The western margin of Sardinia (had been explored in the Spring of 1970 by the R/V Jean Charcot of CNEXO. It showed that the basement ridge west of Sardinia lies at the very distal edge of the continental slope and has effectively dammed an upslope sedimentary basin which is presently isolated from the Balearic Abyssal Plain. Consequently a series of holes was contemplated along an east to west transverse of the Charcot profile
