Figure F40. Photomicrographs of (A) anhedral olivine clasts (colorless) and palagonitized glass shards in the palagonitized crystal vitric tuff and (B) fresh subhedral olivine in a palagonitized glass shard in the palagonitized crystal vitric tuff (Sample 200-1223A-6X-3, 86-89 cm; Subunit 11B; plane-polarized light).