Description

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Preface

1. Introduction

2. Regional setting

2.1 Physiography

2.2 Oceanography

2.3 Geology

2.4 Sedimentology

4. Regional stratigraphic frames based on calcareous microfossils

5. Materials

6. The Ioffe Drift geomorphology and seismic stratigraphy

6.1 Bathymetry

6.2 Acoustic structure of the drift

6.3 Seismic facies as evidence for the contourite origin of the drift

7. Lithology and sedimentology

7.1. Lithostratigraphy of core sections

7.2 Grain size distribution

7.3 Geochemistry (CaCO3, TOC, XRF)

7.4 Magnetic susceptibility and color reflectance

7.5 Mineralogy

7.7 Sedimentation processes

8. Micropaleontology and stratigraphy

9.1 Planktic foraminiferal assemblages and biostratigraphic zones

9.2 Nannofossil assemblages and biostratigraphic zones

9.3 Correlation of foraminiferal and nannofossil zones in the Ioffe Drift

9.4 Correlation of foram and nannofossil zones in the Ioffe Drift and Rio Grande Rise

9. Ferromanganese nodules

10. Hiatuses and core correlations

11. The Ioffe Drift history and mechanisms of sedimentation

12. Conclusions and Perspectives

References

Attachment (SCAN Images)

Index

About the Author

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Prof. Ivar Murdmaa, habilitated DSci on geology and mineralogy, Senior Researcher at Shirshov Institute of Oceanology RAS, participant of 37 marine expeditions including 4 deep sea drilling legs. His major scientific interests include lithology, sedimentology, facies and formations of oceanic sediments, ferromanganese nodules. During the last decade, he studied the lithology and formation of contourites from the Southern and Central Atlantic.Prof. Elena Ivanova, habilitated DSci on oceanology and marine geology, Head of the Laboratory of Paleoceanology at Shirshov Institute of Oceanology RAS, participant of 22 marine expeditions and Chief scientist in 6 of them, guest scientist at several research institutes in France, UK, Germany, USA. Her major scientific interests include mechanisms on global teleconnections based on the study of high-resolution paleodata timeseries, contourite stratigraphy and bottom-water circulation in the Southern and Central Atlantic.