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Article Reference A vertebra of a small species of Pachycetus from the North Sea and its inner structure and vascularity compared with other basilosaurid vertebrae from the same site
Located in Library / RBINS Staff Publications 2023
Article Reference Limits of calcium isotopes diagenesis in fossil bone and enamel
Diagenesis has been recognized for decades to significantly alter the trace elements biogenic signatures in fossil tooth enamel and bone that are routinely used for paleobiological and paleoenvironmental reconstructions. This signature is modified during diagenesis according to a complex continuum between two main processes, addition and substitution. For an additive-like, or early diagenesis, the trace elements biogenic profiles can be restored by leaching secondary minerals, but this technique is inefficient for a substitutive-like, or extensive diagenesis for which secondary trace elements are incorporated into the biogenic mineral. This scheme is however unclear for Ca, the major cation in tooth enamel and bone hydroxylapatite, whose stable isotope composition (δ44/42Ca) also conveys biological and environmental information. We present a suite of leaching experiments for monitoring δ44/42Ca values in artificial and natural fossil enamel and bone from different settings. The results show that enamel δ44/42Ca values are insensitive to an additive-like diagenesis that involves the formation of secondary Ca- carbonate mineral phases, while bone shows a consistent offset toward 44Ca-enriched values, that can be restored to the biogenic baseline by a leaching procedure. In the context of a substitutive-like diagenesis, bone exhibits constant δ44/42Ca values, insensitive to leaching, and shows a REE pattern symptomatic of extensive diagenesis. Such a REE pattern can be observed in fossil enamel for which δ44/42Ca values are still fluctuating and follow a trophic pattern. We conclude that Ca isotopes in fossil enamel are probably not prone to extensive diagenesis and argue that this immunity is due to the very low porosity of enamel that cannot accommodate enough secondary minerals to significantly modify the isotopic composition of the enamel Ca pool.
Located in Library / RBINS Staff Publications 2023
Article Reference SARS-CoV-2 Infection in Captive Hippos (Hippopotamus amphibius), Belgium
Located in Library / RBINS Staff Publications 2023 OA
Article Reference Subspecific rodent taxa as the relevant host taxonomic level for mammarenavirus host specificity
Located in Library / RBINS Staff Publications 2023 OA
Article Reference Rome à la campagne : les décors en pierre de la villa de la Grande Boussue à Nouvelles (Mons, Belgique).
Located in Library / RBINS Staff Publications 2023
Article Reference Contribution to the history of roofing slate in Southern Brabant: a methodological approach from the Brussels case study (Belgium).
Roof coverings are crucial elements in the architectural design of any building, from the most rudimentary to the most elaborate, because of the protection against weathering they offer to the buildings. Despite its important role, it remains many gaps or grey areas in our historical and technical knowledge of this stony materials used to make them. In north-western Europe, although roof tiles seem to have attracted the attention of researchers in France, Germany, the Netherlands and Great Britain, it must be said that slate did not benefit from the same interest. In Belgium as well roofing using slate has not been the subject of particular attention for periods r anging from the late medieval period to the 18th century. Situated at the crossroads of archaeology, archaeometry and history, this study aims to take stock of the use of this material in the southern part of the former Duchy of Brabant and more particularly in the Brussels Region. The available bibliography, archival sources and data from the geological analysis of samples from archaeological excavations will be mobilised to address several key questions: the goeographical origin of the roofing slates and, therefore, their transport – the Brussels Region is devoid of slate deposits and is dependent on import trade routes for its supply; the particular uses of slate (social groups, types of building); the question of the organisation of the slate roofers’ trade; the question of costs in relation to other raw material, tiles in particular; and finally, special attention will be paid to the various implementations observed in situ. This last approach will include a reflection on the diverted uses of this stony material in other types of structural work. In short, this contribution will seek to characterise the roofing slate in the history of construction in Brabant and Brussels and will resonate with a major ongoing research project dedicated to the evolution of the Brussels roof frames.
Located in Library / RBINS Staff Publications 2023
Article Reference Provenance analysis of the natural stones in funerary monuments from the western part of the civitas Treverorum.
Located in Library / RBINS Staff Publications 2023
Article Reference Rome à la campagne : les décors de marbre de la villa de la Grande Boussue à Nouvelles (Mons, Belgique).
Located in Library / RBINS Staff Publications 2023
Article Reference On a new tribe, genus and species of Cypricercinae McKenzie, 1971 (Crustacea, Ostracoda, Cyprididae) from New Caledonia (Pacific Ocean)
The New Caledonian Archipelago is a hot spot for biodiversity and endemism. Here, we describe Lithocypris peyia gen. et spec. nov. Martens, Almeida & Higuti from a single locality (a lithotelma, or rockpool) on “Grande Terre”, the main island of the archipelago. The new genus belongs to the subfamily Cypricercinae and to the new tribe Lithocypridini trib. nov. based on the absence of a groove and anterior inner lists in the left valve, on several aspects of the chaetotaxy, of the prehensile palps and of the hemipenis, and on the fact that the Triebel’s Loop is situated in the dorsal branch of the attachment of the caudal ramus. Lithocypris gen. nov. can further be distinguished from the other genera in the subfamily by a combination of features: carapace elongated in lateral view and narrow in dorsal view, left valve with a weak ventral and posterior inner list only, antennule with both Wouters and Rome organs, maxillula with elongated and rectangular second palp segment and very short sideways directed bristles, first thoracopod with setae a, b and d present and with female palp short and plump, second thoracopod with setae d1 and d2 very short, third thoracopod with seta f missing and Zenker organ with a crown.
Located in Library / RBINS Staff Publications 2023
Article Reference Preface: Homage to Henri J. F. Dumont: a life in science
Located in Library / RBINS Staff Publications 2023