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FIGURE 23.-"Bottom photographs collected in Malta Trough (station V 14-K53, 1587 m) showing
typical deep basin surficial sediment cover consisting of bioturbated structures and fecal pellets:
A, partially buried biogenic structures and pellets by fine-grained sediment; B, meandering plow
marks (holothurian or echinoid trails) and small volcano-like mound with apical vents; c,
conical mounds and locally partially buried fecal pellets; D, large depression, possibly fish
produced structure. (Photos courtesy of the Lamont-Doherty Geologica! Observatory of Columbia
University.)
