Figure F11. Core images of muddy sand intervals in Unit I, Hole U1409A. A. Three muddy sand intervals observed in Unit I in all holes. B. Close-up of the intercalated beds showing the grayer beds containing more foraminifers and the greener beds containing more silt. The lowermost two beds are normally graded. C. Lithology of grayer beds. D. Lithology of greener beds.
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