This chapter contains sections titled: Introduction Strategies, Materials and Methods Carbonate Accmulation Histories Leg 115 Sites Carbonate Accumulation in the Arabian Sea - Leg 117 Results Carbonate Accumulation on Ninetyeast and Broken Ridges - Leg 121 Results Carbonate Accumulation off Nw Australia - Leg 122 Results Carbonate Accumulation in the Southern Ocean - Kerguelen Plateau Data from Legs 119 and 120 Discussion Conclusion