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 68 503 1 1 0.0 150.0 0.00 1.50 1.50 CALCAREOUS TRANSITIONAL HETEROGENIC SOFT NANNOFOSSIL Precoded data MARLY NANNOFOSSIL OOZE NANNO MARL AND SILICEOUS OOZE 40 25 67 QUATERNARY NO AGE GIVEN 1.25 87 136 68 503 1 2 0.0 150.0 1.50 3.00 1.50 CALCAREOUS TRANSITIONAL HETEROGENIC SOFT unk - 0000 SILICEOUS FOSSIL Precoded data SILICEOUS FOSSIL RICH MARLY CALCAREOUS OOZE SILIC 40 25 67 QUATERNARY NO AGE GIVEN 1.24 87 143 68 503 1 3 0.0 150.0 3.00 4.50 1.50 CALCAREOUS TRANSITIONAL HETEROGENIC SOFT unk - 0000 SILICEOUS FOSSIL Precoded data SILICEOUS FOSSIL RICH MARLY CALCAREOUS OOZE SILICEOUS OOZE AND CLAY 40 25 67 QUATERNARY NO AGE GIVEN 1.27 85 144 68 503 1 4 0.0 20.0 4.50 4.70 0.20 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE SILICEOUS FOSSIL Precoded data SILICEOUS FOSSIL RICH CLAY SILICEOUS CLAY 0 0 67 68 503 1 CC 0.0 10.0 4.80 4.90 0.10 DETRITAL TERRIGENOUS HETEROGENIC SOFT ESTIMATED CARBONATE SILICEOUS FOSSIL Precoded data SILICEOUS FOSSIL RICH CLAY SILICEOUS CLAY 0 0 67