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Intraplate strike-slip deformation belts

By
F. Storti
F. Storti
1
Dipartimento di Scienze Geologiche, Università “Roma Tre”, Largo S. L. Murialdo 1, I-00146 Roma, Italy.
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R. E. Holdsworth
R. E. Holdsworth
2
Reactivation Research Group, Department of Geological Sciences, Durham University, Durham DH1 3LE, UK
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F. Salvini
F. Salvini
1
Dipartimento di Scienze Geologiche, Università “Roma Tre”, Largo S. L. Murialdo 1, I-00146 Roma, Italy.
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Published:
January 01, 2003

Abstract

Intraplate strike-slip deformation belts are typically steeply-dipping structures that develop in both oceanic and continental lithosphere where they form some of the largest and most spectacular discontinuities found on Earth. In both modern and ancient continental settings, intraplate strike slip deformation belts are of major importance in accommodating horizontal displacements where they additionally form very persistent zones of weakness that substantially influence the rheological behaviour of the lithosphere over very long time periods (up to 1 Ga or more). These deformation zones provide a fundamental geometric, kinematic and dynamic link between the more rigid plate-dominated tectonics of the oceans and the non-rigid, complex behaviour of the continents. During convergence, they help to transfer major displacements deep into the plate interiors. During divergence, they act as transfer zones that segment rifts, passive continental margins and, ultimately, oceanic spreading ridges. Such belts are also of great economic importance, controlling the location of many destructive earthquakes, offshore and onshore hydrocarbon deposits and metalliferous ore deposits. In the oceans, intraplate strike-slip movements are relatively minor along transform-related fracture zones, but there are an increasing number of documented examples that may reflect spatial and temporal variations in spreading rate along individual active ridge segments.

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Geological Society, London, Special Publications

Intraplate Strike-Slip Deformation Belts

F. Storti
F. Storti
Università degli Studi “Roma Tre”, Rome, Italy
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R. E. Holdsworth
R. E. Holdsworth
Durham University, Durham, UK
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F. Salvini
F. Salvini
Università degli Studi “Roma Tre”, Rome, Italy
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Geological Society of London
Volume
210
ISBN electronic:
9781862394582
Publication date:
January 01, 2003

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