Figure F45. Quartz-pyrite stockwork ladder vein, partly crosscutting and partly parallel to flow banding. A front of silicification (irregular, granular reflective gray banding, indicated on the image) at the outer vein selvage is clearly visible (interval 193-1188A-9R-1, 68-70 cm, Unit 8, in reflected light; width of view = 2.75 mm. Photomicrograph ID#1188A_57 [modified]; thin section 9).