4. High-Temperature Fluid Migration within Oceanic Layer 3 Gabbros, Hole 735B, Southwest Indian Ridge: Implications for the Magmatic-Hydrothermal Transition at Slow-Spreading Mid-Ocean Ridges
GEOLOGIC SETTING AND LITHOLOGIC FRAMEWORK OF HOLE 735B
PROBLEMS WITH MAGMATIC/METAMORPHIC TRANSITION BENEATH SPREADING RIDGES
DESCRIPTION OF THE HIGH-TEMPERATURE MICROSCOPIC
VEINS AND RELATED TEXTURES
Petrographic Description of the Examined Olivine Gabbros
Occurrence of the High-Temperature Microscopic Veins
Interfingering Textures of Clinopyroxene with Intergrowths of Amphibole + Orthopyroxene
CHEMICAL COMPOSITIONS OF CLINOPYROXENE,
ORTHOPYROXENE, AND AMPHIBOLE FROM THE HIGH-TEMPERATURE MICROSCOPIC VEINS AND THE
RELATED TEXTURES
TEMPERATURE CONDITIONS OF THE HIGH-TEMPERATURE MICROSCOPIC VEINS AND INTERGROWTHS