Figure F28. Close-up photograph showing spherulitic texture in an aphanitic pillow margin, basement Unit 1 (interval 192-1185B-3R-1, 54-63 cm). The spherulites are highlighted by alteration.

Figure F28. Close-up photograph showing spherulitic texture in an aphanitic pillow margin, basement Unit 1 (interval 192-1185B-3R-1, 54-63 cm). The spherulites are highlighted by alteration.