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 67 499 B 1 CC 0.0 13.0 201.10 201.23 0.13 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM Successful DIATOM RICH CLAY MINERAL RICH MUD BIOGENIC MUD 0 19 81 MIDDLE MIOCENE LOWER MIOCENE NO AGE GIVEN 67 499 B 1 CC 13.0 16.0 201.13 201.16 0.03 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL CARBONATE Successful CARBONATE RICH NANNOFOSSIL OOZE NANNOFOSSIL OOZE 98 4 0 MIDDLE MIOCENE LOWER MIOCENE NO AGE GIVEN 67 499 B 2 1 0.0 68.0 210.50 211.18 0.68 CALCAREOUS PELAGIC MONOGENIC unk - 0000 CALCAREOUS OOZE. NANNOFOSSIL OOZE 0 0 0 MIDDLE MIOCENE LOWER MIOCENE NO AGE GIVEN 1.39 78 33 67 499 B 2 1 68.0 150.0 211.18 212.00 0.82 CALCAREOUS PELAGIC MONOGENIC FIRM unk - 0000 CARBONATE NANNOFOSSIL Successful NANNOFOSSIL RICH CARBONATE RICH CHALK NANNOFOSSIL CHALK 90 1 9 LOWER MIOCENE NO AGE GIVEN 1.54 70 80 67 499 B 2 2 0.0 80.0 212.00 212.80 0.80 CALCAREOUS PELAGIC MONOGENIC unk - 0000 CALCAREOUS OOZE. NANNOFOSSIL CHALK 62 0 0 LOWER MIOCENE NO AGE GIVEN 1.54 69 8 67 499 B 3 1 0.0 75.0 220.00 220.75 0.75 CALCAREOUS PELAGIC MONOGENIC unk - 0000 CALCAREOUS OOZE. NANNOFOSSIL OOZE 0 0 0 LOWER MIOCENE NO AGE GIVEN 67 499 B 3 1 75.0 150.0 220.75 221.50 0.75 CALCAREOUS PELAGIC MONOGENIC unk - 0000 CALCAREOUS OOZE. NANNOFOSSIL CHALK 0 0 0 LOWER MIOCENE NO AGE GIVEN 67 499 B 3 2 0.0 120.0 221.50 222.70 1.20 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL CARBONATE Successful CARBONATE RICH NANNOFOSSIL OOZE NANNOFOSSIL OOZE 90 5 5 LOWER MIOCENE NO AGE GIVEN 1.59 67 87 67 499 B 3 3 0.0 150.0 223.00 224.50 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL CARBONATE CARBONATE RICH NANNOFOSSIL OOZE NANNOFOSSIL CHALK 79 0 0 LOWER MIOCENE NO AGE GIVEN 1.58 67 144 67 499 B 3 4 0.0 140.0 224.50 225.90 1.40 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL CARBONATE CARBONATE RICH NANNOFOSSIL OOZE NANNOFOSSIL OOZE 0 0 0 LOWER MIOCENE NO AGE GIVEN 1.60 66 127 67 499 B 3 5 0.0 76.0 226.00 226.76 0.76 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL CARBONATE CARBONATE RICH NANNOFOSSIL OOZE NANNOFOSSIL CHALK 0 0 0 LOWER MIOCENE NO AGE GIVEN 67 499 B 4 1 0.0 150.0 229.50 231.00 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL CARBONATE Successful CARBONATE RICH NANNOFOSSIL OOZE NANNOFOSSIL CHALK 92 9 0 LOWER MIOCENE NO AGE GIVEN 1.64 63 140 67 499 B 5 1 0.0 25.0 239.00 239.25 0.25 CALCAREOUS PELAGIC MONOGENIC unk - 0000 CALCAREOUS OOZE. NANNOFOSSIL CHALK 0 0 0 LOWER MIOCENE NO AGE GIVEN 67 499 B 5 CC 0.0 4.0 239.35 239.39 0.04 CALCAREOUS PELAGIC MONOGENIC unk - 0000 CALCAREOUS OOZE. NANNO CHALK 0 0 0 LOWER MIOCENE NO AGE GIVEN 67 499 B 6 1 0.0 121.0 248.50 249.71 1.21 CALCAREOUS PELAGIC MONOGENIC unk - 0000 CALCAREOUS OOZE. NANNOFOSSIL CHALK 87 0 0 LOWER MIOCENE NO AGE GIVEN 1.58 67 89 67 499 B 7 CC 0.0 7.0 258.10 258.17 0.07 CALCAREOUS PELAGIC MONOGENIC FIRM CARBONATE NANNOFOSSIL Successful NANNOFOSSIL RICH CARBONATE CHALK NANNOFOSSIL CHALK 95 7 0 LOWER MIOCENE NO AGE GIVEN 67 499 B 8 1 0.0 150.0 267.50 269.00 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM CARBONATE NANNOFOSSIL Successful NANNOFOSSIL RICH CARBONATE CHALK NANNOFOSSIL CHALK 101 0 0 LOWER MIOCENE NO AGE GIVEN 1.82 53 141 67 499 B 8 2 0.0 120.0 269.00 270.20 1.20 CALCAREOUS PELAGIC MONOGENIC FIRM ESTIMATED CARBONATE CHALK. NANNOFOSSIL CHALK 0 0 0 LOWER MIOCENE NO AGE GIVEN 1.85 51 87 67 499 B 8 3 0.0 142.0 270.50 271.92 1.42 CALCAREOUS PELAGIC MONOGENIC FIRM ESTIMATED CARBONATE CHALK. NANNOFOSSIL CHALK 0 0 0 LOWER MIOCENE NO AGE GIVEN 1.83 52 126 67 499 B 8 4 0.0 61.0 272.00 272.61 0.61 CALCAREOUS PELAGIC MONOGENIC FIRM ESTIMATED CARBONATE CHALK. NANNOFOSSIL CHALK 94 0 0 LOWER MIOCENE NO AGE GIVEN 67 499 B 8 CC 0.0 25.0 272.71 272.96 0.25 CALCAREOUS PELAGIC MONOGENIC FIRM ESTIMATED CARBONATE CHALK. NANNOFOSSIL CHALK 0 0 0 LOWER MIOCENE NO AGE GIVEN 67 499 B 9 1 0.0 21.0 277.00 277.21 0.21 CALCAREOUS PELAGIC MONOGENIC FIRM ESTIMATED CARBONATE CHALK. NANNOFOSSIL OOZE 0 0 0 LOWER MIOCENE NO AGE GIVEN 67 499 B 9 CC 0.0 5.0 277.32 277.37 0.05 CALCAREOUS PELAGIC MONOGENIC FIRM ESTIMATED CARBONATE CHALK. NANNOFOSSIL OOZE 0 0 0 LOWER MIOCENE NO AGE GIVEN 67 499 B 9 CC 5.0 34.0 277.27 277.56 0.29 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL CARBONATE Successful CARBONATE RICH NANNOFOSSIL CHALK NANNOFOSSIL CHALK 99 0 1 LOWER MIOCENE NO AGE GIVEN