We would like to thank Gary Acton, Tobias Moerz, and anonymous reviewers for their constructive insight in reviewing this manuscript. We thank the crews and scientists aboard the Cape Hatteras, Maurice Ewing, and JOIDES Resolution and at the Lamont-Doherty Earth Observatory for their efforts in the acquisition and processing of the data used in this study. The senior author wishes to thank Amoco Exploration and Production Company (Alan Brown and Margaret Keillor) for providing access and support for use of the Landmark software and workstations necessary to complete this study. This research comprises part of the doctoral dissertation of the senior author (Cunningham, 1998) and was supported by JOI/USSP/TAMRF Grants No. F000307 and F000395.