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 7 67 A 1 1 42.0 150.0 23.42 24.50 1.08 DETRITAL TERRIGENOUS HETEROGENIC HARD unk - 9000 PYROXENE FELDSPAR Successful FELDSPAR RICH PYROXENE RICH CLASTIC SEDIMENTSTONE D AND GRAVEL SIZED PIECES OF VOLCANIC SANDSTONEAND MUDSTONE 0 0 100 EOCENE PALEOCENE NO AGE GIVEN 7 67 A 1 CC 0.0 10.0 24.60 24.70 0.10 DETRITAL PELAGIC HETEROGENIC HARD unk - 0000 ZEOLITE FELDSPAR Successful FELDSPAR RICH ZEOLITE RICH PELAGIC CLAYSTONE VOLCANIC SANDSTONE AND MUDSTONE 0 0 100 EOCENE PALEOCENE NO AGE GIVEN 7 67 A 1 CC 11.0 15.0 24.61 24.65 0.04 DETRITAL TERRIGENOUS HETEROGENIC HARD unk - 4000 Precoded data SANDSTONE SANDSTONE 0 0 100 EOCENE PALEOCENE NO AGE GIVEN 7 67 A 1 CC 16.0 20.0 24.66 24.70 0.04 DETRITAL TERRIGENOUS HETEROGENIC HARD unk - 4000 Precoded data SANDSTONE FIRM MEDIUM GRAINED SANDSTONE 0 0 100 EOCENE PALEOCENE NO AGE GIVEN 7 67 A 2 CC 0.0 10.0 60.10 60.20 0.10 DETRITAL TERRIGENOUS HETEROGENIC HARD UNIDENTIFIED MATERIAL Precoded data MUDSTONE MUDSTONE 0 0 100 7 67 A 2 CC 10.0 20.0 60.10 60.20 0.10 SILICEOUS PELAGIC MONOGENIC HARD unk - 0000 Precoded data CHERT CHERT 35 50 100