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 28 269 1 1 80.0 94.0 0.80 0.94 0.14 SILICEOUS PELAGIC MONOGENIC SOFT DIATOM Successful DIATOM OOZE DIATOM OOZE 0 95 5 QUATERNARY NO AGE GIVEN 28 269 1 1 94.0 150.0 0.94 1.50 0.56 SILICEOUS TRANSITIONAL MONOGENIC SOFT DIATOM CLAY MINERAL Successful CLAY MINERAL RICH MUDDY DIATOM OOZE SILTY CLAY DIATOM OOZE 0 60 40 QUATERNARY NO AGE GIVEN 28 269 1 2 0.0 90.0 1.50 2.40 0.90 SILICEOUS unk - 0000 SILICEOUS SEDIMENT. SILTY CLAY DIATOM OOZE AND DIATOM BEARING SILTY CLAY 0 0 0 QUATERNARY NO AGE GIVEN 28 269 1 2 90.0 150.0 2.40 3.00 0.60 SILICEOUS unk - 0000 SILICEOUS SEDIMENT. DIATOM OOZE 0 0 0 QUATERNARY NO AGE GIVEN 28 269 1 3 0.0 150.0 3.00 4.50 1.50 SILICEOUS PELAGIC MONOGENIC SOFT DIATOM TERRIGENOUS DETRITUS Successful TERRIGENOUS DETRITUS RICH DIATOM OOZE SILTY CLAY DIATOM OOZE 5 84 11 QUATERNARY NO AGE GIVEN 28 269 1 4 0.0 150.0 4.50 6.00 1.50 SILICEOUS TRANSITIONAL HETEROGENIC HARD DIATOM Precoded data DIATOM MUDSTONE DIATOM BEARING SILTY CLAY 25 40 11 QUATERNARY NO AGE GIVEN 28 269 1 5 0.0 25.0 6.00 6.25 0.25 SILICEOUS TRANSITIONAL HETEROGENIC HARD DIATOM Precoded data DIATOM MUDSTONE DIATOM BEARING CLAYEY SILT 25 40 11 QUATERNARY NO AGE GIVEN 1.31 83 25 28 269 1 5 25.0 56.0 6.25 6.56 0.31 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 4000 Precoded data SAND VERY FINE SAND 0 0 11 QUATERNARY NO AGE GIVEN 1.88 49 33 28 269 1 5 56.0 66.0 6.56 6.66 0.10 SILICEOUS TRANSITIONAL HETEROGENIC HARD DIATOM Precoded data DIATOM MUDSTONE DIATOM BEARING CLAYEY SILT 25 40 11 QUATERNARY NO AGE GIVEN 1.72 58 11 28 269 1 5 72.0 124.0 6.72 7.24 0.52 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS QUARTZ Successful QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD DIATOM BEARING CLAYEY SILT 0 5 95 QUATERNARY NO AGE GIVEN 1.61 65 56 28 269 1 5 124.0 130.0 7.24 7.30 0.06 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 4000 Precoded data SAND VERY FINE SAND 0 0 95 QUATERNARY NO AGE GIVEN 1.72 58 6 28 269 1 5 130.0 150.0 7.30 7.50 0.20 SILICEOUS TRANSITIONAL HETEROGENIC HARD DIATOM Precoded data DIATOM MUDSTONE DIATOM BEARING CLAYEY SILT 25 40 95 QUATERNARY NO AGE GIVEN 1.57 67 21 28 269 1 6 0.0 37.0 7.50 7.87 0.37 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL QUARTZ FELDSPAR Successful FELDSPAR RICH QUARTZ RICH MUD CLAYEY SILT 0 4 96 QUATERNARY NO AGE GIVEN 1.45 74 30 28 269 1 6 37.0 51.0 7.87 8.01 0.14 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 4000 Precoded data SAND FINE SAND 0 0 96 QUATERNARY NO AGE GIVEN 1.88 49 15 28 269 1 6 51.0 68.0 8.01 8.18 0.17 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS QUARTZ Successful QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD CLAYEY SILT 0 6 94 1.81 53 18 28 269 1 6 68.0 120.0 8.18 8.70 0.52 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 4000 Precoded data SAND SILTY SAND 0 0 94 1.56 68 55 28 269 1 6 120.0 144.0 8.70 8.94 0.24 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS QUARTZ Precoded data QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD CLAYEY SILT 0 0 94 1.76 56 26 28 269 1 CC 0.0 0.0 9.10 9.10 0.00 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 4000 TERRIGENOUS DETRITUS QUARTZ Successful QUARTZ RICH TERRIGENOUS DETRITUS RICH SAND SILTY SAND 0 4 96 28 269 2 1 101.0 150.0 47.01 47.50 0.49 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD SILTY CLAY 0 0 96 PLIOCENE NO AGE GIVEN 28 269 2 2 0.0 146.0 47.50 48.96 1.46 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD SILTY CLAY 0 0 96 PLIOCENE NO AGE GIVEN 1.51 71 148 28 269 2 3 0.0 82.0 49.00 49.82 0.82 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL QUARTZ Successful QUARTZ RICH CLAY MINERAL RICH MUD SILTY CLAY 0 9 92 PLIOCENE NO AGE GIVEN 1.60 66 84 28 269 2 3 82.0 88.0 49.82 49.88 0.06 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 