Figure F37. Close-up photograph of Unit 2 showing a perlitic textured volcanic rock with opaline silica veinlets, resulting in a pseudoclastic texture (interval 193-1188A-5R-1, 36-48 cm).

Figure F37. Close-up photograph of Unit 2 showing a perlitic textured volcanic rock with opaline silica veinlets, resulting in a pseudoclastic texture (interval 193-1188A-5R-1, 36-48 cm).