Mathematics – Logic
Scientific paper
May 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994georl..21..939m&link_type=abstract
Geophysical Research Letters (ISSN 0094-8276), vol. 21, no. 10, p. 939-942
Mathematics
Logic
3
Boreholes, Earth Crust, Geological Surveys, Geophysics, Igneous Rocks, Imaging Techniques, In Situ Measurement, Lithology, Mineral Deposits, Seismic Waves, Stratigraphy, Structural Basins, Structural Properties (Geology), Wave Reflection, Compression Waves, Mathematical Models, Metamorphic Rocks, Mineral Exploration, P Waves, S Waves, Sedimentary Rocks
Scientific paper
A three component vertical seismic profiling (VSP) experiment was carried out in the metasedimentary Whitewater group of the Sudbury Structure. Processing of the VSP data focused on velocity analysis, wavefield separation, shear-wave analysis, waveform modeling, hodogram analysis, and integration of surface-seismic and borehole geophysical data. Wavefield separation processing and synthetic VSP modeling resulted in a realistic velocity model and the corridor-stacked compressional section correlates well with the surface seismic reflection data. The shear wave section provides an additional constraint on the subsurface structure. Besides establishing a direct link between borehole lithologies and surface seismic images, the VSP data, using three component particle motion velocity hodograms, provide an independent estimate of true reflector dip in the subsurface of the Sudbury Structure.
Miao Xijia
Milkereit Bernd
Moon Wooil M.
Mwenifumbo C. J.
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