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Thrust faults (Geology) --- Geology, Stratigraphic --- Cretaceous Period --- Overthrusts (Geology) --- Reverse faults (Geology) --- Thrusts (Geology) --- Faults (Geology)

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Geology --- Thrust faults (Geology) --- Overthrusts (Geology) --- Reverse faults (Geology) --- Thrusts (Geology) --- Faults (Geology) --- Geognosy --- Geoscience --- Earth sciences --- Natural history

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What is the important geologic information recorded in Thrust Belts and Foreland Basins (TBFB) on the evolution of orogens? How do they transcript the coupled influence of deep and surficial geological processes? Is it still worth looking for hydrocarbons in foothills areas? These and other questions are addressed in the volume edited by Lacombe, Lavé, Roure and Verges, which constitutes the Proceedings of the first meeting of the new ILP task force on ""Sedimentary Basins,"" held in December 2005 at the Institut Français du Pétrole, on behalf of the Société Géologique de France.

Thrust faults (Geology) --- Sedimentary basins. --- Basins (Geology) --- Overthrusts (Geology) --- Reverse faults (Geology) --- Thrusts (Geology) --- Faults (Geology) --- Sedimentology. --- Geology. --- Physical geography. --- Historical Geology. --- Geophysics/Geodesy. --- Geotechnical Engineering & Applied Earth Sciences. --- Atmospheric Sciences. --- Geography --- Geognosy --- Geoscience --- Earth sciences --- Natural history --- Petrology --- Historical geology. --- Geophysics. --- Geotechnical engineering. --- Atmospheric sciences. --- Atmospheric sciences --- Atmosphere --- Engineering, Geotechnical --- Geotechnics --- Geotechnology --- Engineering geology --- Geological physics --- Terrestrial physics --- Physics --- Geology

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This thesis explores fluid distribution along the Nankai-Trough megathrust fault around the Kii Peninsula of Japan, where devastating earthquakes are expected to occur in the near future. Exploring fluid distribution along subduction zones is an important issue because the fluid is considered to control the occurrence of earthquakes. One of the effective strategies to estimate fluid content is retrieving receiver functions (RFs) from seismograms, but in the case of ocean-bottom seismometers (OBSs), noisy P-wave reverberations within the seawater column make such an analysis difficult. The author therefore developed a novel technique to suppress the water reverberations, which allows obtaining the fluid distribution data along a wide depth range on the plate interface.   This thesis first presents the new technique, called the water layer filter method, and demonstrates its efficiency by using both synthetic and observation data. Then, using the method, a receiver function image of the Philippine Sea Plate is constructed to reveal dehydration processes of the subducting oceanic crust around the Kii Peninsula. Finally, the author performs high-frequency receiver function inversion analysis. The results indicate the presence of a thin fluid-rich sediment layer along the megathrust fault off the Kii Peninsula that acts as a pathway of fluid.     Nowadays, the number of offshore observations is increasing worldwide. In this respect, the attempt to better analyze OBS data employing the new method will become more important in future studies.

Thrust faults (Geology) --- Earth sciences. --- Structural geology. --- Geophysics. --- Geotechnical engineering. --- Earth Sciences. --- Geophysics/Geodesy. --- Geotechnical Engineering & Applied Earth Sciences. --- Structural Geology. --- Overthrusts (Geology) --- Reverse faults (Geology) --- Thrusts (Geology) --- Faults (Geology) --- Physical geography. --- Geology, Structural. --- Geotectonics --- Structural geology --- Tectonics (Geology) --- Physical geology --- Geography --- Engineering, Geotechnical --- Geotechnics --- Geotechnology --- Engineering geology --- Geological physics --- Terrestrial physics --- Earth sciences --- Physics