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

PETROGENESIS OF BASEMENT IGNEOUS ROCKS

Site 1136: Southern Kerguelen Plateau

Site 1137: Elan Bank

Site 1138: Central Kerguelen Plateau

Sites 1141 and 1142: Broken Ridge

Site 1139: Skiff Bank

Site 1140: Northern Kerguelen Plateau

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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