Stratigraphy and Composition of Gabbros Drilled in Ocean Drilling Program Hole 735B, Southwest Indian Ridge: A Synthesis of Geochemical Data

ABSTRACT

INTRODUCTION

MODELS OF MAGMA CHAMBERS AT SLOWLY SPREADING RIDGES

PRESENTATION OF RESULTS

THE LITHOLOGIC SECTION

THE OLIVINE GABBRO SUITE SEPARATELY CONSIDERED

POSTCRUISE MODIFICATIONS TO THE SHIPBOARD CHEMICAL STRATIGRAPHY

MINERALOGY AND RELATIONSHIP TO THE COMPOSITION OF PARENTAL LIQUIDS

CONSTRUCTION OF THE LOWER OCEAN CRUST

COMPARISON TO FAST-SPREADING CRUST AND THE OMAN OPHIOLITE

LATE-STAGE DIFFERENTIATION

AFTERMATH

ACKNOWLEDGMENTS

REFERENCES

APPENDIX A

APPENDIX B

Compositions of Gabbros and Diabase

CHAPTER NOTE

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