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Book Chapter

Fault geometric analysis

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Published:
January 01, 2017

Abstract:

A branch line is the line of intersection between two hard-linked fault planes, or between two parts of a single fault plane of more complex geometry. Of interest is whether they provide any information about the kinematic development of the fault system to which they belong. Analysis of branch lines from a variety of normal fault networks, interpreted on seismic reflection datasets, shows that the branch lines are generally aligned parallel to the extension direction. This relationship is shown to be a feature of polymodal (orthorhombic) fault systems produced by three-dimensional strain. Branch lines between bimodal faults (conjugate, with opposing dip) tend to be perpendicular to the slip direction.

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Contents

Geological Society, London, Special Publications

The Geometry and Growth of Normal Faults

C. Childs
C. Childs
University College Dublin, Ireland
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R. E. Holdsworth
R. E. Holdsworth
University of Durham, UK
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C. A.-L. Jackson
C. A.-L. Jackson
Imperial College, UK
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T. Manzocchi
T. Manzocchi
University College Dublin, Ireland
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J. J. Walsh
J. J. Walsh
University College Dublin, Ireland
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G. Yielding
G. Yielding
Badley Geoscience Ltd, UK
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The Geological Society of London
Volume
439
ISBN electronic:
9781862399716
Publication date:
January 01, 2017

GeoRef

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