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Figure F16. Rank abundance of paleoenvironmental indicators, Site U1418. Black bars in the Biozone columns show the uncertainty in the depths of the observed biohorizons. The number within the black bars indicates the age of the biozone boundary. JM = Jaramillo. NPD = Neogene North Pacific Diatom zone of Yanagisawa and Akiba (1998), CM = California margin. Abundance: A = abundant, C = common, F = few, R = rare, P = present, X = present.

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