Figure F23. Photomicrograph showing a typical carbonate lithology from Subunit VIA (Sample 194-1193A-65X-CC, 13 cm; 407.3 mbsf). This grainstone contains benthic (B) and rare planktonic foraminifers and subordinate fragments of bryozoans and echinoderms (E). Minor quartz sand (Q) and glauconite are also present. Most interparticle pore space has been lost through compaction.