Multibeam bathymetric map made from sonar data collected during this cruise. DSOG tech Paul Johnson processed the data which show the different segments (labeled A-D) of the Central Indian Ridge rift valley between 23°S and 25.5° S. Knorr seamount sits in rift valley at the south end of segment B. The locations of the Edmond and Kairei Vent Fields are also shown.