A short electromagnetic profile across the Kane Oceanic Core Complex

Details A short electromagnetic profile across the Kane Oceanic Core Complex A short electromagnetic profile across the Kane Oceanic Core Complex

Aug 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010georl..3715309e&link_type=abstract

Geophysical Research Letters, Volume 37, Issue 15, CiteID L15309

Physics

Geophysics

1

Marine Geology And Geophysics: Marine Electromagnetics, Marine Geology And Geophysics: Midocean Ridge Processes, Marine Geology And Geophysics: Seafloor Morphology, Geology, And Geophysics

Scientific paper

A short seafloor electromagnetic profile across part of the Kane Oceanic Core Complex shows a large variation in seafloor electrical properties (uppermost 30m) with a sharp transition from conductive to resistive seafloor over a distance of less than 350m. The transition is in a location consistent with a sharp, but deeper, lateral gradient in seismic velocity, inferred to mark a transition from serpentinized peridotite to either gabbro or pristine mantle rocks, and is close to a mapped outcrop of serpentinized peridotites. We relate this variability in shallow structure primarily to changes in porosity related to composition.

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