Size Siliciclastic and volcaniclastic composition Biogenic composition "Core, section, " Depth interval (cm) (mbsf) Described by Lithology (dominant/minor) Sand Silt Clay Quartz Feldspar Plagioclase Muscovite Biotite Glauconite Amphibole Pyroxene Rock fragments (sedimentary) Rock fragments (metamorphic) Rock fragments (basaltic) Volcanic glass Volcanic glass (brown) Volcanic glass (colorless) Accessory minerals Carbonate Calcite Dolomite Opaque (oxide) Opaque (sulfide) Fe oxides Clinoptilolite Phillipsite Other Clay Nannofossils Foraminifers Diatoms Radiolarians Sponge spicules Shell debris Organic material Bioclasts Fish debris Unidentified/Other Sediment or rock name 180-1110A- "1H-1, 4" 0.04 TS D r c a r r r r c a c r r Silty clay nannofossil ooze "1H-1, 40" 0.4 TS D r c a r r r r r a c r Silty clay nannofossil ooze "1H-1, 100" 1 TS D r c a r r r r r r c a r r Silty nannofossil ooze "1H-1, 110" 1.1 TS M c c r r r r r r r c c c r Fine-grained sandstone "1H-3, 24" 3.24 TS M c c r r c r r r c r Fine-grained sandstone "1H-3, 145" 4.45 TS D c a r r r r r c c a c r Silty clay nannofossil ooze "1H-4, 127" 5.77 AR D c a c c r r r a r r r c c r Silt "1H-5, 20" 6.2 AR D r a c a c r c r a c c c c Calcareous clayey silt "1H-5, 30" 6.3 AR M r a c c r r r a r r r r r r Glass-rich clay "1H-5, 50" 6.5 AR M r a c c r r r a r c c r Glass-rich silt "2H-1, 25" 7.25 TS M r c c r c r r a r c c c r Volcaniclastic silt "2H-1, 62" 7.62 AR M a c r r r r r c a r Foraminifer-rich sand "2H-1, 123" 8.23 AR M c a r c r r a c a c c r Silt "2H-1, 129" 8.29 AR M r a c c c r r a a r r Silt with foraminifers "2H-1, 140" 8.4 AR D r a c c r r c r c r r r r Note: a = abundant (51%-100%); c = common (11%-50%); r= rare (1%-10%).