Opportunities for 3-D Seismic Reflection in Geoscience Research

Physics – Geophysics

Scientific paper

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Exploration Geophysics: Seismic Methods (3025, 7294), Exploration Geophysics: Instruments And Techniques, Exploration Geophysics: Data Processing

Scientific paper

You would think they were images of the Earth's surface made from an aircraft or satellite, or maybe high-resolution images of the seafloor, the sort made with modern multibeam echo sounders. There are hills and valleys, steep scarps and flat plains. Features like meandering river channels including levees and over-bank deposits are clearly defined, and great armadas of ripples like desert sand dunes appear as if seen from the window of a commercial aircraft. There are even impact craters made by meteorites with resolutions as clear as those seen on the Moon through telescopes. You can fly around this terrain any direction you choose at any height and speed. You can stop, hover in one place, and look around before traveling on. Just when you might start to wonder why you haven't seen roads or towns or vegetation, you recall that this is not an image of today's land surface but that of an ancient terrain, deep below the surface of the Earth, revealed by three-dimensional (3-D) seismic reflection imaging.

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