Rheological and Seismic Properties of Solid-Melt Systems
A Mechanical Spectroscopy Study
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Beschreibung
Our understanding of the rheological and seismic properties of the Earth’s interior relies on interpreting geophysical observations using mineral physics data. The complexity of natural materials complicates these interpretations, but here the key features of such materials in controlling the attenuation of seismic waves are determined by a set of careful experiments. This thesis clearly explains how dynamic mechanical spectroscopy has been used to determine the visco-elastic properties of igneous and sedimentary rocks containing geological fluids. These experiments highlight, for the first time, the importance of mineral and rock microstructures as controls on geophysical properties of solids, particularly near the melting point. The results have impacts in areas ranging from volcanic processes, through the structure of the deep Earth, to fluid-saturated porous media.
Our understanding of the rheological and seismic properties of the Earth’s interior relies on interpreting geophysical observations using mineral physics data. The complexity of natural materials complicates these interpretations, but here the key features of such materials in controlling the attenuation of seismic waves are determined by a set of careful experiments. This thesis clearly explains how dynamic mechanical spectroscopy has been used to determine the visco-elastic properties of igneous and sedimentary rocks containing geological fluids. These experiments highlight, for the first time, the importance of mineral and rock microstructures as controls on geophysical properties of solids, particularly near the melting point. The results have impacts in areas ranging from volcanic processes, through the structure of the deep Earth, to fluid-saturated porous media.
Nominated as an outstanding Ph.D. thesis by the University of Cambridge, UK Describes a broad range of experimental approaches to understand mineral mechanics Includes applications to igneous, metamorphic, and sedimentary systems Links new data with developing theories
Autor*in
Su-Ying Chien
Themen in »Rheological and Seismic Properties of Solid-Melt Systems«
Brittle Failure Dynamic Mechanical Analysis Fluid-rock Interactions Glass Transition Mechanical Spectroscopy Porous Media Rock Mechanics Thermal Relaxation Visco-elastic structural geology quantitative geology