Figure F17. Photomicrographs showing incipient fragmentation of an olivine grain in dunite. The former gabbroic intrusion is now replaced by amphiboles. A. Sample 209-1271B-18R-1, 114–117 cm; cross-polarized light [XPL]: blue filter; field of view [FOV] = 5.5 mm; image 1271B_082. B–D. Sample 209-1271B-12R-2, 16–19 cm; (B) XPL: blue + light gray filters; FOV = 2.75 mm; image 1271_B_045; (C) XPL: blue + light gray filters; FOV = 2.75 mm; image 1271B_086; (D) XPL: blue filter; FOV = 5.5 mm; image 1271B

Figure F17. Photomicrographs showing incipient fragmentation of an olivine grain in dunite. The former gabbroic intrusion is now replaced by amphiboles. A. Sample 209-1271B-18R-1, 114–117 cm; cross-polarized light [XPL]: blue filter; field of view [FOV] = 5.5 mm; image 1271B_082. B–D. Sample 209-1271B-12R-2, 16–19 cm; (B) XPL: blue + light gray filters; FOV = 2.75 mm; image 1271_B_045; (C) XPL: blue + light gray filters; FOV = 2.75 mm; image 1271B_086; (D) XPL: blue filter; FOV = 5.5 mm; image 1271B_069.