Heterogeneity in the crust and upper mantle: nature, scaling, and seismic properties [Libro electrónico] / edited by John A. Goff, Klaus Holliger

Incluye bibliografía e índice: páginas 345-349

Ductile instabilities and structural heterogeneity in the lower continental crust.. Petrological causes of seismic heterogeneity in the continental crust.. Seismic modeling of lower and mid-crustal structure as exemplified by the massiccio dei laghi (ivrea-verbano zone and serie dei laghi crustal section, northwestern Italy.. Comparison of geologic and seismic structure of uppermost fast-spreading oceanic crust: insights from a crustal cross-section at the hess deep rift.. A generic model for the 1/f-nature of seismic velocity fluctuations.. Fractures and physical heterogeneity in crustal rock.. Statistical characterization of spatial variability in sedimentary rock.. Multifractal modeling and analyses of crustal heterogeneity.. Seismic imaging of lower crustal heterogeneity.. The heterogeneity of the crust and its effect on seismic wide-angle reflection fields.. Heterogeneity of the uppermost mantle inferred from controlled-source seismology.. The nature of crustal seismic heterogeneity: a case study from the grenville province.. Spatial coherences of seismic data and the application to characterization of stochastic heterogeneities.. Index

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Most of our knowledge about the physical structure and the chemical composition of the Earth's deep interior is inferred from seismic data. The interpretation of seismic waves generally follows the assumption that the Earth's physical structure is grossly layered and that fluctuations of the physical parameters within individual layers are smooth in structure and small in magnitude. While this view greatly facilitates the analytic and interpretative procedure, it is clearly at odds with evidence from outcrops and boreholes, which indicates that compositional, structural and petrophysical heterogeneity in the Earth prevails over a wide range of scales. This book is the first to unify three different views of crustal and upper mantle heterogeneity. It brings together the geological view, which is derived from the analysis of crustal exposures and deep boreholes; the stochastic view, which attempts to find order and structure in these seemingly chaotic data; and the seismological view, which considers the end product of the complex interaction of seismic energy with the heterogeneous structure at depth. John Goff and Klaus Holliger have compiled chapters that explore and quantify the relationship between geological and petrophysical heterogeneity and its seismic response, and use seismic data to probe the fabric of the Earth's interior. Geologists, geostaticians, and geophysicists alike will benefit from the integrative perspective presented in Heterogeneity in the Crust and Upper Mantle: Nature, Scaling, and Seismic Properties, making this text an unparalleled reference for professionals and students in Earth science fields. eng

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