leg site hole core section top interval depth (cm) bottom interval depth (cm) top of layer (m) bottom of layer(m) thickness of layer(m) lithology source heterogeneity hardness comp1 comp2 comp3 comp4 comp5 processing history flag lithology name from screen program lithology name from shipboard observer avg. calcareous material avg. siliceous material avg. detrital material age mnemonic at top of layer age mnemonic at bottom of layer age code(interpreted) avg density from g.r.a.p.e. avg porosity from g.r.a.p.e. number of g.r.a.p.e. measurements 57 441 1 1 10.0 140.0 0.10 1.40 1.30 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE Precoded data CLAY CLAY 0 0 87 PLEISTOCENE NO AGE GIVEN 1.43 76 115 57 441 1 2 0.0 140.0 1.50 2.90 1.40 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE Precoded data CLAY CLAY 0 0 87 PLEISTOCENE NO AGE GIVEN 1.51 71 129 57 441 1 CC 0.0 12.0 3.00 3.12 0.12 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE Precoded data CLAY CLAY 0 0 87 PLEISTOCENE NO AGE GIVEN 57 441 2 1 0.0 150.0 7.00 8.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE DIATOM Precoded data DIATOM RICH CLAY SILTY DIATOMACEOUS CLAY 0 0 87 UPPER PLIOCENE NO AGE GIVEN 1.47 74 154 57 441 2 2 0.0 135.0 8.50 9.85 1.35 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE DIATOM Precoded data DIATOM RICH CLAY DIATOMACEOUS CLAY 0 0 87 UPPER PLIOCENE NO AGE GIVEN 1.31 83 129 57 441 2 3 15.0 150.0 10.15 11.50 1.35 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE DIATOM Precoded data DIATOM RICH CLAY DIATOMACEOUS CLAY 0 0 87 UPPER PLIOCENE NO AGE GIVEN 1.41 77 144 57 441 2 4 0.0 150.0 11.50 13.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE DIATOM Precoded data DIATOM RICH CLAY SILTY DIATOMACEOUS CLAY 0 0 87 UPPER PLIOCENE NO AGE GIVEN 1.31 83 153 57 441 2 5 5.0 105.0 13.05 14.05 1.00 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE DIATOM Precoded data DIATOM RICH CLAY DIATOMACEOUS CLAY 0 0 87 UPPER PLIOCENE NO AGE GIVEN 1.44 75 57 57 441 2 CC 0.0 6.0 14.15 14.21 0.06 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL Successful CLAY MINERAL RICH DIATOM MUD DIATOMACEOUS CLAY 1 36 63 UPPER PLIOCENE NO AGE GIVEN 57 441 3 CC 0.0 25.0 16.60 16.85 0.25 SILICEOUS TRANSITIONAL HETEROGENIC HARD DIATOM CLAY MINERAL Successful CLAY MINERAL RICH DIATOM MUDSTONE DIATOMACEOUS CLAY 1 38 61 UPPER PLIOCENE NO AGE GIVEN 57 441 4 CC 0.0 14.0 26.10 26.24 0.14 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL Successful CLAY MINERAL RICH DIATOM MUD DIATOMACEOUS CLAY 0 39 61 UPPER PLIOCENE NO AGE GIVEN 57 441 5 CC 0.0 0.0 83.10 83.10 0.00 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 9000 Precoded data CLASTIC SEDIMENT PEBBLE 0 0 61 UPPER PLIOCENE NO AGE GIVEN 57 441 6 CC 0.0 15.0 92.60 92.75 0.15 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL DIATOM CLAY MINERAL Precoded data CLAY MINERAL RICH DIATOM RICH MUD DIATOMACEOUS CLAY 0 0 61 UPPER PLIOCENE NO AGE GIVEN 57 441 7 1 34.0 150.0 149.84 151.00 1.16 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM Successful DIATOM RICH CLAY MINERAL RICH MUD DIATOMACEOUS CLAY 1 28 71 UPPER PLIOCENE NO AGE GIVEN 1.35 80 116 57 441 7 2 0.0 37.0 151.00 151.37 0.37 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM DIATOM RICH CLAY MINERAL RICH MUD DIATOMACEOUS CLAY 0 22 78 UPPER PLIOCENE NO AGE GIVEN 57 441 7 CC 0.0 14.0 151.47 151.61 0.14 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM DIATOM RICH CLAY MINERAL RICH MUD DIATOMACEOUS CLAY 0 0 0 UPPER PLIOCENE NO AGE GIVEN 57 441 8 1 0.0 150.0 206.50 208.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM Successful DIATOM RICH CLAY MINERAL RICH MUD DIATOMACEOUS CLAY 1 30 69 UPPER PLIOCENE NO AGE GIVEN 1.42 76 143 57 441 8 2 0.0 24.0 208.00 208.24 0.24 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM Successful DIATOM RICH CLAY MINERAL RICH MUD DIATOMACEOUS CLAY 1 27 72 UPPER PLIOCENE NO AGE GIVEN 57 441 8 CC 0.0 20.0 208.40 208.60 0.20 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM DIATOM RICH CLAY MINERAL RICH MUD DIATOMACEOUS CLAY 0 0 0 UPPER PLIOCENE NO AGE GIVEN 57 441 9 1 0.0 150.0 263.50 265.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM Successful DIATOM RICH CLAY MINERAL RICH MUD DRILL CUTTINGS 1 19 80 LOWER PLIOCENE NO AGE GIVEN 1.43 76 144 57 441 9 2 5.0 150.0 265.05 266.50 1.45 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM Successful DIATOM RICH CLAY MINERAL RICH MUDSTONE DIATOMACEOUS CLAYSTONE 2 17 81 LOWER PLIOCENE NO AGE GIVEN 1.33 82 153 57 441 9 3 0.0 50.0 266.50 267.00 0.50 SILICEOUS TRANSITIONAL HETEROGENIC HARD DIATOM CLAY MINERAL Successful CLAY MINERAL RICH DIATOM MUDSTONE CLAYEY DIATOMITE 1 45 54 LOWER PLIOCENE NO AGE GIVEN 57 441 9 CC 0.0 20.0 267.10 267.30 0.20 SILICEOUS TRANSITIONAL MONOGENIC HARD DIATOM CLAY MINERAL Precoded data CLAY MINERAL RICH MUDDY DIATOM CHERT CLAYEY DIATOMITE 25 40 54 LOWER PLIOCENE NO AGE GIVEN