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 86 581 1 1 0.0 82.0 0.00 0.82 0.82 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM Successful DIATOM RICH CLAY MINERAL RICH MUD CLAY 0 22 78 QUATERNARY NO AGE GIVEN 86 581 1 CC 6.0 16.0 0.90 1.00 0.10 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM DIATOM RICH CLAY MINERAL RICH MUD SILICEOUS CLAY 0 0 0 QUATERNARY NO AGE GIVEN 86 581 2 1 0.0 150.0 181.50 183.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM Successful DIATOM RICH CLAY MINERAL RICH MUD CLAY 0 30 70 LOWER PLIOCENE NO AGE GIVEN 1.23 88 124 86 581 2 2 0.0 60.0 183.00 183.60 0.60 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD CLAY 0 0 70 LOWER PLIOCENE NO AGE GIVEN 86 581 2 3 88.0 150.0 185.38 186.00 0.62 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD CLAY 0 0 70 LOWER PLIOCENE NO AGE GIVEN 86 581 2 4 120.0 150.0 187.20 187.50 0.30 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD CLAY 0 0 70 LOWER PLIOCENE NO AGE GIVEN 86 581 2 5 0.0 150.0 187.50 189.00 1.50 SILICEOUS TRANSITIONAL MONOGENIC SOFT DIATOM RADIOLARIA CLAY MINERAL Successful CLAY MINERAL RICH RADIOLARIA RICH MUDDY DIATOM OOZE SILICEOUS CLAY 0 52 48 LOWER PLIOCENE NO AGE GIVEN 1.26 86 128 86 581 2 6 0.0 150.0 189.00 190.50 1.50 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL Successful CLAY MINERAL RICH DIATOM MUD SILTY CLAY 0 45 55 LOWER PLIOCENE NO AGE GIVEN 1.26 86 129 86 581 2 7 0.0 34.0 190.50 190.84 0.34 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL CLAY MINERAL RICH DIATOM MUD SILTY CLAY 0 0 0 LOWER PLIOCENE NO AGE GIVEN 86 581 3 1 0.0 150.0 191.00 192.50 1.50 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL CLAY MINERAL RICH DIATOM MUD CLAY 0 0 0 LOWER PLIOCENE NO AGE GIVEN 1.27 85 127 86 581 3 2 0.0 150.0 192.50 194.00 1.50 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL CLAY MINERAL RICH DIATOM MUD CLAY 0 0 0 LOWER PLIOCENE NO AGE GIVEN 1.31 83 108 86 581 3 3 0.0 150.0 194.00 195.50 1.50 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL Successful CLAY MINERAL RICH DIATOM MUD CLAY 0 46 54 LOWER PLIOCENE NO AGE GIVEN 1.27 86 120 86 581 3 4 0.0 119.0 195.50 196.69 1.19 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL Precoded data CLAY MINERAL RICH DIATOM MUD CLAY 25 40 54 LOWER PLIOCENE NO AGE GIVEN 1.28 85 75 86 581 3 5 0.0 150.0 197.00 198.50 1.50 DETRITAL PELAGIC HETEROGENIC SOFT unk - 0000 ZEOLITE CLAY MINERAL Successful CLAY MINERAL RICH ZEOLITE RICH PELAGIC CLAY CLAY 0 13 87 LOWER PLIOCENE NO AGE GIVEN 1.25 86 120 86 581 3 6 0.0 82.0 198.50 199.32 0.82 SILICEOUS TRANSITIONAL MONOGENIC SOFT DIATOM CLAY MINERAL Successful CLAY MINERAL RICH MUDDY DIATOM OOZE CLAY 0 64 36 LOWER PLIOCENE NO AGE GIVEN 86 581 3 CC 0.0 19.0 199.42 199.61 0.19 SILICEOUS TRANSITIONAL unk - 0000 TRANSITIONAL SILICEOUS SEDIMENT. CLAY 0 0 0 LOWER PLIOCENE NO AGE GIVEN 86 581 4 1 0.0 150.0 200.50 202.00 