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Mise en évidence de la Faille de Marenne sur la carte géologique Aye - Marche-en-Famenne = Highlighting of the Marenne Fault on the geological map Aye - Marche-en-Famenne
Barchy, L.; Coen-Aubert, M.; Marion, J.-M.; Coen, M. (2004). Mise en évidence de la Faille de Marenne sur la carte géologique Aye - Marche-en-Famenne = Highlighting of the Marenne Fault on the geological map Aye - Marche-en-Famenne. Bull. Kon. Belg. Inst. Natuurwet. Aardwet. = Bull. - Inst. r. sci. nat. Belg., Sci. Terre 74-suppl.: 59-71
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, more
Peer reviewed article  

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Keywords
Author keywords
    Belgium, Givetian, Rugose corals, Geological mapping, Faults

Authors  Top 
  • Barchy, L.
  • Coen-Aubert, M., more
  • Marion, J.-M., more
  • Coen, M.

Abstract
    The revision of the geological map Aye - Marche-en-Famenne has emphasized an important deformation structure that we have named the Marenne Fault. This fault is now clearly visible at the southeast face of the Marenne quarry. The dating by rugose corals has allowed us to define with precision the Givetian lithologic units which have been put in contact by this normal fault with a later, right-lateral strike-slip component. To the east, the Marenne Fault may be traced over a distance of 4 km, as far as the Ourthe valley, to the south of Hotton where its stratigraphic displacement is about 226 m. More generally, the Marenne Fault is probably late Hercynian, of the same type and origin as the Lamsoul Fault known 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.

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