Upwelling History of the Benguela-Namibia System: A Synthesis of Leg 175 Results

ABSTRACT

INTRODUCTION AND OVERVIEW

Leg 175

OCEANOGRAPHY, NOMENCLATURE, PROXIES, AND SEDIMENT PATTERNS

AGE ASSIGNMENTS AND SEDIMENTATION RATES

QUATERNARY RECORD OF THE CONGO AND ANGOLA SITES

WALVIS GROUP (SITES 1081, 1082, AND 1083)

LÜDERITZ SITE (SITE 1084)

CAPE BASIN GROUP (SITES 1085, 1086, AND 1087)

SUMMARY AND CONCLUSIONS

Geographic Patterns of Upwelling

Quaternary Cycles and the Walvis Paradox

Pliocene-Pleistocene Climate Steps and Namibia Opal Acme

General Considerations: A Paradigm for Silicate Deposition

When Did Upwelling off Southwestern Africa Begin?

ACKNOWLEDGMENTS

REFERENCES

APPENDIX

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