This marine multi-channel geophysical survey commissioned by the British Geological Survey (BGS), acquired by Delta Exploration Inc. and processed by Seiscom Ltd took place October 1972 and July 1973 in the Moray Firth aboard m.v. Caribe Tide. The survey was carried out as part of a regional mapping programme. Data were gathered using the following equipment Navigation: SAT/NAV; Subsurface data were gathered using a gas/airgun (sleeve exploder), 640 km were covered in a grid of 14 lines. These data are archived by BGS. Technical details of the survey are contained in an Acquisition Report (SO/90/029). Seismic Interpretation Training Package, IGS reports 74/12; 75/11 and BGS Techincal Report WB/92/37 includes data from this survey.