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Figure F10. Photomicrographs of sediments recovered at Site 1254. A. Silty claystone typical of much of the section (Sample 205-1254A-15R-2, 40 cm). B. Volcanic ash (Sample 205-1254A-8R-8, 60 cm) dominated by clear, angular high-silica glass shards (Sample 205-1254A-8R-8, 60 cm). C. Volcanic ash-rich siltstone (Sample 205-1254A-4R-3, 25 cm). Note the dark-colored mafic character of the shards. D. Claystone with silt bearing minor amounts of diatom and radiolarian tests (Sample 205-1254A-14R-5, 40 cm). E. Diatom-rich silty claystone from the underthrust Unit U1 (Sample 205-1254A-15R-4, 50 cm).
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