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Article Reference Opération de fouilles archéologiques à l'Abbaye du Val des Ecoliers (Mons) : résultats préliminaires
Entre les mois de mars et de juillet 2021, une opération de fouilles archéologiques préventives s'est déroulée sur une parcelle située à l'emplacement de l'ancienne abbaye du Val des Écoliers, dans le centre-ville de Mons. Ces fouilles, imposées à l'aménageur par l'AWaP, ont été motivées par le bon état de conservation des vestiges en sous-sol et par la menace que faisait peser sur eux la construction d'un immeuble de bureaux doté d'un parking de deux étages en souterrain. En raison de la cohabitation entre les aménageurs et les archéologues, la zone de fouille a été limitée à une bande de terrain d'environ 60 m sur 12 m, située le long de la rue André Masquelier. Cette emprise a été déterminée en se basant sur les copies d'un plan du xviiie siècle, avec pour objectif de fouiller la majorité des vestiges bâtis de l'abbaye conservés dans la parcelle. Les bonnes relations entretenues avec les équipes de construction permirent d'enregistrer ponctuellement des informations supplémentaires dans le reste de la parcelle. L'opération archéologique, confiée via une procédure de marché public à l'asbl Recherches et Prospections archéologiques (RPA) s'est déroulée en deux phases. La première, de la fin du mois de mars au début du mois de mai, a entraîné la mise au jour d'une partie de la galerie méridionale du cloître, d'une partie du réfectoire, d'une partie de la cuisine et de pièces qui y sont liées, et la découverte de divers espaces de circulation et de niveaux correspondants à des espaces ouverts, comme le préau du cloître et des jardins. Les délais prévus ont imposé une fouille partielle, en sondage, de ces espaces. La superposition de multiples niveaux de sols et la mise établi que cette partie des bâtiments de l'abbaye a été occupée et transformée entre le xive et le xixe siècles. La présence de sépultures médiévales bien conservées dans la galerie du cloître a motivé de nouvelles négociations entre l'AWaP et les aménageurs, au terme desquelles il a été décidé de fouiller l'intégralité de la zone du cloître jusqu'au retrait de la totalité des sépultures. La seconde phase de l'opération s'est alors déroulée, entre le début du mois de mai et la fin du mois de juillet. Elle a consisté à décaper le prolongement de la galerie méridionale et une partie de la galerie orientale du cloître, à enregistrer les vestiges bâtis dans cette zone et à fouiller les sépultures, superposées sur plusieurs niveaux. Pour ce faire, l'équipe a été renforcée d'anthropologues de l'asbl RPA et de l'Institut des Sciences naturelles de Belgique afin de procéder dès le terrain à l'enregistrement des données archéothanatologiques et biologiques. Les galeries du cloître ont livré 54 sépultures contenant des cercueils de bois. Ces derniers sont généralement faits de planches clouées sur un fond de plan trapézoïdal et sont dotés d'un couvercle plat ou en bâtière. Les défunts ont été inhumés en décubitus dorsal, les jambes allongées, les bras le long du corps avec, la plupart du temps, les avant-bras croisés sur le ventre ou sur le bassin. L'état de conservation, assez exceptionnel, ainsi que l'analyse taphonomique ont permis d'aller plus loin dans la caractérisation des pratiques funéraires, avec la présence de litières de paille, de coussins céphaliques, d'éléments vestimentaires et de restes de chaussures en cuir. Une première analyse du recrutement montre que cet espace d'inhumation était avant tout réservé aux adultes, puisqu'il n'y a pas d'enfant et seulement deux ou trois adolescents. Si les hommes sont plus nombreux (21), les femmes sont également bien représentées (10). L'étude de la stratigraphie du cloître et l'expertise de la céramique indiquent que les sépultures seraient surtout datées des xive et xve siècles. Cette datation est soutenue par la typologie des cercueils et les modalités d'inhumation.
Located in Library / RBINS Staff Publications 2022
Conference Reference Operational oceanographic products for the Belgian scientific community.
