By Richard D. Law
This selection of 27 evaluation and examine papers presents an summary of the geodynamic recommendations of channel stream and ductile extrusion in continental collision zones. the point of interest for this quantity is the idea that the center or reduce crust acts as a ductile, partly molten channel flowing out from underneath parts of over-thickened crust, similar to the Tibetan plateau, in the direction of the topographic floor at plateau margins. This debatable idea explains many positive aspects regarding the geodynamic evolution of the plateau and, for instance, extrusion and exhumation of the crystalline center of the Himalayan mountain chain to the south. during this quantity thermal-mechanical versions for channel stream, extrusion and exhumation are offered, and geological and geophysical facts either for and opposed to the applicability of such types to the Himalayan-Tibetan Plateau approach, in addition to older continental collision zones comparable to the Hellenides, the Appalachians and the Canadian Cordillera, are mentioned.
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Extra info for Channel flow, ductile extrusion and exhumation in continental collision zones
Journal of Structural Geology, 22, 603-625. JONES, R. , HOLDWORTH, R. , HAND, M. & GOSCOMBE, B. 2006. Ductile extrusion in continental collision zones: ambiguities in the definition of channel flow and its identification in ancient orogens. In: LAW, R. , SEARLE, M. P. GODIN, L. (eds) Channel Flow, Ductile Extrusion and Exhumation in Continental Collision Zones. Geological Society, London, Special Publications, 268, 201-219. KLEMPERER, S. L. 2006. Crustal flow in Tibet: geophysical evidence for the physical state of Tibetan lithosphere, and inferred patterns of active flow.
H. & FOUNTAIN, D. M. (eds) Exposed Cross-Sections of the Continental Crust. Kluwer, Dordrecht, 509-544. WHITE, J. , COPELAND, D. , ST-ONGE, M. , & SCOTT, D. J. 2004. Channel flow in the Paleoproterozoic: the kinematics of cratonic collision and exhumation, SW Baffin Island, Canada (abstract). In: SEARLE, M. , LAW, R. D. & GODIN, L. (convenors) Channel Flow, Ductile Extrusion and Exhumation of Lower-Mid crust in Continental Collision Zones, Abstract Volume. Geological Society, London. , VANCE, D.
In: LAW, R. , SEARLE,M. P. & GODIN, L. (eds) Channel Flow, Ductile Extrusion and Exhumation in Continental Collision Zones. Geological Society, London, Special Publications, 268, 221-235. WOBUS, C. , HODGES, K. V. & WHIPLE, K. X. 2003. Has focused denudation sustained active thrusting at the Himalayan orogenic front? Geology, 31, 861-864. , NELSON, K. , WORTMAN, G. ErAL. 1998. Yadong cross structure and South Tibetan detachment in the east central Himalaya (89~176 Tectonics, 17, 28-45. YIN, A. 2002.
Channel flow, ductile extrusion and exhumation in continental collision zones by Richard D. Law