4000 Precoded data SAND VERY FINE SAND 0 0 92 PLIOCENE NO AGE GIVEN 1.89 49 6 28 269 2 3 88.0 150.0 49.88 50.50 0.62 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS CLAY MINERAL Successful CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD DIATOM RICH SILTY CLAY 0 14 86 PLIOCENE NO AGE GIVEN 1.73 58 66 28 269 2 CC 0.0 0.0 50.60 50.60 0.00 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 4000 Precoded data SAND SILTY CLAY FINE SAND 0 0 86 PLIOCENE NO AGE GIVEN 28 269 3 1 30.0 150.0 93.80 95.00 1.20 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD CLAYEY SILT 0 0 86 PLIOCENE NO AGE GIVEN 1.45 74 120 28 269 3 2 0.0 150.0 95.00 96.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD CLAYEY SILT 0 0 86 PLIOCENE NO AGE GIVEN 1.52 71 158 28 269 3 3 0.0 138.0 96.50 97.88 1.38 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD CLAYEY SILT 0 0 86 PLIOCENE NO AGE GIVEN 1.52 70 132 28 269 3 CC 0.0 0.0 98.10 98.10 0.00 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE TERRIGENOUS DETRITUS CLAY MINERAL Successful CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH CLAY DIATOM BEARING CLAY 0 5 95 MIOCENE NO AGE GIVEN 28 269 4 1 48.0 150.0 141.48 142.50 1.02 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD CLAYEY SILT 0 0 95 UPPER MIOCENE NO AGE GIVEN 28 269 4 CC 0.0 0.0 142.60 142.60 0.00 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS MICA Successful MICA RICH TERRIGENOUS DETRITUS RICH MUD SILTY CLAY 0 2 98 UPPER MIOCENE NO AGE GIVEN 28 269 5 1 125.0 150.0 189.75 190.00 0.25 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL QUARTZ Successful QUARTZ RICH CLAY MINERAL RICH MUD CLAY 0 7 93 UPPER MIOCENE NO AGE GIVEN 28 269 5 CC 0.0 0.0 190.10 190.10 0.00 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL QUARTZ Successful QUARTZ RICH CLAY MINERAL RICH MUD DIATOM BEARING SILTY CLAY 0 8 92 UPPER MIOCENE NO AGE GIVEN 28 269 6 1 80.0 150.0 198.80 199.50 0.70 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE Precoded data CLAY CLAY 0 0 92 UPPER MIOCENE NO AGE GIVEN 28 269 6 2 0.0 150.0 199.50 201.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE Precoded data CLAY CLAY 0 0 92 UPPER MIOCENE NO AGE GIVEN 1.51 71 159 28 269 6 3 0.0 150.0 201.00 202.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 5000 QUARTZ Successful QUARTZ RICH SILT CLAY 0 4 96 UPPER MIOCENE NO AGE GIVEN 1.55 69 154 28 269 6 4 0.0 150.0 202.50 204.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD SILTY CLAY 0 0 96 UPPER MIOCENE NO AGE GIVEN 1.56 68 155 28 269 6 CC 0.0 0.0 204.10 204.10 0.00 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS CLAY MINERAL Successful CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD DIATOM RICH CLAY 0 22 78 UPPER MIOCENE NO AGE GIVEN 28 269 7 1 63.0 150.0 246.13 247.00 0.87 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM Successful DIATOM RICH CLAY MINERAL RICH MUDSTONE NANNO BEARING DIATOM SILTY CLAY 3 20 77 MIDDLE MIOCENE NO AGE GIVEN 28 269 7 2 0.0 65.0 247.00 247.65 0.65 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL DIATOM Precoded data DIATOM RICH NANNOFOSSIL OOZE DIATOM RICH CLAY NANNO OOZE 50 35 77 MIDDLE MIOCENE NO AGE GIVEN 1.39 78 58 28 269 7 2 65.0 145.0 247.65 248.45 0.80 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS CLAY MINERAL Successful CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD DIATOM BEARING SILTY CLAY 0 22 78 MIDDLE MIOCENE NO AGE GIVEN 1.57 67 85 28 269 7 3 0.0 150.0 248.50 250.00 1.50 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM TERRIGENOUS DETRITUS Successful TERRIGENOUS DETRITUS RICH DIATOM MUD SILTY CLAY 0 32 68 MIDDLE MIOCENE NO AGE GIVEN 1.55 69 158 28 269 7 CC 0.0 0.0 250.10 250.10 0.00 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM TERRIGENOUS DETRITUS Successful TERRIGENOUS DETRITUS RICH DIATOM MUD