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 82 557 H1 1 0.0 36.0 0.00 0.36 0.36 CALCAREOUS PELAGIC MONOGENIC HARD NANNOFOSSIL FORAMINIFERA Successful FORAMINIFERA RICH INDURATED NANNOFOSSIL CHALK FELDSPAR-BEARING LIMESTONE 80 0 21 UPPER MIOCENE NO AGE GIVEN 82 557 H1 1 36.0 43.0 0.36 0.43 0.07 CALCAREOUS PELAGIC MONOGENIC unk - 0000 CALCAREOUS OOZE. CHALK 0 0 0 UPPER MIOCENE NO AGE GIVEN 82 557 H1 1 43.0 76.0 0.43 0.76 0.33 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Successful NANNOFOSSIL CHALK CHALK TO LIMESTONE 75 0 25 UPPER MIOCENE NO AGE GIVEN 82 557 H1 1 76.0 102.0 0.76 1.02 0.26 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL NANNOFOSSIL CHALK CHALK 0 0 0 UPPER MIOCENE NO AGE GIVEN 82 557 H1 1 102.0 150.0 1.02 1.50 0.48 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Successful NANNOFOSSIL CHALK SILICEOUS CHALK 72 12 17 UPPER MIOCENE NO AGE GIVEN 82 557 H1 2 0.0 33.0 1.50 1.83 0.33 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Precoded data NANNOFOSSIL CHALK LIMESTONE TO CHALK 50 35 17 UPPER MIOCENE NO AGE GIVEN 82 557 H1 CC 0.0 35.0 1.95 2.30 0.35 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Precoded data NANNOFOSSIL CHALK LIMESTONE TO CHALK 50 35 17 UPPER MIOCENE NO AGE GIVEN 82 557 H2 1 0.0 40.0 425.50 425.90 0.40 CALCAREOUS TRANSITIONAL MONOGENIC HARD unk - 0000 Precoded data LIMESTONE NANNOFOSSIL CHALK 40 25 17 UPPER MIOCENE NO AGE GIVEN 82 557 H2 1 40.0 150.0 425.90 427.00 1.10 CALCAREOUS TRANSITIONAL MONOGENIC HARD unk - 0000 Precoded data LIMESTONE LIMESTONE 40 25 17 UPPER MIOCENE NO AGE GIVEN 82 557 H2 2 0.0 150.0 427.00 428.50 1.50 CALCAREOUS TRANSITIONAL MONOGENIC HARD unk - 0000 Precoded data LIMESTONE LIMESTONE 40 25 17 UPPER MIOCENE NO AGE GIVEN 82 557 H2 3 0.0 150.0 428.50 430.00 1.50 CALCAREOUS TRANSITIONAL MONOGENIC HARD unk - 0000 Precoded data LIMESTONE LIMESTONE 40 25 17 UPPER MIOCENE NO AGE GIVEN 82 557 H2 4 0.0 150.0 430.00 431.50 1.50 CALCAREOUS TRANSITIONAL MONOGENIC HARD unk - 0000 Precoded data LIMESTONE LIMESTONE 40 25 17 UPPER MIOCENE NO AGE GIVEN 82 557 H2 5 0.0 150.0 431.50 433.00 1.50 CALCAREOUS TRANSITIONAL MONOGENIC HARD unk - 0000 Precoded data LIMESTONE LIMESTONE 40 25 17 UPPER MIOCENE NO AGE GIVEN 82 557 H2 6 0.0 150.0 433.00 434.50 1.50 CALCAREOUS TRANSITIONAL MONOGENIC HARD unk - 0000 Precoded data LIMESTONE LIMESTONE 40 25 17 UPPER MIOCENE NO AGE GIVEN 82 557 H2 7 0.0 40.0 434.50 434.90 0.40 CALCAREOUS TRANSITIONAL MONOGENIC HARD unk - 0000 Precoded data LIMESTONE BIOMICRITE LIMESTONE 40 25 17 UPPER MIOCENE NO AGE GIVEN