Figure F7. Core photographs showing veining in quartz-chlorite altered volcanic rock. A. Network of quartz-chlorite pyrite veins (interval 331-C0016B-3L-1, 3–19 cm). B. Quartz-chlorite-pyrite vein (indicated by white outline) cut by later anastomosing pyrite-anhydrite vein network (interval 331-C0016B-3L-CC, 0–13 cm).
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