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Figure 7. Sand distribution in the Plio-Pleistocene Angulogerina B deposode. Red contours show the thickness of sand-bearing section. Seismic facies Hrm (high-relief mounded), Om (overlapping mounds and lenses), and Vavc (variable amplitude and continuity) are all inferred to be sand-bearing. Three slope turbidite sand belts traverse the continental slope to supply the Mississippi fan system.