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 59 448 A 1 1 0.0 150.0 0.00 1.50 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL Successful NANNOFOSSIL OOZE OOZE 93 0 8 MIDDLE MIOCENE NO AGE GIVEN 1.39 78 158 59 448 A 1 2 0.0 150.0 1.50 3.00 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL NANNOFOSSIL OOZE OOZE 0 0 0 MIDDLE MIOCENE NO AGE GIVEN 1.48 73 159 59 448 A 1 3 0.0 150.0 3.00 4.50 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL Successful NANNOFOSSIL OOZE OOZE 98 0 2 MIDDLE MIOCENE NO AGE GIVEN 1.47 73 158 59 448 A 1 4 0.0 150.0 4.50 6.00 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL CALCAREOUS OOZE. OOZE 0 0 0 MIDDLE MIOCENE NO AGE GIVEN 1.51 71 159 59 448 A 1 5 0.0 150.0 6.00 7.50 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL CARBONATE Successful CARBONATE RICH NANNOFOSSIL OOZE OOZE (NANNO) 97 0 3 MIDDLE MIOCENE NO AGE GIVEN 1.54 69 159 59 448 A 1 6 0.0 96.0 7.50 8.46 0.96 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL CALCAREOUS OOZE. MUD 0 0 0 MIDDLE MIOCENE NO AGE GIVEN 1.52 70 102 59 448 A 1 6 96.0 150.0 8.46 9.00 0.54 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL Successful NANNOFOSSIL OOZE OOZE 88 11 1 MIDDLE MIOCENE NO AGE GIVEN 1.48 73 57 59 448 A 1 7 0.0 30.0 9.00 9.30 0.30 CALCAREOUS PELAGIC MONOGENIC unk - 0000 CALCAREOUS OOZE. OOZE 0 0 0 MIDDLE MIOCENE NO AGE GIVEN 59 448 A 1 CC 0.0 20.0 9.40 9.60 0.20 CALCAREOUS PELAGIC MONOGENIC unk - 0000 CALCAREOUS OOZE. OOZE 0 0 0 MIDDLE MIOCENE NO AGE GIVEN 59 448 A 2 1 0.0 150.0 33.50 35.00 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Successful NANNOFOSSIL CHALK OOZE 77 10 13 LOWER MIOCENE NO AGE GIVEN 1.58 67 159 59 448 A 2 2 0.0 150.0 35.00 36.50 1.50 CALCAREOUS PELAGIC MONOGENIC unk - 0000 CALCAREOUS OOZE. OOZE 0 0 0 LOWER MIOCENE NO AGE GIVEN 1.54 69 159 59 448 A 2 3 0.0 150.0 36.50 38.00 1.50 CALCAREOUS PELAGIC MONOGENIC unk - 0000 CALCAREOUS OOZE. OOZE 0 0 0 LOWER MIOCENE NO AGE GIVEN 1.56 68 159 59 448 A 2 4 0.0 150.0 38.00 39.50 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL FORAMINIFERA Successful FORAMINIFERA RICH NANNOFOSSIL OOZE OOZE 79 9 12 LOWER MIOCENE NO AGE GIVEN 1.53 70 159 59 448 A 2 5 0.0 150.0 39.50 41.00 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL FORAMINIFERA FORAMINIFERA RICH NANNOFOSSIL OOZE OOZE 0 0 0 LOWER MIOCENE NO AGE GIVEN 1.54 69 159 59 448 A 2 6 0.0 150.0 41.00 42.50 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL FORAMINIFERA Successful FORAMINIFERA RICH NANNOFOSSIL OOZE OOZE 79 14 7 LOWER MIOCENE NO AGE GIVEN 1.55 69 159 59 448 A 2 7 0.0 44.0 42.50 42.94 0.44 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL FORAMINIFERA GLASS Successful GLASS RICH FORAMINIFERA RICH NANNOFOSSIL OOZE OOZE 74 5 21 LOWER MIOCENE NO AGE GIVEN 59 448 A 2 CC 0.0 20.0 43.05 43.25 0.20 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL CALCAREOUS OOZE. OOZE 0 0 