Site 1031 Sample Texture Mineral Constituents Biogenic Constituents Hole Core Section Interval Depth (mbsf) Lithology Sand Silt Clay Quartz Feldspars Rock Fragments Muscovite Biotite Chlorite Volcanic Glass Calcite Amphibole Pyroxene Zeolite Clay Opaques Iron Oxides Pyrite Zircon Apatite Sphene Other Foraminifers Nannofossils Diatoms Radiolarians Sponge Spicules Bioclasts Plant Debris A 1 1 50 0.5 D 5 20 75 C M M R R D T C R T T R A 1 3 81 3.81 D 0 20 80 C M R R R D T R T T A 1 3 96 3.96 D 0 20 80 M M T R R D T R T T A 2 1 50 9.3 D 0 20 80 M M T T R D T R T T A 2 2 85 11.15 M 5 70 25 R T T T M T R D R A 2 3 140 13.2 D 40 30 30 A C C R R M T R A 2 5 80 15.6 D 0 40 60 C M R R A T R C T R A 3 2 98 20.78 D 5 35 60 C M M R D T T M R A 3 3 104 22.34 D 5 35 60 M M R R R C T R D M A 3 3 124 22.54 D 10 30 60 M R R R C T M D C A 4 1 100 28.8 D 5 30 65 C C R C R D T R M M A 4 4 87 33.17 M 5 65 35 M M R M R D C T T T A 4 4 118 33.48 D 20 40 40 T M M C D C A 4 6 40 35.7 D 5 30 65 C R R R D T C T A 5 3 11 40.41 M 0 20 80 M R M D M T A 5 3 26 40.56 M 0 60 40 D C C A 5 3 37 40.67 M 40 30 30 C M A R A T Note: See Site 1023 for key to abbreviations.