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File:Usgs-of99-570 mud volcano.png

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Description
English: Two seismic-reflection scans of a fault zone in the w:Gulf of Mexico.
  • A. Chirp seismic-reflection
  • B. Water gun seismic-reflection.

Chirp seismic-reflection show a likely w:mud volcano adjacent to the fault zone where near-surface seismic-reflection amplitudes are high and the seafloor is disrupted.

Water gun data illustrate that the high-amplitude reflections extend downward in two zones, one that projects steeply (i.e., the master fault with likely gas/fluid) and another that projects laterally along apparent stratigraphy (i.e., a potential gas/fluid charged stratal unit). The fault zone has high backscatter at the sea floor, and is an area of likely upward migrating gases, fluids, and mobilized sediment, with contributions from the two subsurface high-amplitude zones.
Source

http://geopubs.wr.usgs.gov/open-file/of99-570/ w:USGS Open-File Report 99-570 Online Version 1.0

A seismic-reflection investigation of gas hydrates and sea-floor features of the upper continental slope of the Garden Banks and Green Canyon regions, northern Gulf of Mexico: Report for cruise G1-99-GM (99002) By Alan Cooper, David Twichell, and Patrick Hart
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Source

Public domain
This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

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Date/TimeThumbnailDimensionsUserComment
current18:47, 20 April 2005Thumbnail for version as of 18:47, 20 April 2005800 × 930 (848 KB)SEWilcoTwo seismic-reflection scans of a fault zone in the Gulf of Mexico. * A. Chirp seismic-reflection * B. Water gun seismic-reflection. Chirp seismic-reflection show a likely mud volcano adjacent to the fault zone where near-surface seismic-reflect

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