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 4 27 1 1 0.0 150.0 84.00 85.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY SLIGHTLY SILTY CLAY 1 0 99 CENOZOIC NO AGE GIVEN 1.59 66 137 4 27 1 2 0.0 18.0 85.50 85.68 0.18 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL CLAY MINERAL RICH CLAY CLAY 0 0 0 CENOZOIC NO AGE GIVEN 4 27 1 2 30.0 65.0 85.80 86.15 0.35 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY CLAY 2 0 98 CENOZOIC NO AGE GIVEN 1.44 75 9 4 27 1 2 77.0 125.0 86.27 86.75 0.48 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL CLAY MINERAL RICH CLAY CLAY 0 0 0 CENOZOIC NO AGE GIVEN 1.42 77 52 4 27 1 3 0.0 0.0 87.00 87.00 0.00 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL CLAY MINERAL RICH CLAY ****** NO LITH GIVEN *** 0 0 0 CENOZOIC NO AGE GIVEN 4 27 1 4 0.0 0.0 88.50 88.50 0.00 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL CLAY MINERAL RICH CLAY ****** NO LITH GIVEN *** 0 0 0 CENOZOIC NO AGE GIVEN 4 27 1 5 0.0 0.0 90.00 90.00 0.00 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL CLAY MINERAL RICH CLAY ****** NO LITH GIVEN *** 0 0 0 CENOZOIC NO AGE GIVEN 4 27 1 6 0.0 150.0 91.50 93.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY CLAY 1 0 99 CENOZOIC NO AGE GIVEN 1.29 84 135 4 27 2 1 65.0 150.0 141.65 142.50 0.85 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL CLAY MINERAL RICH CLAY CLAY 4 3 94 CENOZOIC NO AGE GIVEN 1.56 68 86 4 27 2 2 0.0 150.0 142.50 144.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY CLAY 0 0 100 CENOZOIC NO AGE GIVEN 1.65 63 157 4 27 2 3 0.0 140.0 144.00 145.40 1.40 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY CLAY 0 1 99 CENOZOIC NO AGE GIVEN 1.68 61 141 4 27 3 1 0.0 150.0 235.00 236.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL CLASTIC SEDIMENT. CLAY 2 0 98 CENOZOIC NO AGE GIVEN 1.74 57 157 4 27 3 2 0.0 150.0 236.50 238.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL NANNOFOSSIL Successful NANNOFOSSIL RICH CLAY MINERAL RICH CLAY CLAY 1 0 99 LOWER MIOCENE NO AGE GIVEN 1.80 54 157 4 27 4 1 0.0 5.0 244.00 244.05 0.05 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL CLASTIC SEDIMENT. SLIGHTLY SILTY CLAY 0 0 0 LOWER MIOCENE NO AGE GIVEN 4 27 4 1 25.0 60.0 244.25 244.60 0.35 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY SLIGHTLY SILTY CLAY 0 0 100 LOWER MIOCENE NO AGE GIVEN 1.81 53 35 4 27 4 1 64.0 150.0 244.64 245.50 0.86 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY SLIGHTLY SILTY CLAY 0 0 100 LOWER MIOCENE NO AGE GIVEN 1.81 53 90 4 27 4 2 0.0 7.0 245.50 245.57 0.07 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL CLAY MINERAL RICH CLAY CLAY 0 0 0 LOWER MIOCENE NO AGE GIVEN 1.72 58 3 4 27 4 2 12.0 98.0 245.62 246.48 0.86 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY CLAY 0 0 100 LOWER MIOCENE NO AGE GIVEN 1.81 53 89 4 27 4 2 103.0 150.0 246.53 247.00 0.47 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY CLAY 0 2 98 LOWER MIOCENE NO AGE GIVEN 1.50 72 48 4 27 4 3 0.0 150.0 247.00 248.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL CLAY MINERAL RICH CLAY CLAY 2 0 99 LOWER MIOCENE NO AGE GIVEN 1.82 52 157 4 27 5 1 15.0 102.0 369.15 370.02 0.87 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY CLAY 1 0 99 UPPER OLIGOCENE NO AGE GIVEN 4 27 5 1 102.0 108.0 370.02 370.08 0.06 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Precoded data CLAY MINERAL RICH CLAY CALCAREOUS CLAY 0 0 99 UPPER OLIGOCENE NO AGE GIVEN 4 27 5 1 108.0 117.0 370.08 370.17 0.09 CALCAREOUS PELAGIC MONOGENIC HARD CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH INDURATED CARBONATE CHALK SHALEY LIMESTONE 80 0 20 UPPER OLIGOCENE NO AGE GIVEN 4 27 5 1 117.0 150.0 370.17 370.50 0.33 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE CLAY MINERAL Successful CLAY MINERAL RICH CLAY CALCAREOUS CLAY 2 0 98 UPPER OLIGOCENE NO AGE GIVEN 4 27 5 2 10.0 70.0 370.60 371.20 0.60 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL QUARTZ Successful QUARTZ RICH CLAY MINERAL RICH MUD SILTY CLAY 2 0 98 UPPER OLIGOCENE NO AGE GIVEN 4 27 5 2 70.0 150.0 371.20 372.00 0.80 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL CLAY MINERAL Successful CLAY MINERAL RICH NANNOFOSSIL CHALK CALCAREOUS CLAY 60 0 40 UPPER OLIGOCENE NO AGE GIVEN 4 27 5 3 0.0 150.0 372.00 373.50 1.50 CALCAREOUS TRANSITIONAL HETEROGENIC FIRM CARBONATE NANNOFOSSIL Successful NANNOFOSSIL RICH MARLY CARBONATE CHALK CALCAREOUS CLAY 31 10 59 UPPER OLIGOCENE NO AGE GIVEN 4 27 5 4 0.0 150.0 373.50 375.00 1.50 CALCAREOUS TRANSITIONAL HETEROGENIC FIRM NANNOFOSSIL CLAY MINERAL Successful CLAY MINERAL RICH MARLY NANNOFOSSIL CHALK CALCAREOUS CLAY 31 0 69 UPPER OLIGOCENE NO AGE GIVEN 4 27 6 1 0.0 48.0 454.00 454.48 0.48 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL RADIOLARIA Successful RADIOLARIA RICH CLAY MINERAL RICH MUD CLAY 0 13 88 UPPER EOCENE NO AGE GIVEN 4 27 6 2 25.0 150.0 455.75 457.00 1.25 DETRITAL TERRIGENOUS HETEROGENIC unk - 0000 CLASTIC SEDIMENT. RAD CLAYSTONE 0 0 0 UPPER EOCENE NO AGE GIVEN 4 27 6 3 0.0 85.0 457.00 457.85 0.85 DETRITAL TERRIGENOUS HETEROGENIC unk - 0000 CLASTIC SEDIMENT. BENTONITIC SHALE IN DRILLING MUD 0 0 0 UPPER EOCENE NO AGE GIVEN 4 27 7 1 13.0 92.0 474.13 474.92 0.79 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL CLAY MINERAL RADIOLARIA Successful RADIOLARIA RICH CLAY MINERAL RICH MUDSTONE RAD/NANNO BANDED CALCAREOUS "BENTONITE" 6 28 66 UPPER EOCENE NO AGE GIVEN