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Reflection Seismology Program

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Great Salt Lake Fault Geometries Gas Hydrates Precambrian Ruby Mts.



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  Reflection Seismology Research

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    Research in reflection seismology at the University of Arizona is concentrated in four broad areas of investigation: 1) detailed analysis of extensional fault geometries and basin evolution in the western U.S.; 2) complex deep crustal structure in extended and unextended regions; 3) P-wave and S-wave analysis of Poisson's ratio, crustal composition, and in situ rock properties, and 4) digital processing of seismic data to enhance interpretations.  A new direction of research, developed over the past year, focuses on understanding the occurrence of natural-gas (methane) hydrates beneath permafrost on Alaska's North Slope.  This new research direction takes advantage of techniques in quantitative analysis of high-quality 3-D seismic reflection data.  An exciting aspect of all of these investigations is that they are interrelated; progress in any area enhances the understanding of others.

Current projects include:

bulletAnalysis of a detailed grid of marine seismic reflection data from the Great Salt Lake, northern Utah.
bulletSubsurface fault geometries and fault Scarps (the Santa Rita and Pitaycachi Faults) in SE Arizona and N Mexico.
bullet3-D seismic imaging and characterization of methane-gas hydrates beneath permafrost under Alaska's North Slope.
bulletA multidisciplinary, multi-institutional project to geologically and geophysically characterize Proterozoic accretionary terranes in W North America.
bulletMulti-component seismic imaging of highly extended crust in the Ruby Mountains metamorphic core complex, Nevada.

    More information can be found by clicking on the links in the sidebar or on the highlighted text associated with each topic.

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