The variscan front and the midi fault between the channel and the meuse river
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Cited by (40)
The Stavelot-Venn Massif (Ardenne, Belgium), a rift shoulder basin ripped off the West African craton: Cartography, stratigraphy, sedimentology, new U-Pb on zircon ages, geochemistry and Nd isotopes evidence
2020, Earth-Science ReviewsCitation Excerpt :Although separated by a main thrust (Midi-Aachen thrust fault; Fig. 1), the Lower Paleozoic sediments of the Brabant Massif (BM) and the Ardenne Allochthon, here represented by its main inlier, the Stavelot-Venn Massif (SVM) can be considered to have been close during their deposition (Cambrian to Silurian). Indeed, the Variscan northerly movement along this thrust is estimated between 40 and 120 km based on ECORS data in western Ardenne allochthon (Raoult and Melliez, 1987; Lacquement et al., 1999) but less to the east (20-30 km; Adams and Vandenberghe, 1999) and even probably 10-15 km at the extreme east, close to SVM (Hance et al., 1999). As shown above (§3.2), during the Megasequence 1 (525-480 Ma), the depositional environment is very similar in the SVM and BM basins although their subsidence curves are much contrasted (> 9000 m in BM, > 2100 m in SVM; Fig. 4).
Strategy for ranking potential CO<inf>2</inf> storage reservoirs: A case study for Belgium
2013, International Journal of Greenhouse Gas ControlCitation Excerpt :Sedimentation on the southern flank started earlier and is more continuous than on the northern flank (Langenaeker, 2000). Because of the progradation of the Variscan orogenic front and subsequent shallowing of the sedimentary environment, these deposits end with a thick (up to 3000 m) succession of Upper-Carboniferous coal sequences (Raoult and Meilliez, 1987). Towards the end of the Variscan orogenic phase the northward progradation of the Ardenne Allochton, consisting of several Cambrian to Ordovician inliers that are surrounded by Devonian and Carboniferous deposits, and the Variscan thrust front squeezes these Devonian and Carboniferous deposits between the Ardenne Allochton and the London-Brabant Massif creating the Namur parautochton (Fig. 1).
A two-stage exhumation in Western French Massif Central: New geochronological evidences of syn-collisional extension
2013, LithosCitation Excerpt :Therefore, we suggest that this cooling reflects the onset of syn-collisional extension, associated with widespread crustal melting, developed during Late Visean times at the scale of the internal parts of the Variscan belt: in the Limousin area (Faure and Pons, 1991, and this study), the Sioule and Brevenne areas (Faure et al., 2002), and the Vosges area (Rey et al., 1991–1992). At the same time, the external zones are still in compression, such as the Montagne Noire on the southern foreland (Maluski et al., 1991) and the Ardennes on the northern foreland (Raoult and Meilliez, 1987). It is worth noting that wrench and normal fault tectonics are not incompatible in the inner zone of an orogen.
CO<inf>2</inf> storage opportunities in Belgium
2011, Energy ProcediaInterpretation of the meridional seismic profile through the Ardennes Massif, northern France
1999, Comptes Rendus de l'Academie de Sciences - Serie IIa: Sciences de la Terre et des Planetes
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Professor Raoult died on 8 February 1987.