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 32 308 1 1 5.0 150.0 0.05 1.50 1.45 DETRITAL TERRIGENOUS MONOGENIC SOFT UNIDENTIFIED MATERIAL Precoded data ASH ALTERED VOLCANIC ASH 0 0 58 QUATERNARY LOWER EOCENE NO AGE GIVEN 32 308 2 1 112.0 150.0 13.62 14.00 0.38 DETRITAL TERRIGENOUS HETEROGENIC SOFT unk - 5000 Precoded data SILT BIOGENOUS VOLCANIC SILT 0 0 58 LOWER EOCENE NO AGE GIVEN 32 308 2 2 5.0 150.0 14.05 15.50 1.45 CALCAREOUS TRANSITIONAL HETEROGENIC FIRM unk - 0000 CARBON FRAGMENT Successful CARBON FRAGMENT RICH MARLY CHALK BIOGENOUS VOLCANIC SILT 43 0 57 LOWER EOCENE NO AGE GIVEN 1.68 61 142 32 308 3 1 10.0 150.0 40.60 42.00 1.40 CALCAREOUS TRANSITIONAL HETEROGENIC FIRM unk - 0000 CARBON FRAGMENT Successful CARBON FRAGMENT RICH MARLY CHALK BIOGENOUS VOLCANIC SILT 58 0 42 LOWER EOCENE NO AGE GIVEN 1.83 52 123 32 308 4 1 10.0 150.0 59.10 60.50 1.40 DETRITAL PELAGIC HETEROGENIC HARD unk - 0000 CARBON FRAGMENT MICRONODULE Successful MICRONODULE RICH CARBON FRAGMENT RICH PELAGIC CLAYSTONE BIOGENOUS VOLCANIC SANDSTONE 6 0 94 LOWER EOCENE NO AGE GIVEN 1.88 49 115