Indian Ocean Geology and Biostratigraphy: Studies Following Deep-sea Drilling Legs 22-29

abundant Albian Antarctic Antarctica aseismic ridges assemblages Australia basalts benthonic foraminifera Berggren biostratigraphy Boltovskoy boundary Broken Ridge Bukry calcareous nannoplankton carbonate Cenomanian Cenozoic Central Indian chalk clay Core correlation Deep Sea Drilling dehiscens depth Discoaster DSDP sites Early Eocene Eastern Indian Ocean Eocene faunas Figure foraminifera Gartner Geol Globorotalia Government Printing Office Gulf of Aden Heirtzler hiatus Indian Ocean Indian Ridge Initial Reports interval Island Kennett Kerguelen Plateau Late Cretaceous Lower Pliocene Luyendyk Maastrichtian Madagascar Mascarene Plateau McGowran Middle Miocene Miocene Morozovella nanno fossil nanno ooze Naturaliste Plateau Neogene Ninetyeast Ridge occur Oligocene Pacific Paleocene paleomagnetic planktonic planktonic foraminifera Planorotalites Pleistocene Pliocene Quaternary radiolarian rocks samples Sclater and Fisher Sea Drilling Project sediments sequence siliceous Somali Basin species Sphenolithus stratigraphic tectonic Tertiary tholeiites tropical truncatulinoides U. S. Government Printing Upper Miocene Veevers volcanic volcanogenic Washington U. S. Government Wharton Basin zonation