Integrated study on the topographic and shallow subsurface expression of the Grote Brogel Fault at the boundary of the Roer Valley Graben, Belgium

The Grote Brogel Fault (GBF) is a major WNW-ESE striking normal fault in Belgium that diverges westward from the NW-SE striking western border fault system of the Roer Valley Graben. The GBF delimits the topographically higher Campine Block from the subsiding Roer Valley Graben, and is expressed in...

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Bibliographic Details
Published in:Tectonophysics 2018-01, Vol.722, p.486-506
Main Authors: Deckers, Jef, Van Noten, Koen, Schiltz, Marco, Lecocq, Thomas, Vanneste, Kris
Format: Article
Language:English
Subjects:
Boreholes
Cone penetration test
Cone penetration tests
Electric resistivity tomography
Electrical resistivity
Escarpments
Fault lines
Fault scarp
Fluvial deposits
Geometry
Graben
Groundwater
Groundwater flow
Groundwater levels
Hydrogeology
Hydrological barrier
Hydrology
Normal faulting
Offsets
Pleistocene
Profiles
Quaternary
Stratigraphy
Studies
Tectonic geomorphology
Terrain models
Tomography
Water flow
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Summary:The Grote Brogel Fault (GBF) is a major WNW-ESE striking normal fault in Belgium that diverges westward from the NW-SE striking western border fault system of the Roer Valley Graben. The GBF delimits the topographically higher Campine Block from the subsiding Roer Valley Graben, and is expressed in the Digital Terrain Model (DTM) by relief gradients or scarps. By integrating DTM, Electrical Resistivity Tomography (ERT), Cone Penetration Test (CPT) and borehole data, we studied the Quaternary activity of the GBF and its effects on local hydrogeology. In the shallow subsurface (
ISSN:0040-1951
1879-3266
DOI:10.1016/j.tecto.2017.11.019