Figure F18. Hemipelagic clay from Unit II. A. Dark greenish gray clay with rare bioturbation (interval 301-U1301C-17H-4, 123–130 cm). The white patches are carbonate rich and contain very fine black organic matter. B. Dark greenish gray clay with a disk-shaped siliceous concretion (interval 301-U1301C-17H-CC, 1–8 cm).
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