This British Geological Survey (BGS) marine sampling survey took place in June-September 1978 (5 fortnightly legs) in the SW Approaches and Lyme Bay area on board the vessel Cape Shore. The purpose was to obtain data for regional geological mapping. Seabed samples and cores were collected using vibrocorer (20'), gravity corer and shipek grab. These data are archived by BGS. Technial details of the survey are contained in BGS Report WB/MI/78/15.