hinge fault

hinge fault

[′hinj ‚fȯlt]
(geology)
A fault whose movement is an angular or rotational one on a side of an axis that is normal to the fault plane.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Vertical displacement can be up to 300 m (Becerrea fault) and generating pivotal and hinge faults, which control the Tertiary depressions (e.g Monforte and Sarria).
Their displacements are mainly horizontal with no relevant associated relief, except where they run near the El Caurel sector where they show a vertical component that generates pivot and hinge faults. The horizontal component is responsible for the dissection of the Tertiary-age sediments in the Monforte, Sarria and Vilalba depressions (Fig.
Geometry, structures and evolution of the western termination of the Alpine-Pyrenean Orogen reliefs (NW Iberian Peninsula)/Geometria, estructuras y evolucion de la terminacion occidental de los relieves del Orogeno Alpino-Pirenaico (NO Peninsula Iberica)

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