Figure F16. A. Biogenic clay from Subunit IA with clay minerals, fine quartz, diatoms, sponge spicules, and silicoflagellates (Sample 301-U1301C-1H-3, 10 cm) (field of view [FOV] = 0.7 mm). B. Very fine sand in Subunit I, which contains quartz, plagioclase, green amphibole, calcite, iron oxide, and opaque minerals (Sample 301-U1301C-4H-2, 10 cm) (FOV = 0.7 mm).
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