0 LOWER MIOCENE NO AGE GIVEN 59 448 A 3 1 0.0 150.0 62.00 63.50 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL Successful NANNOFOSSIL OOZE OOZE 79 15 6 LOWER MIOCENE NO AGE GIVEN 1.60 65 159 59 448 A 3 2 0.0 150.0 63.50 65.00 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL NANNOFOSSIL OOZE OOZE 0 0 0 LOWER MIOCENE NO AGE GIVEN 1.60 65 159 59 448 A 3 3 0.0 150.0 65.00 66.50 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL Successful NANNOFOSSIL OOZE OOZE 86 11 3 LOWER MIOCENE NO AGE GIVEN 1.61 65 158 59 448 A 3 4 0.0 150.0 66.50 68.00 1.50 CALCAREOUS unk - 0000 CALCAREOUS SEDIMENT. OOZE 0 0 0 LOWER MIOCENE NO AGE GIVEN 1.60 65 158 59 448 A 3 5 0.0 150.0 68.00 69.50 1.50 CALCAREOUS TRANSITIONAL HETEROGENIC SOFT NANNOFOSSIL CARBONATE GLASS Successful GLASS RICH CARBONATE RICH MARLY NANNOFOSSIL OOZE OOZE 46 3 51 LOWER MIOCENE NO AGE GIVEN 1.61 65 159 59 448 A 3 6 0.0 150.0 69.50 71.00 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL Successful NANNOFOSSIL OOZE OOZE 89 10 1 LOWER MIOCENE NO AGE GIVEN 1.62 64 159 59 448 A 3 7 0.0 17.0 71.00 71.17 0.17 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL NANNOFOSSIL OOZE OOZE 0 0 0 LOWER MIOCENE NO AGE GIVEN 59 448 A 3 CC 0.0 20.0 71.27 71.47 0.20 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL NANNOFOSSIL OOZE OOZE 0 0 0 LOWER MIOCENE NO AGE GIVEN 59 448 A 4 1 0.0 150.0 71.50 73.00 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL Successful NANNOFOSSIL OOZE OOZE 78 12 10 LOWER MIOCENE NO AGE GIVEN 1.58 67 156 59 448 A 4 2 0.0 150.0 73.00 74.50 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL NANNOFOSSIL OOZE OOZE 0 0 0 UPPER OLIGOCENE NO AGE GIVEN 1.61 65 159 59 448 A 4 3 0.0 150.0 74.50 76.00 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL Successful NANNOFOSSIL OOZE OOZE 78 11 11 UPPER OLIGOCENE NO AGE GIVEN 1.64 63 159 59 448 A 4 4 0.0 150.0 76.00 77.50 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL Precoded data NANNOFOSSIL OOZE OOZE 50 35 11 UPPER OLIGOCENE NO AGE GIVEN 1.65 63 159 59 448 A 4 5 0.0 150.0 77.50 79.00 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL Precoded data NANNOFOSSIL OOZE OOZE 50 35 11 UPPER OLIGOCENE NO AGE GIVEN 1.63 64 158 59 448 A 4 6 0.0 112.0 79.00 80.12 1.12 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL Precoded data NANNOFOSSIL OOZE OOZE 50 35 11 UPPER OLIGOCENE NO AGE GIVEN 1.63 64 118 59 448 A 4 6 112.0 126.0 80.12 80.26 0.14 DETRITAL TERRIGENOUS MONOGENIC SOFT UNIDENTIFIED MATERIAL Precoded data ASH PUMICE AND ASH 0 0 11 UPPER OLIGOCENE NO AGE GIVEN 1.52 70 15 59 448 A 4 6 126.0 150.0 80.26 80.50 0.24 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL Successful NANNOFOSSIL OOZE OOZE 89 12 0 UPPER OLIGOCENE NO AGE GIVEN 1.59 66 25 59 448 A 4 7 0.0 20.0 80.50 80.70 0.20 CALCAREOUS PELAGIC MONOGENIC SOFT unk - 0000 Precoded data CALCAREOUS OOZE OOZE 50 35 0 UPPER OLIGOCENE