Deformation Mechanisms, Rheology and Tectonics: From by D. Gapais, J. P. Brun, P. R. Cobbold

By D. Gapais, J. P. Brun, P. R. Cobbold

This booklet comprises 18 papers on deformation mechanisms, rheology and tectonics. the most methods comprise experimental rock deformation, microstructural research, box structural experiences, analogue and numerical modeling. New effects on quite a few issues are provided, starting from brittle to ductile deformation and grain-scale to lithosphere-scale mechanisms. the amount comprises evaluation papers on numerous significant present subject matters, similar to the rheology of the lithospheric mantle and the mechanisms of exhumation of high-pressure tectonic devices, in addition to study papers on kinematic and mechanical research of rock deformation and comparable new suggestions. a number of contributions emphasize the expanding skill and want of researchers to bolster the hyperlinks among small-scale actual mechanisms and large-scale tectonics. the quantity could be of curiosity to educational and commercial researchers within the fields of structural geology, interactions among metamorphism, fluids and deformation, and large-scale tectonic processes.Also on hand: The Initiation, Propagation, And Arrests of Joints And different Fractures - ISBN 1862391653 stream approaches in Faults And Shear Zones - ISBN 186239153X Deformation Mechanisms, Rheology and Tectonics: present prestige and destiny views - ISBN 1862391173

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These main segments have similar characteristics, that is, they strike N W - S E , have similar along-strike length (ranging from 8 to 10 kin) and similar maximum throws of up to 550-600 m (Barchi et al. 2000; Mirabella & Pucci 2002). A structural sketch (Fig. 2a) of the two central segments (M. LeScalette and Cesi-S. Martino) is drawn from the recent detailed geological map (1:10 000 scale) of Barchi et al. (2001). The M. LeScalette segment comprises a major fault and subparallel faults, strikes ranging from N130 ~ to N140 ~ (Mirabella & Pucci 2002).

LeScalette and Cesi-S. Martino faults as a single fault, the empirical relationships on fault dimensions versus earthquake magnitude (Wells & Coppersmith 1994) would provide an earthquake of about M c. 2 in the area. Fault interaction within the Colfiorito fault system was also recently suggested on the basis of seismological data (Scholz & Gupta 2000; Chiaraluce et al. 2003). During the 1997-1998 crisis, two earthquakes of similarly moderate magnitude ( M w = 5 . g. Amato et al. 1998; Chiaraluce et al.

Elle, The numerical simulation of metamorphic and deformation textures. Computers and Geosciences, 27, 17-30. KARATO, S. 1995. Rock deformation: Ductile and brittle. Reviews in Geophysics, American Geophysical Union, 33. KRANTZ, R. W. 1988. Multiple fault sets and threedimensional strain; theory and application. Journal of Structural Geology, 10, 225-237. , FEDER, J. • J~SSANG, T. 1998a. Modeling and characterization of fracture patterns in the Vatnajokull glacier. Geology, 26, 931-934. , JOSSANG, T.

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