1.50 SILICEOUS TRANSITIONAL unk - 0000 TRANSITIONAL SILICEOUS SEDIMENT. CLAY 0 0 0 LOWER PLIOCENE NO AGE GIVEN 1.25 87 126 86 581 4 2 0.0 150.0 202.00 203.50 1.50 SILICEOUS TRANSITIONAL unk - 0000 TRANSITIONAL SILICEOUS SEDIMENT. CLAY 0 0 0 UPPER MIOCENE NO AGE GIVEN 1.26 86 128 86 581 4 3 0.0 150.0 203.50 205.00 1.50 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL Successful CLAY MINERAL RICH DIATOM MUD CLAY 0 47 53 UPPER MIOCENE NO AGE GIVEN 1.59 66 93 86 581 4 4 0.0 150.0 205.00 206.50 1.50 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL Successful CLAY MINERAL RICH DIATOM MUD CLAY 0 36 64 UPPER MIOCENE NO AGE GIVEN 1.28 85 123 86 581 4 5 0.0 150.0 206.50 208.00 1.50 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL CLAY MINERAL RICH DIATOM MUD CLAY 0 0 0 UPPER MIOCENE NO AGE GIVEN 1.25 86 129 86 581 4 6 0.0 150.0 208.00 209.50 1.50 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL Successful CLAY MINERAL RICH DIATOM MUD CLAY 0 38 62 UPPER MIOCENE NO AGE GIVEN 1.28 85 129 86 581 4 7 0.0 40.0 209.50 209.90 0.40 SILICEOUS TRANSITIONAL unk - 0000 TRANSITIONAL SILICEOUS SEDIMENT. CLAY 0 0 0 UPPER MIOCENE NO AGE GIVEN 86 581 4 CC 6.0 12.0 209.96 210.02 0.06 SILICEOUS TRANSITIONAL unk - 0000 TRANSITIONAL SILICEOUS SEDIMENT. CLAY 0 0 0 UPPER MIOCENE NO AGE GIVEN 86 581 5 1 0.0 150.0 210.00 211.50 1.50 SILICEOUS TRANSITIONAL unk - 0000 TRANSITIONAL SILICEOUS SEDIMENT. CLAY 0 0 0 UPPER MIOCENE NO AGE GIVEN 1.14 93 5 86 581 5 2 0.0 150.0 211.50 213.00 1.50 SILICEOUS TRANSITIONAL MONOGENIC SOFT DIATOM CLAY MINERAL Successful CLAY MINERAL RICH MUDDY DIATOM OOZE CLAY 0 64 36 UPPER MIOCENE NO AGE GIVEN 1.19 90 54 86 581 5 3 0.0 150.0 213.00 214.50 1.50 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL Successful CLAY MINERAL RICH DIATOM MUD CLAY 0 38 63 UPPER MIOCENE NO AGE GIVEN 1.19 90 20 86 581 5 4 0.0 66.0 214.50 215.16 0.66 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL CLAY MINERAL RICH DIATOM MUD CLAY 0 0 0 UPPER MIOCENE NO AGE GIVEN 86 581 5 CC 0.0 10.0 215.26 215.36 0.10 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL CLAY MINERAL RICH DIATOM MUD CLAY 0 0 0 UPPER MIOCENE NO AGE GIVEN 86 581 6 1 0.0 149.0 219.50 220.99 1.49 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL CLAY MINERAL RICH DIATOM MUD CLAY 0 0 0 UPPER MIOCENE NO AGE GIVEN 1.25 86 116 86 581 6 2 0.0 150.0 221.00 222.50 1.50 SILICEOUS TRANSITIONAL HETEROGENIC SOFT DIATOM CLAY MINERAL Successful CLAY MINERAL RICH DIATOM MUD CLAY 0 31 69 UPPER MIOCENE NO AGE GIVEN 1.30 83 128 86 581 6 3 0.0 150.0 222.50 224.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM Successful DIATOM RICH CLAY MINERAL RICH MUD CLAY 0 26 74 UPPER MIOCENE NO AGE GIVEN 1.31 83 129 86 581 6 4 0.0 150.0 224.00 225.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM Successful DIATOM RICH CLAY MINERAL RICH MUD CLAY 0 27 73 UPPER MIOCENE NO AGE GIVEN 1.32 83 127 86 581 6 5 0.0 150.0 225.50 227.