Abstract
WE report results from ocean bottom seismographs (OBS)1 and sonobuoys, in which unreversed refraction lines have been shot along and across the median valley of the Mid-Atlantic Ridge. P-wave arrivals indicate a structure under the median valley with layer 2 overlying 7.3 km sā1 mantle. Under the mountains on the ridge crest P and S arrivals suggest that layer 2 overlies layer 3, which in turn overlies 7.3 km sā1 mantle.
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FOWLER, C., MATTHEWS, D. Seismic refraction experiment on the Mid-Atlantic Ridge in the FAMOUS area. Nature 249, 752ā754 (1974). https://doi.org/10.1038/249752a0
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DOI: https://doi.org/10.1038/249752a0
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