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 72 515 1 1 0.0 150.0 0.00 1.50 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL Precoded data MUD CALCAREOUS MUD 0 0 0 QUATERNARY NO AGE GIVEN 72 515 2 1 0.0 150.0 39.50 41.00 1.50 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL QUARTZ Successful QUARTZ RICH CLAY MINERAL RICH MUD TERRIGENOUS MUD 1 0 99 QUATERNARY NO AGE GIVEN 72 515 2 2 0.0 107.0 41.00 42.07 1.07 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL CLASTIC SEDIMENT. TERRIGENOUS MUD 0 2 99 QUATERNARY NO AGE GIVEN 1.53 70 56 72 515 2 3 0.0 90.0 42.50 43.40 0.90 DETRITAL TERRIGENOUS HETEROGENIC SOFT UNIDENTIFIED MATERIAL CLAY MINERAL TERRIGENOUS DETRITUS Successful TERRIGENOUS DETRITUS RICH CLAY MINERAL RICH MUD TERRIGENOUS CLAY 3 1 97 QUATERNARY NO AGE GIVEN 1.60 65 25