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Recent research on the Brabant Massif
Authors:Jacques Verniers  Walter De Vos
Institution:(1) Laboratory of Paleontology, Department of Geology and Pedology, Universiteit Gent, Krijgslaan 281, B-9000 Gent, Belgium;(2) Belgian Geological Survey, Jennerstraat 13, B-1040 Brussels, Belgium
Abstract:Summary The Brabant Massif is the southeastern part of the Caledonian fold belt known as the Anglo-Brabant Massif, which extends from East Anglia to central Belgium and is a major constituting part of the Eastern Avalonia microcontinent. Recent research in Lower Palaeozoic stratigraphy and in geophysical interpretation led to a new subcrop map of the Brabant Massif. Palaeogeographical analysis supports the rapid movement of this Massif to lower latitudes and towards Baltica in Ordovician times. Structurally, the Brabant Massif appears as a faulted antiform, flanked longitudinally to the southwest by a magmatic arc of late Ordovician to early Silurian age. An elongated gravity low points to concealed granitic intrusions below a part of the magmatic arc.
Keywords:Caledonian orogeny  Eastern Avalonia  palaeogeography  Lower Palaeozoic stratigraphy  magmatic arc  gravity low  aeromagnetism  subcrop map
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