Ch 07 Reflection LECTURE

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seismic reflection
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  First Reflection seismic experiment in Oklahoma in 1921  ã Seismic Reflection is the most important tool we have to image subsurface structure. ã Provides detailed imaging of approximately horizontal layering in the earth ã Reflection seismology is echo or depth sounding Reflection Seismology  ã A ship is moving and fires air-guns about every 10 s. ã The pulses travel downward and are partially reflected back up from the reflectors ã Waves are then recorded by seismic receivers Reflection Seismology  ã The result is a seismic section ã Provides a  picture of the subsurface structure ã The resulting structure can be interpreted as stratigraphy Seismic Section
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