Figure F76. Pyrite (white) engulfing magnetite (medium gray). Note magnetite inclusions in pyrite (interval 193-1188A-20R-1, 92-95 cm, in reflected light; width of view = 0.275 mm. Photomicrograph ID# 1188A

Figure F76. Pyrite (white) engulfing magnetite (medium gray). Note magnetite inclusions in pyrite (interval 193-1188A-20R-1, 92-95 cm, in reflected light; width of view = 0.275 mm. Photomicrograph ID# 1188A_106; thin section 25).