27 research outputs found

    The Belgian collections of fossil Cnidaria and Porifera

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    Le Givetien et le Frasnien du massif de la Vesdre : biostratigraphie et paléogéographie

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    Thèse de doctorat en sciences -- UCL, 197

    Sedimentologie, diagenese et stratigraphie des biohermes de marbre rouge de la partie superieure du Frasnien belge. Compte-rendu de la session extraordinaire des societes geologiques belges les 14 et 15 septembre 1990

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    A global view of the geology of "F2j' mud mounds from the upper part of the Belgian Frasnian is briefly presented. The paper deals successively with the stratigraphy and the sedimentology of the mounds and the paleogeographic evolution of the Frasnian ramp in relation with eustatism. Diagenetic evolution of buildups and enclosing rocks is also considered. A selection of sections from mound, peri-mound and off-mound environments is described in detail. -English summarySCOPUS: ar.jinfo:eu-repo/semantics/publishe

    Highlighting of the Marenne fault on the geological map Aye - Marche-en-Famenne

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    peer reviewedThe revision of the geological map Aye - Marche-en-Famenne (Belgium, Wallonia, Hotton) has emphasized an important deformation structure named the Marenne Fault. This fault is clearly visible at the southeastern face of the Marenne quarry. The dating by rugose corals has allowed to define with precision the Givetian lithologic units that have been put in contact by this normal faul with a later, right-lateral strike-slip component. This fault, that may be traced over a few kilometers to the East, is probably late Hercynian, of the same type and origin as the Lamsoul Fault know to the South of Marche-en-Famenne. It seems to form part of a family of faults which are regularly observed on the south side of the Dinant Synclinorium.Modernisation de la carte géologique de la Walloni

    Highlighting the Marenne fault on the new geological map "Aye - Marche-en-Famenne" (Belgium, Wallonia)

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    Revision of the geological map Aye-Marche (Belgium, Wallonia) has highlighted a major tectonic fault known as "Marenne fault". Its presence would explain the increased thickness of the Givetian limestones up to the valley of Ourthe river.Révision de la carte géologique de Wallonie - Recherche collective d'intérêt généra

    Les formations du DĂ©vonien moyen de la Belgique

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    0info:eu-repo/semantics/publishe

    Complexes récifaux et tectonique synsédimentaire dans le Givétien inférieur de Belgique

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    Communication et Abstract, p 126info:eu-repo/semantics/nonPublishe

    Sedimentologie et coraux du bioherme de marbre rouge frasnien (F2j) de Tapoumont (massif de Philippeville, Belgique)

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    Twelve microfacies range from sponge spicule mudstones to crinoidal, coral rudstones. Water agitation and light supply normally control the bioherm growth, but three environments do not follow the rule. Four lateral microfacies are studies. The bioherm geometry is discussed, and a weak sedimentary slope is proposed. -from English summarySCOPUS: ar.jinfo:eu-repo/semantics/publishe
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