Figure F280. Brown-green amphibole vein crosscutting a vein of granular orthopyroxene, magnetite, minor clinopyroxene, and plagioclase (Thin Section 54; Sample 312-1256D-209R-1, 8–10 cm; 1396.58 mbsf) (plane-polarized light; field of view = 4.5 mm).
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