1. Leg 183 Synthesis: Kerguelen Plateau-Broken Ridge—A Large Igneous Province

ABSTRACT

INTRODUCTION

SCIENTIFIC OBJECTIVES

CHRONOLOGY OF KERGUELEN PLATEAU AND BROKEN RIDGE MAGMATISM AND TECTONISM: IMPLICATIONS FOR THE PLUME HYPOTHESIS AND THE BREAKUP OF GONDWANA

Geochronology

Kerguelen Hotspot Magma Flux

The Kerguelen Hotspot and Indian Ocean Plate Reconstructions

PETROGENESIS OF BASEMENT IGNEOUS ROCKS

MANTLE SOURCES, PLUME-LITHOSPHERE INTERACTIONS, AND PLUME MODELS

ERUPTION ENVIRONMENT AND IMPACT

PALEOENVIRONMENTS AND PALEOCEANOGRAPHY

PALEOMAGNETISM AND ROCK MAGNETISM

SUMMARY

ACKNOWLEDGMENTS

REFERENCES

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