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC SEDIMENT. CLAY 0 0 0 UPPER MIOCENE NO AGE GIVEN 1.32 82 129 86 581 6 6 0.0 119.0 227.00 228.19 1.19 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL RADIOLARIA Successful RADIOLARIA RICH CLAY MINERAL RICH MUD CLAY 0 30 70 UPPER MIOCENE NO AGE GIVEN 1.31 83 75 86 581 6 7 0.0 24.0 228.50 228.74 0.24 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC SEDIMENT. CLAY 0 0 0 UPPER MIOCENE NO AGE GIVEN 86 581 6 CC 0.0 16.0 228.86 229.02 0.16 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC SEDIMENT. CLAY 0 0 0 UPPER MIOCENE NO AGE GIVEN 86 581 7 1 9.0 143.0 229.09 230.43 1.34 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC SEDIMENT. CLAY 0 0 0 MIDDLE MIOCENE NO AGE GIVEN 1.30 84 106 86 581 7 2 0.0 150.0 230.50 232.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM Successful DIATOM RICH CLAY MINERAL RICH MUD CLAY 0 28 72 MIDDLE MIOCENE NO AGE GIVEN 1.32 83 127 86 581 7 3 0.0 150.0 232.00 233.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC SEDIMENT. CLAY 0 0 0 MIDDLE MIOCENE NO AGE GIVEN 1.34 81 128 86 581 7 4 0.0 150.0 233.50 235.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL Successful CLAY MINERAL RICH MUD CLAY 0 25 75 MIDDLE MIOCENE NO AGE GIVEN 1.33 82 128 86 581 7 5 0.0 150.0 235.00 236.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC SEDIMENT. CLAY 0 0 0 MIDDLE MIOCENE NO AGE GIVEN 1.33 82 128 86 581 7 6 0.0 140.0 236.50 237.90 1.40 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL DIATOM Successful DIATOM RICH CLAY MINERAL RICH MUD CLAY 0 27 73 MIDDLE MIOCENE NO AGE GIVEN 1.35 80 111 86 581 7 CC 19.0 24.0 238.09 238.14 0.05 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC SEDIMENT. CLAY 0 0 0 MIDDLE MIOCENE NO AGE GIVEN 86 581 8 1 0.0 150.0 238.50 240.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC SEDIMENT. CLAY 0 0 0 MIDDLE MIOCENE NO AGE GIVEN 1.33 82 128 86 581 8 2 0.0 150.0 240.00 241.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL Successful CLAY MINERAL RICH MUD CLAY 0 16 84 MIDDLE MIOCENE NO AGE GIVEN 1.32 82 129 86 581 8 3 0.0 150.0 241.50 243.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL Successful CLAY MINERAL RICH MUD CLAY 0 19 81 MIDDLE MIOCENE NO AGE GIVEN 1.33 82 129 86 581 8 4 0.0 150.0 243.00 244.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. CLAY 0 0 0 MIDDLE MIOCENE NO AGE GIVEN 1.35 81 120 86 581 8 5 0.0 150.0 244.50 246.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY CLAY 0 5 95 MIDDLE MIOCENE NO AGE GIVEN 1.42 76 127 86 581 8 CC 0.0 9.0 246.10 246.19 0.09 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL CLAY MINERAL RICH CLAY CLAY 0 0 0 MIDDLE MIOCENE NO AGE GIVEN 86 581 9 1 0.0 150.0 248.00 249.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL CLAY MINERAL RICH CLAY CLAY 0 0 0 MIDDLE MIOCENE NO AGE GIVEN 1.30 83 120 86 581 9 2 0.0 150.0 249.50 251.