South Atlantic Paleoceanography

About this book

Paleoceanography is the science dealing with the history of the oceans. This book describes what had been found out during the previous decade about the past 100 million years of the history of the South Atlantic Ocean, thanks largely to drilling by Glomar Challenger during five expeditions in 1980. Palaeotemperature studies provided a history of climatic variations, geochemistry of carbon isotopes provided information on fertility of planktonic organisms and the intensity of oceanic overturns, while correlation of sediment character to changes in oceanic chemistry and fertility permitted interpretations of the variation of the level at which fossil skeletons became dissolved. All the authors were experts and most took part in the 1980 expeditions to the South Atlantic. This book brought together the results of the major discoveries in one volume and was the first modern regional synthesis of ocean history.

Reissue of a book first published in 1985.

Contents

List of contributors; Preface; Acknowledgements; 1. Introduction K. J. Hsu and H. J. Weissert; 2. Dissolution effects on size distribution of recent planktonic foraminiferal species, South Atlantic Ocean B. Malmgren; 3. Middle and Late Quaternary carbonate production and dissolution and paleoceanography of the eastern Angola Basin, South Atlantic Ocean J. H. F. Jansen; 4. Late Quaternary upwelling history off southwest Africa (DSDP Leg 75, HPC 532) L. Diester-Haass; 5. History of the Walvis Ridge. A precis of the results of DSDP Leg 74 T. C. Moore, P. D. Rabinowitz, P. E. Borella, N. J. Shackleton and A. Boersma; 6. Cyclic variations in calcium carbonate and organic carbon in Miocene to Holocene sediments, Walvis Ridge, South Atlantic Ocean W. Dean and J. Gardner; 7. Pliocene oceanography and climate: an isotope record from the southwestern Angola Basin H. J. Weissert and H. Oberhansli; 8. Paleoceanographic expressions of the Messinian salinity crisis J. A. McKenzie and H. Oberhansli; 9. The Paleogene oxygen and carbon isotope history of Sites 522, 523, and 524 from the Central South Atlantic H. Oberhansli and M. Toumarkine; 10. History of calcite dissolution of the South Atlantic Ocean K. J. Hsu and R. Wright; 11. Cenozoic carbon-isotope record in South Atlantic sediments K. J. Hsu, J. A. McKenzie and H. J. Weissert; 12. Hiatuses in Mesozoic and Cenozoic sediments of the Zaire-Congo continental shelf, slope, and deep-sea fan J. H. F. Jansen; 13. Synthesis of lake Cretaceous, Tertiary, and Quaternary stable isotope records of the South Atlantic based on Leg 72 DSDP core material D. F. Williams, R. C. Thunell, D. A. Hodell and C. Vergnaud-Grazzini; 14. Abyssal teleconnections II. Initiation of Antarctic Bottom Water flow in the southwestern Atlantic D. A. Johnson; 15. Cenozoic evolution of polar water masses, southwest Atlantic Ocean S. W. Wise, A. M. Gombos and J. P. Muza; 16. Evidence from the Ostracoda of major events in the South Atlantic and world-wide over the past 80 million years R. H. Benson, R. E. Chapman and L. T. Deck.

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