9. The Composition and Origin of Igneous and Hydrothermal Veins in the Lower Ocean Crust—ODP Hole 735B, Southwest Indian Ridge

ABSTRACT

INTRODUCTION

PETROGRAPHY AND MINERALOGY

VEIN MINERALOGY

Feldspar

Amphibole

Diopside

Mica

Chlorite

Quartz

Epidote

Prehnite

Opaque Minerals

Zeolites

Apatite

Zircon

Titanite

Clay Minerals

Carbonate

VEIN GEOCHEMISTRY

TEMPERATURES OF VEIN FORMATION

ORIGIN OF HOLE 735B VEINS

DYNAMIC MODEL FOR VEIN FORMATION

SUMMARY AND CONCLUSIONS

ACKNOWLEDGMENTS

REFERENCES

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