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 66 493 A 1 1 0.0 65.0 0.00 0.65 0.65 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL Precoded data MUDSTONE SANDY MUDDY SILT 0 0 99 QUATERNARY NO AGE GIVEN 66 493 A 1 1 66.0 150.0 0.66 1.50 0.84 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL QUARTZ CLAY MINERAL Successful CLAY MINERAL RICH QUARTZ RICH MUD MUDDY SILT 1 5 94 QUATERNARY NO AGE GIVEN 66 493 A 1 2 0.0 83.0 1.50 2.33 0.83 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL QUARTZ CLAY MINERAL CLAY MINERAL RICH QUARTZ RICH MUD MUDDY SILT 0 0 0 QUATERNARY NO AGE GIVEN 66 493 A 1 2 86.0 90.0 2.36 2.40 0.04 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL QUARTZ CLAY MINERAL CLAY MINERAL RICH QUARTZ RICH MUD MUDDY SILT 0 0 0 QUATERNARY NO AGE GIVEN 66 493 A 1 CC 0.0 15.0 2.58 2.73 0.15 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL QUARTZ CLAY MINERAL CLAY MINERAL RICH QUARTZ RICH MUD MUDDY SILT 0 0 0 QUATERNARY NO AGE GIVEN 66 493 A 2 1 0.0 150.0 2.50 4.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL QUARTZ CLAY MINERAL CLAY MINERAL RICH QUARTZ RICH MUD MUDDY SILT 13 0 0 QUATERNARY NO AGE GIVEN 66 493 A 2 2 0.0 115.0 4.00 5.15 1.15 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL QUARTZ CLAY MINERAL CLAY MINERAL RICH QUARTZ RICH MUD MUDDY SILT 0 0 0 QUATERNARY NO AGE GIVEN 66 493 A 2 3 0.0 135.0 5.50 6.85 1.35 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL QUARTZ CLAY MINERAL Successful CLAY MINERAL RICH QUARTZ RICH MUD MUDDY SILT 3 5 92 QUATERNARY NO AGE GIVEN 1.58 67 119 66 493 A 2 4 0.0 35.0 7.00 7.35 0.35 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL QUARTZ CLAY MINERAL Precoded data CLAY MINERAL RICH QUARTZ RICH MUD MUDDY SILT 0 0 92 QUATERNARY NO AGE GIVEN 66 493 A 2 CC 0.0 18.0 7.45 7.63 0.18 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL QUARTZ CLAY MINERAL CLAY MINERAL RICH QUARTZ RICH MUD MUDDY SILT 0 0 0 QUATERNARY NO AGE GIVEN 66 493 A 3 1 0.0 1.0 12.00 12.01 0.01 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL QUARTZ CLAY MINERAL Precoded data CLAY MINERAL RICH QUARTZ RICH MUD MUDDY SILT 0 0 0 QUATERNARY NO AGE GIVEN