterre points and segments are only present in the oldest decapages
Au cours des 50 dernières années, les recherches archéologiques sur le Mésolithique dans les Alpes françaises du Nord ont connu un essor considérable : un premier cadre chronoculturel a été établi sur la base de séquences stratifiées de gisements en grotte ou abri et de nombreuses stations de plein air ont été découvertes dans les zones d’altitude. La réflexion sur les modalités et les schémas d’occupation des secteurs de montagnes a ainsi pu être amorcée, mais elle a été freinée par l’imprécision des contextes stratigraphiques de découverte et par le manque d’études abouties sur les industries lithiques. Depuis quelques années, la reprise des fouilles sur le gisement de la Grande Rivoire (Sassenage, Isère) permet d’aborder la question sous un angle nouveau. Situé dans le nord du massif du Vercors, à 580 m d’altitude, cet abri-sous-roche livre une nouvelle séquence chronoculturelle de référence pour le Premier et le Second Mésolithique. L’analyse spatiale de la répartition des vestiges anthropiques a conduit à individualiser en stratigraphie huit ensembles mésolithiques distincts. Sur la base de nouvelles datations radiocarbones et de l’étude typotechnologique de 12 500 artéfacts lithiques, ces ensembles définissent aujourd’hui cinq phases chronologiques (entre 8450 et 6050 Cal. BC), trois pour le Premier Mésolithique et deux pour le Second Mésolithique. Ces résultats permettent de renouveler le cadre évolutif du Mésolithique régional et en particulier de cerner au demi-siècle près la phase de rupture entre les dernières industries à microlithes sur lamelles étroites et les premières pièces géométriques à bitroncatures sur lamelles larges.
Located on the “ Hauts plateaux”, a large area selected as a natural reserve in the center of the “ Parc naturel régional du Vercors”, the “ Pré Peyret 1 and 2” mesolithic settlements have been discovered in 1998 by Regis Picavet and Sébastien Bernard-Guelle, during an archeological survey sponsored by the natural Park. During the year 1999, several survey tests were realized, revealing us an important mesolithic occupation. During the years 2007-2008, two archeological excavation campaigns have been organized at the “ Pré Peyret 1” settlement, located on a tiny hill, directed by Régis Picavet. Twenty square meters have been excavated and the numerous lithic artifacts have been assigned to the first and second Mesolithic cultures. These conditions allow a palethnographic approach, which yet remains incomplete. The “ Pré Peyret 1” settlements belong to a large series of human occupations in altitude already known on the “ Hauts Plateaux” area and more generally in the alpine world, participating at a seasonal system of mountain attendance. Interrelations may be founded with the “ Grande Rivoire” (580 m asl.), mesolithic settlements giving us lots of cultural and archeobiological informations which are missing in open air sites.
Based on observations reported by firefighters professionals about possible failures with Rescue Victims Handling Equipment (RVHE) basket stretch, were decided to carry out a detailed study in order to obtain the ideal equipment for rescue of victims in occurrences.Through the institutional Collaborative Learning Object (CLO) method, were possible to illustrateth at the actofim provingevery one in terms of safety is in conditionof a new operational equipment. The considerations suggest that there placement of the conventional (RVHE) basket stretch by a stain less steel or titanium type, as well as the standard ization of the head board mooring in the liftby means of POP. Concluded, there fore, that the use of stain less steel (RVHE) baskets tretch and the standardization in the corporation are actions tha treducerisks to victims, to professional swho work in rescue activity, as well as in the solution of institutional problems in this area.
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