Vibracore 20V1, Leeward coast

Uniform succession of vaguely-laminated to bioturbated, medium-grained, algal/coral/foraminiferal carbonate sand: massive appearing (no obvious sedimentary structures) owing probably to extensive bioturbation; light olive to olive gray (5Y6/1-4/1); moderate sorting (1-3% scattered shell fragments); sand size clasts subangular to rounded; composed mainly of a mix of calcareous algae (37.0-38.5%), coral fragments (27.0-31.0%) and foraminifera (20.0-22.5%) with common carbonate rock fragments (3.0-4.5%) and volcanic rock fragments (2.0-4.5%); minor echinoid fragments (1.5-4.0%), mollusks (0.5-3.0%) and Halimeda (0.5-1.5%).