Title: Arcuate fold and cleavage patterns in the southeastern part of the Anglo-Brabant Fold Belt (Belgium): tectonic implications
Authors: Sintubin, Manuel # ×
Issue Date: 1999
Publisher: Elsevier science bv
Series Title: Tectonophysics vol:309 issue:1-4 pages:81-97
Abstract: The Brabant Massif (Belgium) is situated at the southeastern extremity of the Anglo-Brabant Fold Belt, the predominantly concealed eastern branch of the British-Belgian Caledonides. In contrast to the other parts of this Caledonian slate belt, the deformation history in the Brabant Massif has to date never been constrained properly. In this paper a synthesis is presented of the structural observations in the limited outcrop area of the Brabant Massif, in particular with respect to cleavage and fold trajectories and mutual cleavage-fold relationships. Arcuate fold and cleavage patterns, as well as the presence of cleavage-transected folds are demonstrated, similar to the other parts of the belt. Moreover, the arcuate trajectories are considered to reflect the trace of the Caledonian deformation front, once obscured by the Variscan Ardenne Allochthon. Combined with interpretations of the aeromagnetic and Bouguer anomaly maps, an overall kinematic model is proposed for the Acadian deformation event in the Brabant Massif. With the proposed model, calling upon processes of indentation by promontories and lateral escape of lithostructural domains, as well as on the control exerted by rigid granitoid basement blocks, the strong similarities with the other parts of the British-Belgian Caledonides become apparent. By defining an overall shortening direction and proposing a trace for the Caledonian deformation front in this southeastern extremity of the Anglo-Brabant Fold Belt, an integrated tectonic image is obtained for the entire British-Belgian Caledonides. (C) 1999 Elsevier Science B.V. All rights reserved.
ISSN: 0040-1951
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Division of Geology
× corresponding author
# (joint) last author

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