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Side-Scan Processing of GLORI-B and SeaBeam 2000

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Abstract

A new side-scan processing software package has been developed to postprocess data from the new GLORI-B system and SeaBeam 2000 side-scan data using preexisting techniques. We describe the procedures used to process the side-scan data collected during Legs 5, 6 and 7 of the Gloria Expedition in the spring of 1993. The procedures included minimizing artifacts and merging the two types of side-scan data together. The final mosaic shows recent widespread volcanic flows over large areas of the seafloor, unlike any other volcanic chain surveyed on the seafloor. The side-scan data were also very useful in dredging young rocks which are described in recently submitted geochemical manuscripts. The unique style of widespread low-lying young volcanism is attributed to the combination of superfast seafloor spreading and an underlying hotspot channel.

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Liu, Z.J., Naar, D.F. Side-Scan Processing of GLORI-B and SeaBeam 2000. Marine Geophysical Researches 19, 397–405 (1997). https://doi.org/10.1023/A:1004238121051

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