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 67 498 A 1 1 80.0 143.0 32.30 32.93 0.63 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD DIATOM MUD 0 0 79 QUATERNARY NO AGE GIVEN 67 498 A 1 CC 0.0 18.0 33.05 33.23 0.18 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL Successful CLAY MINERAL RICH MUD DIATOM MUD 0 16 84 QUATERNARY NO AGE GIVEN 67 498 A 2 1 0.0 150.0 98.00 99.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC SEDIMENT. DIATOMACEOUS MUD 0 0 0 QUATERNARY NO AGE GIVEN 1.31 83 122 67 498 A 2 CC 0.0 25.0 99.60 99.85 0.25 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM Successful DIATOM RICH CLAY MINERAL RICH MUD DIATOMACEOUS MUD 2 24 74 QUATERNARY NO AGE GIVEN 67 498 A 3 1 110.0 150.0 156.10 156.50 0.40 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC SEDIMENT. DIATOMACEOUS MUD 0 0 0 QUATERNARY NO AGE GIVEN 67 498 A 3 CC 16.0 36.0 156.66 156.86 0.20 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC SEDIMENT. DIATOMACEOUS MUD 0 0 0 QUATERNARY NO AGE GIVEN 67 498 A 4 1 0.0 150.0 202.50 204.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL CARBONATE Successful CARBONATE RICH CLAY MINERAL RICH MUD MUDSTONE 16 14 71 LOWER QUATERNARY NO AGE GIVEN 1.32 83 139 67 498 A 4 CC 0.0 32.0 204.10 204.42 0.32 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC SEDIMENT. MUDSTONE 0 0 0 LOWER QUATERNARY NO AGE GIVEN 67 498 A 5 1 0.0 150.0 212.00 213.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM Successful DIATOM RICH CLAY MINERAL RICH MUD DIATOMACEOUS MUD 5 24 71 LOWER QUATERNARY NO AGE GIVEN 1.58 67 145 67 498 A 5 2 0.0 150.0 213.50 215.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. DIATOMACEOUS MUD AND MUDSTONE 0 0 0 PLIOCENE NO AGE GIVEN 1.66 62 143 67 498 A 5 3 0.0 150.0 215.00 216.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. DIATOMACEOUS MUD AND MUDSTONE 1 0 0 PLIOCENE NO AGE GIVEN 1.52 70 137 67 498 A 5 4 0.0 139.0 216.50 217.89 1.39 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. BIOGENIC MUD 0 0 0 PLIOCENE NO AGE GIVEN 1.51 71 98 67 498 A 5 5 0.0 121.0 218.00 219.21 1.21 DETRITAL TERRIGENOUS HETEROGENIC SOFT OTHER SILICEOUS CLAY MINERAL Successful CLAY MINERAL RICH SANDY MUD HEMIPELAGIC MUD 4 2 94 PLIOCENE NO AGE GIVEN 67 498 A 5 6 0.0 150.0 219.50 221.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT OTHER SILICEOUS CLASTIC SEDIMENT. CALCAREOUS MUD 0 7 93 PLIOCENE NO AGE GIVEN 1.59 66 141 67 498 A 5 CC 0.0 25.0 221.10 221.35 0.25 DETRITAL TERRIGENOUS HETEROGENIC SOFT OTHER SILICEOUS Precoded data SANDY MUD SANDY MUD 0 0 93 PLIOCENE NO AGE GIVEN 67 498 A 6 CC 0.0 10.0 221.60 221.70 0.10 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD BIOGENIC MUD 0 0 93 67 498 A 7 1 0.0 150.0 231.00 232.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD BIOGENIC MUD 0 0 93 MIOCENE NO AGE GIVEN 67 498 A 7 2 0.0 150.0 232.50 234.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD BIOGENIC MUD 0 0 93 MIOCENE NO AGE GIVEN 1.56 68 145 67 498 A 7 3 0.0 150.0 234.00 235.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL QUARTZ Successful QUARTZ RICH CLAY MINERAL RICH MUD HEMITERRIGENOUS MUD 1 7 93 MIOCENE NO AGE GIVEN 1.59 66 144 67 498 A 7 4 0.0 113.0 235.50 236.63 1.13 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL Successful CLAY MINERAL RICH MUD HEMITERRIGENOUS MUD 1 6 93 MIOCENE NO AGE GIVEN 1.58 67 68 67 498 A 7 CC 0.0 35.0 236.73 237.08 0.35 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL Successful CLAY MINERAL RICH MUD HEMITERRIGENOUS MUD 5 5 90 MIOCENE NO AGE GIVEN 67 498 A 8 1 0.0 84.0 240.50 241.34 0.84 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL GLASS Successful GLASS RICH CLAY MINERAL RICH MUD MUDSTONE AND MUD 2 0 98 MIOCENE NO AGE GIVEN 67 498 A 8 1 101.0 148.0 241.51 241.98 0.47 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD MUDSTONE AND MUD 0 0 98 MIOCENE NO AGE GIVEN 67 498 A 8 2 0.0 84.0 242.00 242.84 0.84 CALCAREOUS PELAGIC MONOGENIC FIRM CARBONATE Successful CARBONATE CHALK MUDSTONE AND MUD 97 1 2 MIOCENE NO AGE GIVEN 67 498 A 8 2 100.0 150.0 243.00 243.50 0.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD MUDSTONE AND MUD 0 0 2 MIOCENE NO AGE GIVEN 67 498 A 8 3 0.0 140.0 243.50 244.90 1.40 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL Successful CLAY MINERAL RICH MUD MUDSTONE AND MUD 7 2 91 MIOCENE NO AGE GIVEN 1.61 65 126 67 498 A 8 4 0.0 150.0 245.00 246.