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Search publications of the members of the Royal Belgian institute of natural Sciences

Article Reference Paleoclimate in continental northwestern Europe during the Eemian and early Weichselian (125-97 ka): Insights from a Belgian speleothem
Article Reference Pascal source code A 500-year seasonally resolved δ<sup>18</sup>O and δ<sup>13</sup>C, layer thickness and calcite aspect record from a speleothem deposited in the Han-sur-Lesse cave, Belgium
Article Reference Contribution of an accurate growth rate reconstruction of a stalagmite from the kanaan cave-lebanon to the understanding of humidity variations in the levant during the MIS 5
Article Reference Lead concentrations and isotope ratios in speleothems as proxies for atmospheric metal pollution since the industrial revolution
Article Reference Niphargus: A silicon band-gap sensor temperature logger for high-precision environmental monitoring
Article Reference Pascal source code Paleoclimate reconstruction in the Levant region from the petrography and the geochemistry of a MIS 5 stalagmite from the Kanaan Cave, Lebanon
Article Reference Reconstruction of MIS 5 climate in the central Levant using a stalagmite from Kanaan Cave, Lebanon
Article Reference Sequence of events from the onset to the demise of the Last Interglacial: Evaluating strengths and limitations of chronologies used in climatic archives
Article Reference The climate variability in northern Levant over the past 20,000 years
Article Reference D source code Late-glacial and holocene climate reconstruction as inferred from a stalagmite - grotte du Père Noël, Han-sur-Lesse, Belgium
Article Reference D source code Monitoring of a fast-growing speleothem site from the Han-sur-Lesse cave, Belgium, indicates equilibrium deposition of the seasonal &amp;delta;18O and &amp;delta;13C signals in the calcite
Article Reference D source code Mid- to late Holocene Indian Ocean Monsoon variability recorded in four speleothems from Socotra Island, Yemen
Article Reference Monitoring climatological, hydrological and geochemical parameters in the Père Noël cave (Belgium): Implication for the interpretation of speleothem isotopic and geochemical time-series
Article Reference Paleoclimate reconstruction in the Levant region from the geochemistry of a Holocene stalagmite from the Jeita cave, Lebanon
Article Reference Water release patterns of heated speleothem calcite and hydrogen isotope composition of fluid inclusions
Article Reference D source code Geochemistry of sclerosponges and bivalves
Article Reference D source code Mg, Sr and Sr isotope geochemistry of a Belgian Holocene speleothem: Implications for paleoclimate reconstructions
Article Reference C header Calculation of past dead carbon proportion and variability by the comparison of AMS <sup>14</sup>C and TIMS U/Th ages on two Holocene stalagmites
Article Reference Holocene climate variability in Europe: Evidence from ?<sup>18</sup>O, textural and extension-rate variations in three speleothems
Article Reference Un outil néolithique en contexte gallo-romain ? Biographie de la petite hache polie en omphacitite de Roly « La Crayellerie » (comm. de Philippeville, Prov. de Namur, BE)
Errera M., Cattelain P., Jadin I. & Pétrequin P., 2020. Un outil néolithique en contexte gallo-romain ? Biographie de la petite hache polie en omphacitite de Roly « La Crayellerie » (comm. de Philippeville, Prov. de Namur, BE). Notae Praehistoricae, 40/2020 : 181-193. / Abstract. The small polished omphacitite axe from Roly “La Crayellerie” (Philippeville Municipality, Prov. of Namur, BE) was found in the foundation of the eastern wall of the south-western hypocaust of a Gallo-Roman “villa”. Its classic description points out that the present size of the object suggests an axe originally a little longer, broken flush with the shaft of a deer antler sheath. This wide trapezoidal axe with a wide butt, carefully polished, is then the subject of typological comparisons and dating, which make it possible to place it at the end of the period of circulation of the alpine jade axes, in the 4th-3rd millennium. Spectroradiometric circulation of the raw material pinpoint its origin in the Bulè and Porco valleys, and more generally in the southern foothills of the Mount Viso massif (Piedmont, Italy) or in the morainic deposits closer to the upper Po valley. During successive exchanges, the small axe from Roly crossed the Alps, the Savoie, the Saône valley and the Paris basin to reach the current territory of Belgium, 650 km as the crow flies. These “alpine jades” were valued for their tenacity and their exceptional resistance as a clearing or woodworking tool and are in fact part of a general movement of the most tenacious, the rarest and the most luminous rocks, from the Mont Viso massif towards North-Western Europe, in the context of unequal/inegaliterian societies. However, Roly’s axe does not stop in the 3rd millennium. It was again picked up from a Neolithic site in the Roman period for another purpose, potter’s tool or ironing smoother, before it was finally abandoned at the end of the 2nd century AD... Keywords: Roly “La Crayellerie”, Philippeville Municipality, Prov. of Namur (BE), stone axe, jadeite, omphacite, eclogite, Mont Viso massif (Piedmont, IT), long-distance exchanges, Neolithic and Chalcolithic, technical signification, social signification, ideological signification, Roman period, end from the 2nd century AD. / Résumé. La petite hache polie en omphacitite de Roly « La Crayellerie » (comm. de Philippeville, Prov. de Namur, BE) a été retrouvée dans les fondations d’un mur de l’hypocauste d’une villa gallo-romaine. Après une description classique, on relève qu’une cassure à talon suggère une hache à l’origine un peu plus longue, brisée au ras de l’emmanchement d’une gaine en bois de cerf. Cette hache trapézoïdale large à talon rectiligne, au poli soigné, fait ensuite l’objet de comparaisons typologiques et de datations qui permettent de l’attribuer à la fin de la période de la circulation des haches en jades alpins, au 4e-3e millénaire. Les analyses spectroradiométriques de la matière première montrent la provenance des vallons du Bulè et de Porco, plus généralement aux avant-monts méridionaux du massif du Mont Viso (Piémont, Italie) ou aux dépôts morainiques plus proches de la haute vallée du Pô. Au cours d’échanges successifs, la petite hache de Roly a franchi les Alpes, traversé la Savoie, la vallée de la Saône et le Bassin parisien pour gagner l’actuel territoire de la Belgique, à 650 km à vol d’oiseau. Ces « jades alpins » étaient valorisés par leur ténacité et leur résistance exceptionnelle en tant qu’outil de défrichement ou de travail du bois et s’inscrivent en fait dans un mouvement général des roches les plus tenaces, les plus rares et les plus lumineuses, depuis le massif du Mont Viso en direction de l’Europe nord-occidentale, dans le contexte de sociétés inégalitaires. Cependant, la hache de Roly ne s’arrête pas au 3e millénaire. Elle a été à nouveau récoltée sur un site néolithique à l’Époque romaine pour une autre destination, esthèques de potier ou lissoir à repasser, avant un ultime abandon de la fin du IIe siècle après notre ère… Mots-clés : Roly « La Crayellerie », commune de Philippeville, Prov. de Namur (BE), hache polie, jadéitite, omphacitite, éclogite, massif du Mont Viso (Piémont, IT), échanges à longue distance, Néolithique et Chalcolithique, signification technique, sociale et idéologique, Époque romaine, fin du IIe siècle PCN.
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