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Description Restraining and releasing bends are common, but enigmatic features of strike-slip fault systems occurring in all crustal environments and at regional to microscopic scales of observation. Regional-scale restraining bends are sites of mountain building, transpressional deformation and basement exhumation, whereas releasing bends are sites of topographic subsidence, transtensional deformation, basin sedimentation and possible volcanism and economic mineralization. Because restraining and releasing bends often occur as singular self-contained domains of complex deformation, they are appealing natural laboratories for Earth scientists to study fault processes, earthquake seismology, active faulting and sedimentation, fault and fluid-flow relationships, links between tectonics and topography, tectonic and erosional controls on exhumation, and tectonic geomorphology. This volume addresses the tectonic complexity and diversity of strike-slip restraining and releasing bends with 18 contributions divided into four thematic sections: (1) a topical review of fault bends and their global distribution; (2) bends, sedimentary basins and earthquake hazards; (3) restraining bends, transpressional deformation and basement controls on development; (4) releasing bends, transtensional deformation and fluid flow.

Contents Tectonics of strike-slip restraining and releasing bends, Cunningham, W. D. Mann, P. • Global catalogue, classification, and tectonic origins of active restraining and releasing bends on active strike-slip fault systems, Mann, P. • Morphology, structure and evolution of California Continental Borderland restraining bends, Legg, M. R. Goldfinger, C. Kamerling, M. J. Chaytor, J. D. Einstein, D. E. • Stepovers that migrate with respect to affected deposits: field characteristics and speculation on some details of their evolution, Wakabayashi, J. • Relatively simple through-going fault planes at large-earthquake depth may be concealed by surface complexity of strike-slip faults, Graymer, R. W. Langenheim, V. E. Simpson, R. W. Jachens, R. C. Ponce, D. A. • Extensional deformation and development of deep basins associated with the sinistral transcurrent fault zone of the Scotia-Antarctic plate boundary, Bohoyo, F. Galindo-Zaldivar, J. Jabaloy, A. Maldonado, A. Rodriguez-fernandez, J. Schreider, A. Surinach, E. • Structural and topographic characteristics of restraining bend mountain ranges of the Altai, Gobi Altai and Easternmost Tien Shan, Cunningham, W. D. • Toward a better understanding of the late Neogene strike-slip restraining bend in Jamaica: geodetic, geologic, and seismic constraints, Mann, P. DeMets, C. Wiggins-Grandison, M. • Kinematics of the Amanos Fault, southern Turkey, from Ar-Ar dating of offset Pleistocene basalt flows: transpression between the African and Arabian plates, Seyrek, A. Demir, T. Pringle, M. S. Yurtmen, S. Westaway, R. W. C. Beck, A. Rowbotham, G. • Strain partitioning of active transpression within the Lebanese restraining bend of the Dead Sea Fault (Lebanon and SW Syria), Gomez, F. Nemer, T. Tabet, C. Khawlie, M. Meghraoui, M. Barazangi, M. • Structural geometry and timing of deformation in the Chainat Duplex, Thailand, Smith, M. Chantraprasert, S. Morley, C. K. Cartwright, I. • Evolution of deformation styles at a major restraining bend, constraints from cooling histories, Mae Ping Fault zone, Western Thailand, Morley, C. K. Smith, M. Carter, A. Charusiri, P. Chantraprasert, S. • Evolution of a poly-deformed relay zone between fault segments in the eastern Southern Alps, Italy, Zampieri, D. Massironi, M. • Transpressional structures on a Late Palaeozoic intracontinental transform fault, Canadian Appalachians, Waldron, J. W. F. Roselli, C. Johnston, S. K. • Terminations of large strike-slip faults: an alternative model from New Zealand, Mouslopoulou, V. Little, T. A. Nicol, A.Walsh, J. J. • Segment linkage and the state of stress in transtensional transfer zones: field examples from the Pannonian Basin, Fodor, L. • The structural evolution of dilational stepovers in regional transtensional zones, de Paola, N. Holdsworth, R. E. Collettini, C. McCaffrey, K. J. W. Barchi, M. R. • The 3-D fault and vein architecture of strike-slip releasing and restraining bends: evidence from volcanic-centre-related mineral deposits, Berger, B. R.

Reviews

…this is a very useful, well illustrated and timely contribution to what is an extremely important topic in terms of Earth tectonics and seismicity. As with the theme of many special publications of the Geological Society, the topic will appeal more to the specialist audience, although this volume does provide an excellent benchmark and ready-to-use source of up-to-date information for those who wish to delve further into the subject. It deserves to find a place on the shelves of many university libraries.

Ian Alsop
This review was featured in Geological Magazine, Vol 146/5 - 2009

This review was submitted by:
Mrs Julie Webster
04 February 2010