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC unk - 0000 CLASTIC SEDIMENT. MUDSTONE AND MUD 0 0 0 MIOCENE NO AGE GIVEN 67 498 A 8 5 0.0 121.0 246.50 247.71 1.21 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL CLAY MINERAL GLASS Successful GLASS RICH CLAY MINERAL RICH MUDSTONE MUDSTONE 2 1 97 MIOCENE NO AGE GIVEN 1.54 70 84 67 498 A 8 6 0.0 150.0 248.00 249.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC STONE. MUDSTONE 0 0 0 MIOCENE NO AGE GIVEN 1.60 65 127 67 498 A 8 7 0.0 45.0 249.50 249.95 0.45 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC STONE. MUDSTONE 0 0 0 MIOCENE NO AGE GIVEN 67 498 A 8 CC 0.0 34.0 250.05 250.39 0.34 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC STONE. MUDSTONE 0 0 0 MIOCENE NO AGE GIVEN 67 498 A 9 CC 0.0 20.0 250.10 250.30 0.20 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL CLAY MINERAL Successful CLAY MINERAL RICH MUDSTONE MUDSTONE 2 3 95 MIOCENE NO AGE GIVEN 67 498 A 10 1 0.0 18.0 259.50 259.68 0.18 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL CLAY MINERAL CLAY MINERAL RICH MUDSTONE MUDSTONE 0 0 0 MIOCENE NO AGE GIVEN 67 498 A 10 2 0.0 150.0 261.00 262.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL CLAY MINERAL CLAY MINERAL RICH MUDSTONE MUDSTONE 0 0 0 MIOCENE NO AGE GIVEN 1.40 78 146 67 498 A 10 3 0.0 150.0 262.50 264.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL CLAY MINERAL CLAY MINERAL RICH MUDSTONE MUDSTONE 0 0 0 MIOCENE NO AGE GIVEN 67 498 A 10 4 0.0 150.0 264.00 265.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL CLAY MINERAL Successful CLAY MINERAL RICH MUDSTONE MUDSTONE 7 9 84 MIOCENE NO AGE GIVEN 67 498 A 10 5 0.0 150.0 265.50 267.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL Precoded data MUDSTONE MUDSTONE 0 0 84 MIOCENE NO AGE GIVEN 67 498 A 10 6 0.0 145.0 267.00 268.45 1.45 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL Precoded data MUDSTONE MUDSTONE 0 0 84 MIOCENE NO AGE GIVEN 67 498 A 10 7 0.0 43.0 268.50 268.93 0.43 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL Precoded data MUDSTONE MUDSTONE 0 0 84 MIOCENE NO AGE GIVEN 67 498 A 10 CC 0.0 38.0 269.03 269.41 0.38 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL Precoded data MUDSTONE MUDSTONE 0 0 84 MIOCENE NO AGE GIVEN 67 498 A 11 1 0.0 150.0 269.00 270.50 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM CARBONATE Successful CARBONATE CHALK MUDSTONE 99 0 1 MIOCENE NO AGE GIVEN 67 498 A 11 2 0.0 150.0 270.50 272.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL Precoded data MUDSTONE MUDSTONE 0 0 1 MIOCENE NO AGE GIVEN 67 498 A 11 CC 0.0 43.0 272.10 272.53 0.43 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL Precoded data MUDSTONE MUDSTONE 0 0 1 MIOCENE NO AGE GIVEN 67 498 A 12 1 0.0 150.0 278.50 280.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL Precoded data MUDSTONE MUDSTONE 0 0 1 MIOCENE NO AGE GIVEN 67 498 A 12 2 0.0 49.0 280.00 280.49 0.49 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL Precoded data MUDSTONE MUDSTONE 0 0 1 MIOCENE NO AGE GIVEN 67 498 A 12 CC 0.0 18.0 280.59 280.77 0.18 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL Precoded data MUDSTONE MUDSTONE 0 0 1 MIOCENE NO AGE GIVEN 67 498 A 13 1 0.0 62.0 288.00 288.62 0.62 DETRITAL TERRIGENOUS HETEROGENIC SOFT OTHER SILICEOUS CLAY MINERAL QUARTZ Successful QUARTZ RICH CLAY MINERAL RICH SANDY MUD MUDSTONE 5 3 92 MIOCENE NO AGE GIVEN 67 498 A 13 CC 0.0 15.0 288.72 288.87 0.15 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. MUDSTONE 0 0 0 MIDDLE MIOCENE LOWER MIOCENE NO AGE GIVEN 67 498 A 14 CC 0.0 15.0 297.60 297.75 0.15 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. MUDSTONE 0 0 0 MIDDLE MIOCENE LOWER MIOCENE NO AGE GIVEN 67 498 A 15 1 40.0 150.0 307.40 308.50 1.10 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 4000 QUARTZ FELDSPAR Successful FELDSPAR RICH QUARTZ RICH SAND SAND 3 4 93 MIDDLE MIOCENE LOWER MIOCENE NO AGE GIVEN 67 498 A 15 2 10.0 135.0 308.60 309.85 1.25 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL Precoded data MUDSTONE MUDSTONE 0 0 93 MIDDLE MIOCENE LOWER MIOCENE NO AGE GIVEN 67 498 A 15 CC 0.0 5.0 309.95 310.00 0.05 unk - 0000 IGNEOUS ROCK IGNEOUS ROCK 0 0 0 MIDDLE MIOCENE LOWER MIOCENE NO AGE GIVEN