DIATOM SILTY CLAY 0 32 68 MIDDLE MIOCENE NO AGE GIVEN 28 269 8 1 129.0 150.0 294.29 294.50 0.21 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS QUARTZ Successful QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD DIATOM RICH CLAYEY SILT 0 22 78 MIDDLE MIOCENE NO AGE GIVEN 28 269 8 CC 0.0 0.0 294.60 294.60 0.00 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS CLAY MINERAL Successful CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD DIATOM BEARING SILTY CLAY 0 8 92 MIDDLE MIOCENE NO AGE GIVEN 28 269 9 1 32.0 150.0 331.32 332.50 1.18 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS CLAY MINERAL Successful CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD CLAY 0 7 93 LOWER MIOCENE NO AGE GIVEN 1.51 71 110 28 269 9 2 0.0 150.0 332.50 334.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS CLAY MINERAL Precoded data CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD CLAY 0 0 93 LOWER MIOCENE NO AGE GIVEN 1.58 67 159 28 269 9 3 0.0 150.0 334.00 335.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS QUARTZ Successful QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD CLAY 2 6 92 LOWER MIOCENE NO AGE GIVEN 1.56 68 154 28 269 9 4 0.0 92.0 335.50 336.42 0.92 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS CLAY MINERAL Successful CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD SILTY CLAY 0 2 98 LOWER MIOCENE NO AGE GIVEN 1.61 65 94 28 269 9 4 92.0 120.0 336.42 336.70 0.28 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS QUARTZ Successful QUARTZ RICH TERRIGENOUS DETRITUS RICH MUD SILT AND CLAYEY SILT 0 9 91 LOWER MIOCENE NO AGE GIVEN 1.69 60 30 28 269 9 4 120.0 150.0 336.70 337.00 0.30 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY CLAY 0 4 96 LOWER MIOCENE NO AGE GIVEN 1.58 67 31 28 269 9 5 0.0 150.0 337.00 338.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS CLAY MINERAL Successful CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUD CLAY AND SILTY CLAY 0 20 80 LOWER MIOCENE NO AGE GIVEN 1.66 62 158 28 269 9 CC 0.0 0.0 338.60 338.60 0.00 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM TERRIGENOUS DETRITUS Successful TERRIGENOUS DETRITUS RICH DIATOM MUD DIATOM CLAYEY SILT 0 32 68 LOWER MIOCENE NO AGE GIVEN 28 269 10 1 130.0 150.0 360.80 361.00 0.20 SILICEOUS PELAGIC MONOGENIC HARD unk - 0000 Precoded data CHERT CHERT 35 50 68 28 269 10 2 0.0 150.0 361.00 362.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD DRILLING BRECCIA THROUGHOUT 0 0 68 1.57 67 151 28 269 10 3 0.0 150.0 362.50 364.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD DRILLING BRECCIA 0 0 68 1.73 58 150 28 269 10 CC 0.0 0.0 364.10 364.10 0.00 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL TERRIGENOUS DETRITUS CLAY MINERAL Successful CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH MUDSTONE CHERT 0 3 97 28 269 11 1 120.0 150.0 389.20 389.50 0.30 DETRITAL TERRIGENOUS HETEROGENIC HARD ESTIMATED CARBONATE OTHER SILICEOUS Precoded data OTHER SILICEOUS RICH CLAYSTONE CHERTIFIED CLAYSTONE 0 0 97 28 269 11 2 0.0 58.0 389.50 390.08 0.58 DETRITAL TERRIGENOUS HETEROGENIC HARD ESTIMATED CARBONATE OTHER SILICEOUS Precoded data OTHER SILICEOUS RICH CLAYSTONE CLAYSTONE 0 0 97 1.71 59 52 28 269 11 2 58.0 63.0 390.08 390.13 0.05 SILICEOUS PELAGIC MONOGENIC HARD unk - 0000 Precoded data CHERT CHERT BLOCK 35 50 97 1.76 56 6 28 269 11 2 63.0 70.0 390.13 390.20 0.07 DETRITAL TERRIGENOUS HETEROGENIC HARD ESTIMATED CARBONATE OTHER SILICEOUS Precoded data OTHER SILICEOUS RICH CLAYSTONE CHERTIFIED CLAYSTONE 0 0 97 1.82 53 7 28 269 11 2 70.0 81.0 390.20 390.31 0.11 SILICEOUS PELAGIC MONOGENIC HARD unk - 0000 Precoded data CHERT CHERT BLOCK 35 50 97 1.79 54 12 28 269 11 2 92.0 96.0 390.42 390.46 0.04 DETRITAL TERRIGENOUS HETEROGENIC HARD ESTIMATED CARBONATE Precoded data CLAYSTONE CLAYSTONE 0 0 97 1.72 59 4