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Published online 17 April 2003 | Nature | doi:10.1038/news030414-7
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Magnetic fields blow vents cover
Roving magnetometer maps ocean ridges and faults.
Researchers are capitalizing on the magnetic properties of solidified lava to identify important volcanic structures on the ocean floor.
Elusive hydrothermal vents at mid-ocean ridges and faults have characteristic weak magnetic fields, says geophysicist Maurice Tivey of the Woods Hole Oceanographic Institution in Massachusetts.
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