Located in Library / RBINS Staff Publications
Inproceedings Reference Opportunities for a CO2-enhanced oil recovery project in the North Sea: analysis of profitability and environmental impact
Located in Library / No RBINS Staff publications
Inproceedings Reference Optical remote sensing in support of eutrophication monitoring in Belgian waters
Located in Library / RBINS Staff Publications
Inproceedings Reference Optical remote sensing of coastal waters from geostationary platforms: a feasibility study
Located in Library / RBINS Staff Publications
Inproceedings Reference Optimal geodata centralization and disclosure as support for subsurface exploration
It is widely known that the subsurface will play a crucial role in the transition towards a carbon-neutral society, with the aid of technologies like geothermal energy, CO2-storage, .... Nevertheless, still a lot of aspects concerning the subsurface, its structure and characteristics remain to be investigated to facilitate the use of underground space in an efficient and safe way. In-depth investigation of the subsurface with conventional techniques such as seismic campaigns or drillings requires high investments, and it is not always straightforward to determine the success-rate upfront. This leads to geodata collections typically displaying a large variety and scatter, both concerning data (type) availability and in spatial distribution. Additionally, incorporating subsurface knowledge from neighboring countries often is challenging, but at the same time indispensable to increase understanding of the own subsurface, not least because some projects may display cross-border influences. It is clear that subsurface exploration benefits from a cross-border and cross-thematic data collection and interpretation approach. One way to organize such data centralization was explored in the framework of the European Horizon2020-project GeoConnect³d, by means of constructing a Structural Framework (SF) and a database of Geomanifestations (GM) for several pilot study areas. The Structural Framework defines geological units by its limits (e.g., faults, terrane boundaries, ...). All known limits and associated parameters are structured in a uniform and inter-connected way. Furthermore, the SF is designed on multiple zoom-levels, hence it can serve as a real backbone to integrate multiple other subsurface models of various scale and resolution together. Geomanifestations are anomalous observations covering a wide range of geo-disciplines, including —but not limited to— temperature, geochemistry, mineralogy and even geophysics data. Such irregularities are too often excluded or ignored in view of the larger cloud of ‘normal’ datapoints. Nevertheless, precisely these anomalies can be of great value for identifying subsurface processes and serve as an excellent pathway for communication to non-experts, and also as guideline for further research. In addition to GIS- and attribute-information, Factsheets summarize the relations between individual geomanifestations, and, if applicable, their connection to the Structural Framework. Especially the latter, the combination of the (independent) elements SF and GM, gives a powerful tool that allows exploring the subsurface in an original and cost-efficient way. The newly gained insights can be directly linked and are extremely relevant to the use of the subsurface, either as storage space or as renewable/green energy-source. But it goes further than that. The overall usability of the SF and GM database is far more fundamental, as it gives innovative clues about characteristics and processes at play in the subsurface, such as fault permeability and connectivity, the presence of advection cells in the upper crust, or gas origin and migration pathways. To quote just one example; in the area of Spa, Belgium, elevated 3He/4He-ratios were analyzed (Griesshaber et al., 1992), a parameter that can highlight mantle gas contribution in gas seeps (White, 2013). This observation was unexpected given the far distance from any volcanic activity, but suggests the presence of deep-seated, transcrustal faults and/or a large-distance connectivity till the Eifel area where mantle-derived magma was involved in recent volcanism. When indirect indications like this are not considered further, such valuable subsurface knowledge is easily overlooked and not at all taken into account for investigating in more detail in the future. Even when limited resources or funding is available, the above-illustrated SF+GM approach can shed new light on properties and processes of the subsurface, given its novel and multidisciplinary approach. An inherent drawback, however, is that such a database is never complete and includes information from a variety of sources. Not only does this demands careful consideration on which data is included (or not), it also has to be taken into account for future database expansion as well as for data interpretation. Simple visualizations on a map without further (geological) background, e.g., combining both surface and at depth data as is the case for Wiesbaden, Germany (Mittelbach & Siebert, 2014), may lead to false conclusions. However, the provided Factsheets and metadata can help in this. Furthermore, at this moment, a large proportion of the entries depends on the availability of literature data, which implies some data source bias is unavoidable. For example, CO2-data typically is measured for springs and streams, while dry CO2-seeps easier remain unnoticed and therefore are reported less consistently. New data collection campaigns, possibly including bio-indicators like plants or ants (e.g., Berberich & Schreiber, 2013), can provide a good starting point for this. The uniform and well-designed structure of the database allows very easy expansion, be it for newly discovered faults, additional geomanifestation types, or parameter updates of either part. In addition, as demonstrated in the GeoConnect³d project, the SF+GM approach is fully transferable to other study areas. This clears the way for a cost-efficient cross-border exploration of the subsurface with wins for both the academic world and common public (geoheritage, education, ...), and significantly contributes to a more data-supported outline for subsurface management. This project has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No 731166. References Berberich, G., & Schreiber, U., 2013. GeoBioScience: Red Wood Ants as Bioindicators for Active Tectonic Fault Systems in the West Eifel (Germany). Animals, 3, 475-498. Griesshaber, E., O'Nions, R.K. & Oxburg, E.R., 1992. Helium and carbon isotope systematics in crustal fluids from the Eifel, the Rhine Graben and Black Forest, F.R.G. Chemical Geology, 99, 213-235. Mittelbach, G. & Siebert, S., 2014. Gutachten zur Festsetzung eines Heilquellenschutzgebietes für die Heilquellen (Große und Kleine Adlerquelle, Schützenhofquelle, Kochbrunnen, Salmquelle und Faulbrunnen) von Wiesbaden, Stadt Wiesbaden (WSG-ID 414-005), Wiesbaden, pp. 1-52. White, W.M., 2013. Chapter 12: Noble Gas Isotope Geochemistry, Isotope Geochemistry course notes. Cornell University.
Located in Library / RBINS Staff Publications 2021 OA
Techreport Reference Optimizing phytoplankton time series analysis in the North Sea in support of trophic synchronization studies of sole larvae. Poster presented at the "The Future of Oparational Oceanography 2013 (FUTOORE)" Hamburg, 8 - 10 October 2013
Located in Library / RBINS Staff Publications
Inproceedings Reference Orbitally forced sequences in the Lower Carboniferous and the onset of Carboniferous glaciations at the Tournaisian-Viséan boundary
Located in Library / No RBINS Staff publications
Article Reference Orbitally forced sequences and climate reconstruction around the Devonian–Carboniferous boundary, and the Hangenberg Extinction Event
Located in Library / RBINS Staff Publications
Inproceedings Reference Ordinary Chondrite classification by Raman Spectroscopy
Located in Library / RBINS Staff Publications