Figure F30. Photomicrographs of (A) skeletal olivine in a glassy shard (Sample 200-1223A-3X-1, 112-114 cm; Unit 5; plane-polarized light) and (B) euhedral olivine in palagonitized glass in crystal vitric tuff (Sample 200-1223A-3X-2, 71-73 cm; Unit 5; plane-polarized light).