Sample Texture Mineral Biogenic Rock Comments Leg Site Hole Core Type Section Top (cm) Bottom (cm) Depth (mbsf) Lithology Mudstone Wackestone Packstone Grainstone Floatstone Rudstone Boundstone Sand Silt Clay Aragonite Calcite Dolomite Glauconite Opaques Phosphorite Pyrite Quartz Algae Benthic Forams Bivalves Bryozoa Diatoms Echinoid Spine Gastropod Nannofossils Ostracod Planktonic Forams Radiolarians Sponge Spicules Bioclasts Lithic Fragments Micrite 182 1127 B 55 X CC 1 4 507.71 - 507.75 D X * P P R P P C A calcedony fills in chambers; microcrystalline cement (silica) in interparticle porosity; calcite cement rimming interparticle.