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Figure F46. Plots of downhole magnetization intensity after 20 mT demagnetization for Southeast Newfoundland Ridge Sites U1407–U1411. Interpreted magnetostratigraphies: black = normal, white = reversed chron, gray = unidentified. Small circles = pass-through SRM measurement data after 20 mT AF demagnetization from archive-half sections. PCA = principal component analysis experiments (Kirschvink, 1980).

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