Physics – Geophysics
Scientific paper
May 1999
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999georl..26.1505z&link_type=abstract
Geophysical Research Letters, Volume 26, Issue 10, p. 1505-1508
Physics
Geophysics
39
Marine Geology And Geophysics: Midocean Ridge Processes, Mineral Physics: Creep And Deformation, Physical Properties Of Rocks: Permeability And Porosity, Seismology: Lithosphere And Upper Mantle
Scientific paper
Shear experiments on olivine-basalt aggregates provide compelling evidence that the dynamic distribution of melt is controlled by the magnitude and orientation of the differential stress. Our results suggest that deformed, partially molten upper mantle rocks will have highly anisotropic physical properties including seismic wave velocities and melt permeability. In addition, our results provide a basis for interpreting geophysical observations, such as shear-wave splitting and for modeling melt migration processes beneath mid-ocean ridges, specifically focused flow of melt toward the ridge axis.
Karato Shun-Ichiro
Kohlstedt David L.
Zhang Shuqing
Zimmerman Mark E.
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