NO AGE GIVEN 59 448 A 4 CC 0.0 20.0 80.80 81.00 0.20 CALCAREOUS PELAGIC MONOGENIC SOFT unk - 0000 Precoded data CALCAREOUS OOZE OOZE 50 35 0 UPPER OLIGOCENE NO AGE GIVEN 59 448 A 5 1 0.0 46.0 223.50 223.96 0.46 DETRITAL TERRIGENOUS MONOGENIC HARD UNIDENTIFIED MATERIAL Precoded data TUFF VITRIC TUFF 0 0 0 UPPER OLIGOCENE MIDDLE OLIGOCENE NO AGE GIVEN 59 448 A 5 CC 0.0 20.0 224.06 224.26 0.20 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL GLASS FELDSPAR Successful FELDSPAR RICH GLASS RICH MUDSTONE TUFFACEOUS SILTSTONE 2 0 98 UPPER OLIGOCENE MIDDLE OLIGOCENE NO AGE GIVEN 59 448 A 6 1 0.0 141.0 252.00 253.41 1.41 DETRITAL TERRIGENOUS MONOGENIC SOFT UNIDENTIFIED MATERIAL Precoded data ASH ASH 0 0 98 MIDDLE OLIGOCENE NO AGE GIVEN 1.40 78 121 59 448 A 6 2 0.0 150.0 253.50 255.00 1.50 DETRITAL TERRIGENOUS MONOGENIC HARD UNIDENTIFIED MATERIAL Precoded data TUFF TUFF 0 0 98 MIDDLE OLIGOCENE NO AGE GIVEN 1.41 77 151 59 448 A 6 3 0.0 64.0 255.00 255.64 0.64 CALCAREOUS PELAGIC MONOGENIC HARD NANNOFOSSIL Successful INDURATED NANNOFOSSIL CHALK TUFF 96 4 0 MIDDLE OLIGOCENE NO AGE GIVEN 59 448 A 6 CC 0.0 8.0 255.74 255.82 0.08 DETRITAL TERRIGENOUS MONOGENIC HARD UNIDENTIFIED MATERIAL Precoded data TUFF TUFF 0 0 0 MIDDLE OLIGOCENE NO AGE GIVEN 59 448 A 7 1 0.0 124.0 261.50 262.74 1.24 DETRITAL TERRIGENOUS MONOGENIC HARD UNIDENTIFIED MATERIAL TUFF NANNO CHALK AND TUFF 0 1 100 MIDDLE OLIGOCENE NO AGE GIVEN 59 448 A 7 5 88.0 150.0 268.38 269.00 0.62 DETRITAL TERRIGENOUS MONOGENIC HARD UNIDENTIFIED MATERIAL Precoded data TUFF TUFF 0 0 100 MIDDLE OLIGOCENE NO AGE GIVEN 59 448 A 7 6 5.0 131.0 269.05 270.31 1.26 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Successful NANNOFOSSIL CHALK CHALK 94 1 5 MIDDLE OLIGOCENE NO AGE GIVEN 59 448 A 7 CC 15.0 25.0 270.46 270.56 0.10 CALCAREOUS PELAGIC MONOGENIC FIRM unk - 0000 Precoded data CHALK CHALK 50 35 5 MIDDLE OLIGOCENE NO AGE GIVEN 59 448 A 8 1 0.0 150.0 271.00 272.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL GLASS NANNOFOSSIL Successful NANNOFOSSIL RICH GLASS RICH MUD CHALK 23 0 77 MIDDLE OLIGOCENE NO AGE GIVEN 59 448 A 8 2 0.0 150.0 272.50 274.00 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM unk - 0000 Precoded data CHALK CHALK 50 35 77 MIDDLE OLIGOCENE NO AGE GIVEN 59 448 A 8 6 5.0 150.0 278.55 280.00 1.45 CALCAREOUS PELAGIC MONOGENIC FIRM unk - 0000 Precoded data CHALK CHALK 50 35 77 MIDDLE OLIGOCENE NO AGE GIVEN 59 448 A 8 CC 5.0 19.0 280.05 280.19 0.14 CALCAREOUS PELAGIC MONOGENIC FIRM unk - 0000 Precoded data CHALK CHALK 50 35 77 MIDDLE OLIGOCENE NO AGE GIVEN 59 448 A 9 1 0.0 38.0 280.50 280.88 0.38 CALCAREOUS PELAGIC MONOGENIC FIRM unk - 0000 Precoded data CHALK CHALK 50 35 77 MIDDLE OLIGOCENE NO AGE GIVEN 59 448 A 9 CC 0.0 21.0 280.98 281.19 0.21 CALCAREOUS PELAGIC MONOGENIC FIRM unk - 0000 Precoded data CHALK INTERBEDDED CHALK AND ASH 50 35 77 MIDDLE OLIGOCENE NO AGE GIVEN