Advances in Interpretation of Geological Processes Refinement of Multi-scale Data and Integration in Numerical Modelling

About this book

Iterative comparison of analytical results and natural observations with predictions of numerical models improves interpretation of geological processes. Further refinements derive from wide-angle comparison of results from various scales of study. In Advances in Interpretation of Geological Processes, advances from field, laboratory and modelling approaches to tectonic evolution – from the lithosphere to the rock scale – are compared. Constructive use is made of apparently discrepant or non-consistent results from analytical or methodological approaches in processing field or laboratory data, P-T estimates, absolute or relative age determinations of tectonic events, tectonic unit size in crustal-scale deformation, grain-scale deformation processes, various modelling approaches, and numerical techniques.

Advances in geodynamic modelling critically depend on new insights into grain- and subgrain-scale deformation processes. Conversely, quantitative models help to identify which rheological laws and parameters exert the strongest control on multi-scale deformation up to lithosphere and upper mantle scale. Advances in Interpretation of Geological Processes contains seleced papers from the XVI Deformation Rheology and Tectonics Conference, held in Milano on 27-29 September 2007, and analysed during the workshop in Oropa-Biella on 29 September-2 October 2007.

Contents

Preface

VILLA, I. M. Disequilibrium textures versus equilibrium modelling: geochronology at the Crossroads

FORSTER, M. A. & LISTER, G. S. Argon enters the retentive zone: reassessment of diffusion parameters for K-feldspar in the South Cyclades Shear Zone, Ios, Greece

MAMTANI, M. A. & GREILING, R. O. Serrated quartz grain boundaries, temperature and strain rate: testing fractal techniques in a syntectonic granite

CIRRINCIONE, R., FAZIO, E., HEILBRONNER, R., KERN, H., MENGEL, K., ORTOLANO, G.,
PEZZINO, A. & PUNTURO, R. Microstructure and elastic anisotropy of naturally deformed leucogneiss from a shear zone in Montalto (southern Calabria, Italy)

WATANABE, T. Geometry of intercrystalline brine in plastically deforming halite rocks: inference from electrical resistivity

ZUCALI, M., BARBERINI, V., CHATEIGNER, D., OULADDIAF, B. & LUTTEROTTI, L. Brittle plus plastic deformation of gypsum aggregates experimentally deformed in torsion to high strains: quantitative microstructural and textural analysis from optical and diffraction data

BAUMANN, C., GERYA, T. V. & CONNOLLY, J. A. D. Numerical modelling of spontaneous slab breakoff dynamics during continental collision

GARDI, A., BAIZE, S. & SCOTTI, O. Present-day vertical isostatic readjustment of the Western Alps revealed by numerical modelling and geodetic and seismotectonic data

SPLENDORE, R., MAROTTA, A. M., BARZAGHI, R., BORGHI, A. & CANNIZZARO, L. Block model versus thermomechanical model: new insights on the present-day regional deformation in the surroundings of the Calabrian Arc

MEDA, M., MAROTTA, A.M. & SPALLA, M. I. The role of mantle hydration in continental crust recycling in the wedge region

SALVI, F., SPALLA, M. I., ZUCALI, M. & GOSSO, G. Three-dimensional evaluation of fabric evolution and metamorphic reaction progress in polycyclic and polymetamorphic terrains: a case from the Central Italian Alps

HOBBS, B. E., ORD, A., SPALLA,M. I., GOSSO, G. & ZUCALI,M. The interaction of deformation and metamorphic reactions

Index

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