1. Leg 209 Summary: Processes in a 20-km-Thick Conductive Boundary Layer beneath the Mid-Atlantic Ridge, 14°–16°N

ABSTRACT

INTRODUCTION

IGNEOUS PROCESSES

Thermobarometry

Gabbroic Rock Compositions

Impregnation of Residual Peridotites

STRUCTURE AND TECTONICS

CONTRIBUTIONS TO GLOBAL GEOCHEMISTRY

GEOBIOLOGY

AEROBIOLOGY

ACKNOWLEDGMENTS

REFERENCES

CHAPTER NOTES

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