4. Hybridization of Dunite and Gabbroic Materials in Hole 1271B from Mid-Atlantic Ridge 15°N: Implications for Melt Flow and Reaction in the Upper Mantle

ABSTRACT

INTRODUCTION

HOLE 1271B STRATIGRAPHY

PETROGRAPHY

MINERAL CHEMISTRY

Olivine

Spinel

Amphibole

Downhole Variation of Mineral Composition

DISCUSSION

ACKNOWLEDGMENTS

REFERENCES

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