Figure F112. A. Close-up photograph of interval 193-1188F-43Z-1 (Pieces 2-3C, 62-86 cm); 372.06 mbsf. Quartz-clay vein with a pronounced dark, magnetite-bearing siliceous alteration halo. Several thin anhydrite and anhydrite-pyrite veins cut across this main vein structure, as highlighted in the sketch. B. Sketch of Sample 193-1188F-43Z-1 (Pieces 2-3C, 62-86 cm); 372.06 mbsf.

Figure F112. A. Close-up photograph of interval 193-1188F-43Z-1 (Pieces 2-3C, 62-86 cm); 372.06 mbsf. Quartz-clay vein with a pronounced dark, magnetite-bearing siliceous alteration halo. Several thin anhydrite and anhydrite-pyrite veins cut across this main vein structure, as highlighted in the sketch. B. Sketch of Sample 193-1188F-43Z-1 (Pieces 2-3C, 62-86 cm); 372.06 mbsf.