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SlideshowReport

Seismic Surveys

Description
Surveys are conducted both onshore (shown) and offshore
Sound waves or vibrations travel through the geosphere and reflect or refract as they pass through materials with different physical properties
These interactions change the travel path and time it takes for the waves to return to the surface, where geophones record their arrival.
Travel time variations are analyzed by a computer and displayed in ways that enable subsurface geometry and character of rocks to be interpreted
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