Figure F99. Anisotropy of low-field magnetic susceptibility (AMS) data from 21 of 27 discrete samples, Hole U1415J. Bootstrapped mean eigenvectors averaged from three separate measurements of each discrete sample are shown with 95% confidence ellipses associated with the maximum, intermediate, and minimum eigenvectors. A. Consistency in the orientation of magnetic fabric and observed magmatic foliations in these core sections, showing an eastward-dipping fabric within the core reference frame. B. A wider range of AMS eigenvectors is evident from samples below 40 mbsf. C. Shape factor vs. corrected anisotropy degree shows predominantly oblate AMS ellipsoid shapes (positive T), although some samples with triaxial and prolate shapes are also observed.
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