Echo-sounding profile and a portion of a seismic (chirper) line through Heald Bank.

Echo-sounding profile across Heald Bank showing large-scale (2 m-high and 700 m-long) sand waves migrating toward the northeast

Cross-section B-B' (six cores collected alongthe transect are indicated on the cross section)

click here to see cores representing typical lithologic facies.

click here to see block diagrams depicting bank evolution.

Gulf Bottom Imagemap

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