Figure F81. Pyrrhotite inclusion (0.006 mm in diameter) and smaller magnetite inclusions in pyrite (Sample 193-1188F-1Z-3 [Piece 3, 86-89 cm] in reflected light; width of view = 0.14 mm. Photomicrograph ID# 1188F

Figure F81. Pyrrhotite inclusion (0.006 mm in diameter) and smaller magnetite inclusions in pyrite (Sample 193-1188F-1Z-3 [Piece 3, 86-89 cm] in reflected light; width of view = 0.14 mm. Photomicrograph ID# 1188F_6; thin section 61).