Figure 1. Map of the eastern Indian Ocean showing major physiographic features. DSDP and ODP drill sites on the Ninetyeast Ridge and Kerguelen Plateau are indicated (solid circles), as are dredge sites and an ODP drill site on Broken Ridge (solid squares). Igneous basement was not obtained at ODP Sites 748 and 752.

To 183 Figure 2

To 183 Table of Contents

Figure 1