20. HISTORY OF CIRCUM-CARIBBEAN EXPLOSIVE VOLCANISM: 40Ar/39Ar DATING OF TEPHRA LAYERS

ABSTRACT

INTRODUCTION

ANALYTICAL METHODS

RESULTS

TIMING, NATURE, AND SOURCE AREAS OF CARIBBEAN VOLCANISM

Biochronology and Tephra Ages

The Caribbean Oceanic Plateau

The Cayman Ridge

Eocene Explosive Volcanism

Miocene Explosive Volcanism

DISCUSSION AND CONCLUSIONS

REFERENCES

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