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Characterization Of Water Pathways And Hydrolytic Weakening Within Naturally Deformed Quartz Grains Along The Willard Thrust Fault, Utah, Charles Alexander Martin
Characterization Of Water Pathways And Hydrolytic Weakening Within Naturally Deformed Quartz Grains Along The Willard Thrust Fault, Utah, Charles Alexander Martin
Theses and Dissertations
Evidence of water infiltration was examined in naturally deformed quartzite clasts from diamictite of the Mineral Fork Formation sampled from Antelope Island in the Great Salt Lake, Utah. The diamictite deformed via subsimple shear in the footwall of the Willard thrust fault and displays spatial variations in strain intensity. Evidence of water infiltration was investigated utilizing three complimentary techniques: standard petrographic microscopy to identify microstructures and interpret deformation mechanisms; scanning electron microscopy cathodoluminescence (SEM-CL) to create maps of healed microfractures and subgrain boundaries related to pathways of fluid infiltration; and synchrotron-source Fourier-transform infrared spectroscopy (FTIR) to create micron-scale water absorbance …