An upper mantle seismic discontinuity beneath the Galápagos Archipelago and its implications for studies of the lithosphere-asthenosphere boundary

An upper mantle seismic discontinuity (the Gutenberg or G discontinuity), at which shear wave velocity decreases with depth, has been mapped from S‐to‐p conversions in radial receiver functions recorded across the Galápagos Archipelago. The mean depth of the discontinuity is 91 ± 8 km beneath the so...

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Veröffentlicht in:	Geochemistry, geophysics, geosystems : G3 geophysics, geosystems : G3, 2015-04, Vol.16 (4), p.1070-1088
Hauptverfasser:	Byrnes, Joseph S., Hooft, Emilie E. E., Toomey, Douglas R., Villagómez, Darwin R., Geist, Dennis J., Solomon, Sean C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Archipelagoes Dehydration Galapagos Lithosphere Melting Plate tectonics plume receiver functions Seismology Upper mantle Upwelling Water depth Wave velocity
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