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Figure F74. Photomicrographs of crosscutting relationships between green amphibole veins and actinolite-bearing thin black veins (Sample 335-1256D-238R-1, 2–4 cm; Thin Section 6). A. Plane-polarized light. B. Cross-polarized light. C, D. Black thin conjugate veins crosscut the amphibole vein and its alteration halos. E, F. Black thin veins crosscut the diffuse amphibole (partly including epidote) vein and its alteration halos.

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