A vibratory coring system has been developed specifically to sample sands on continental margins for more detailed data concerning sedimentary processes. It consists of three vibration mechanisms with attached 2 m coring tubes, a battery powered energy source, and a locking compass for orientation. Coring units, 2 m apart, are located at the apices of a triangular platform. Field tests indicate that the system is operational at all depths on the continental shelf.

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