16. FACIES PATTERNS AND AUTHIGENIC MINERALS OF UPWELLING DEPOSITS OFF SOUTHWEST AFRICA

ABSTRACT

INTRODUCTION

SEDIMENTS AND SEDIMENTATION RATES

LOGGING RESULTS

DOLOMITIC LAYERS AND DISSEMINATED RHOMBS

CONDITIONS FOR DOLOMITE FORMATION

SEISMIC PROFILING AND LITHIFIED LAYERS

Phosphorite

Authigenic Iron Sulfides

Glauconite

Methane Hydrate (Clathrates)

CONCLUSIONS

REFERENCES

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