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Figure F13. Thin section photomicrographs (Sample 329-U1368B-2H-6, 116–118 cm). A. Numerous plagioclase laths (bright rectangular bars) altering to clay (dark radiating fibers adjacent to each plagioclase) (transmitted light). B. Hexagon and triangular cross-sections of titanomagnetite octahedrons (reflected light). C. Botryoidal apatite (orange) and recrystallized microfossil shells in clay-rich matrix (black) filling a burrow.

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