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 3 17 A 1 1 0.0 150.0 28.40 29.90 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Successful NANNOFOSSIL CHALK NANNO CHALK OOZE 83 0 18 LOWER MIOCENE NO AGE GIVEN 1.74 57 158 3 17 A 1 2 0.0 150.0 29.90 31.40 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Successful NANNOFOSSIL CHALK NANNO CHALK OOZE 85 0 15 LOWER MIOCENE NO AGE GIVEN 1.77 56 157 3 17 A 1 3 0.0 150.0 31.40 32.90 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Successful NANNOFOSSIL CHALK NANNO CHALK OOZE 69 0 31 LOWER MIOCENE NO AGE GIVEN 1.73 58 152 3 17 A 1 4 0.0 150.0 32.90 34.40 1.50 CALCAREOUS TRANSITIONAL HETEROGENIC FIRM NANNOFOSSIL Successful MARLY NANNOFOSSIL CHALK NANNO CHALK OOZE 55 0 45 LOWER MIOCENE NO AGE GIVEN 1.75 57 158 3 17 A 1 5 0.0 150.0 34.40 35.90 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Successful NANNOFOSSIL CHALK NANNO CHALK OOZE 63 0 37 LOWER MIOCENE NO AGE GIVEN 1.74 57 157 3 17 A 1 6 0.0 150.0 35.90 37.40 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Successful NANNOFOSSIL CHALK NANNO CHALK OOZE 75 0 25 LOWER MIOCENE NO AGE GIVEN 1.73 58 156 3 17 A 2 1 0.0 150.0 37.50 39.00 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Successful NANNOFOSSIL CHALK NANNO CHALK OOZE 86 0 14 LOWER MIOCENE NO AGE GIVEN 1.75 57 157 3 17 A 2 2 0.0 150.0 39.00 40.50 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Successful NANNOFOSSIL CHALK NANNO CHALK OOZE 82 0 19 LOWER MIOCENE NO AGE GIVEN 1.73 58 158 3 17 A 2 3 0.0 150.0 40.50 42.00 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Successful NANNOFOSSIL CHALK NANNO CHALK OOZE 85 0 15 LOWER MIOCENE NO AGE GIVEN 1.76 56 156 3 17 A 2 4 0.0 150.0 42.00 43.50 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Successful NANNOFOSSIL CHALK NANNO CHALK OOZE 79 0 21 LOWER MIOCENE NO AGE GIVEN 1.75 57 160 3 17 A 2 5 0.0 150.0 43.50 45.00 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Successful NANNOFOSSIL CHALK NANNO CHALK OOZE 86 0 14 LOWER MIOCENE NO AGE GIVEN 1.76 56 158 3 17 A 2 6 0.0 150.0 45.00 46.50 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Successful NANNOFOSSIL CHALK NANNO CHALK OOZE 82 0 18 LOWER MIOCENE NO AGE GIVEN 1.74 57 149 3 17 A 3 1 0.0 150.0 85.40 86.90 1.50 CALCAREOUS PELAGIC MONOGENIC FIRM NANNOFOSSIL Precoded data NANNOFOSSIL CHALK NANNO CHALK OOZE 50 35 18 UPPER OLIGOCENE NO AGE GIVEN 1.81 53 158 3 17 A 4 2 0.0 150.0 96.10 97.60 1.50 CALCAREOUS PELAGIC MONOGENIC SOFT NANNOFOSSIL Precoded data NANNOFOSSIL OOZE NANNO CHALK OO E 50 35 18 UPPER OLIGOCENE NO AGE GIVEN 1.74 58 155