Conodont succession and biofacies in upper Frasnian formations (Devonian) from the southern and central parts of the Dinant Synclinorium (Belgium) - (Timing of facies shifting and correlation with late Frasnian events)
Bultynck, P.; Helsen, S.; Hayduckiewich, J. (1998). Conodont succession and biofacies in upper Frasnian formations (Devonian) from the southern and central parts of the Dinant Synclinorium (Belgium) - (Timing of facies shifting and correlation with late Frasnian events). Bull. Kon. Belg. Inst. Natuurwet. Aardwet. = Bull. - Inst. r. sci. nat. Belg., Sci. Terre 68: 25-75
In: Bulletin van het Koninklijk Belgisch Instituut voor Natuurwetenschappen. Aardwetenschappen = Bulletin de l'Institut Royal des Sciences Naturelles de Belgique. Sciences de la Terre. KBIN: Brussel. ISSN 0374-6291, meer
Early rhenana, Late rhenana and linguiformis Conodont Zones are recognised in the upper Frasnian Neuville, Valisettes and Matagne Formations of southern Belgium, and documented by their index-taxa. The age of the base of the Matagne Formation shifts from the Early and Late rhenana Zones in the southern Dinant Basin into the linguiformis Zone in the more northerly Philippeville Massif. In the first area conodont biofacies analyses reveal a deepening of the shelf below the base of the diachronic Matagne Formation; within the lower part Of the Matagne shales biofacies analyses indicate shallowing depositional conditions followed by a progressive deepening. The Lower Kellwasser Event is situated close to the base of the Matagne Formation in the southern part of the Dinant Synclinorium and at the base of the Valisettes Formation in the Philippeville Massif. The Upper Kellwasser Event is correlated with the base of the Matagne Formation in the latter area.
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