Figure F14. Close-up photograph showing volcanic breccia of Unit 13, consisting of angular clasts of basalt from the underlying lava unit and tephra in a white, carbonate-rich matrix (interval 197-1203A-34R-3, 13-31 cm).

Figure F14. Close-up photograph showing volcanic breccia of Unit 13, consisting of angular clasts of basalt from the underlying lava unit and tephra in a white, carbonate-rich matrix (interval 197-1203A-34R-3, 13-31 cm).