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY CLAY 0 1 99 MIDDLE MIOCENE NO AGE GIVEN 1.45 75 108 86 581 9 3 0.0 120.0 251.00 252.20 1.20 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL CLAY MINERAL RICH CLAY CLAY 0 0 0 MIDDLE MIOCENE NO AGE GIVEN 1.42 76 68 86 581 9 4 0.0 98.0 252.50 253.48 0.98 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY CLAY 0 0 100 MIDDLE MIOCENE NO AGE GIVEN 86 581 10 1 0.0 150.0 257.50 259.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE TERRIGENOUS DETRITUS CLAY MINERAL Successful CLAY MINERAL RICH TERRIGENOUS DETRITUS RICH CLAY CLAY 0 0 100 MIDDLE MIOCENE NO AGE GIVEN 1.57 68 129 86 581 10 2 0.0 150.0 259.00 260.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. CLAY 0 0 0 MIOCENE NO AGE GIVEN 1.53 70 128 86 581 10 3 0.0 150.0 260.50 262.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. CLAY 0 0 0 MIOCENE NO AGE GIVEN 1.58 67 128 86 581 10 4 0.0 81.0 262.00 262.81 0.81 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. CLAY 0 0 0 MIOCENE NO AGE GIVEN 1.41 77 59 86 581 10 5 0.0 69.0 263.50 264.19 0.69 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. CLAY 0 0 0 MIOCENE NO AGE GIVEN 86 581 10 6 0.0 4.0 265.00 265.04 0.04 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. CLAY 0 0 0 MIOCENE NO AGE GIVEN 86 581 10 6 32.0 54.0 265.32 265.54 0.22 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. CLAY 0 0 0 MIOCENE NO AGE GIVEN 86 581 10 CC 0.0 7.0 266.04 266.11 0.07 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. CLAY 0 0 0 MIOCENE NO AGE GIVEN 86 581 11 1 0.0 30.0 267.00 267.30 0.30 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. CLAY 0 0 0 MIOCENE NO AGE GIVEN 86 581 12 1 0.0 45.0 276.50 276.95 0.45 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL CHERT FRAGMENT Successful CHERT FRAGMENT RICH CLAY MINERAL RICH MUD CLAY 2 17 81 86 581 13 1 0.0 13.0 286.00 286.13 0.13 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. CHERT 0 0 0 86 581 13 1 15.0 20.0 286.15 286.20 0.05 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. CLAY 0 0 0 86 581 14 1 0.0 10.0 295.50 295.60 0.10 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 0000 CLASTIC SEDIMENT. CHERT 0 0 0 86 581 14 1 10.0 15.0 295.60 295.65 0.05 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY SILICIC CLAY 0 2 98 86 581 14 1 15.0 27.0 295.65 295.77 0.12 SILICEOUS PELAGIC MONOGENIC HARD unk - 0000 Precoded data CHERT CHERT 35 50 98 86 581 15 1 0.0 55.0 305.00 305.55 0.55 SILICEOUS PELAGIC MONOGENIC HARD unk - 0000 Precoded data CHERT CHERT 35 50 98 86 581 16 1 0.0 18.0 314.50 314.68 0.18 SILICEOUS PELAGIC MONOGENIC HARD unk - 0000 Precoded data CHERT CHERT 35 50 98 86 581 17 1 0.0 107.0 324.00 325.07 1.07 SILICEOUS PELAGIC MONOGENIC HARD unk - 0000 Precoded data CHERT CHERT 35 50 98 86 581 18 1 0.0 34.0 333.50 333.84 0.34 unk - 0000 CHERT CHERT 0 0 0