leg site hole age mnemonic auxiliary age mnemonic top of section depth(m) bottom of section depth(m) special condition age auxiliary age averaged age age top of section(million years) age bottom of section(million years) average age(million years)t data source 79 544 A UPPER PLEISTOCENE 0.0 7.0 NO AGE GIVEN NO AGE GIVEN 0.01 0.7 0.355 DSDP INITIAL REPORTS 79 544 A PLEISTOCENE UPPER PLIOCENE 7.0 16.5 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 0.011 3.4 1.706 DSDP INITIAL REPORTS 79 544 A LOWER PLEISTOCENE MIDDLE PLIOCENE 16.5 26.0 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 1.2 4 2.6 DSDP INITIAL REPORTS 79 544 A MIDDLE PLIOCENE LOWER PLIOCENE 26.0 35.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 3 5 4 DSDP INITIAL REPORTS 79 544 A LOWER PLIOCENE UPPER MIOCENE 35.5 54.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 3.4 10.5 6.95 DSDP INITIAL REPORTS 79 544 A UPPER MIOCENE 54.5 55.8 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS 79 544 A MIDDLE MIOCENE 57.5 102.0 NO AGE GIVEN NO AGE GIVEN 10.5 16 13.25 DSDP INITIAL REPORTS 79 544 A MIDDLE MIOCENE MIDDLE JURASSIC 102.0 107.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 10.5 171 90.75 DSDP INITIAL REPORTS 79 544 A UPPER JURASSIC MIDDLE JURASSIC 107.5 121.0 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 135 171 153 DSDP INITIAL REPORTS 79 544 A JURASSIC 121.0 139.0 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN 135 192 163.5 DSDP INITIAL REPORTS 79 544 A JURASSIC HETTANGIAN 139.0 149.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 135 193 164 DSDP INITIAL REPORTS 79 544 A HETTANGIAN RHAETIAN 149.5 157.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 192 193 192.5 DSDP INITIAL REPORTS 79 544 A JURASSIC RHAETIAN 157.0 166.0 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 135 193 164 DSDP INITIAL REPORTS 79 544 A HETTANGIAN RHAETIAN 166.0 184.5 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 192 193 192.5 DSDP INITIAL REPORTS 79 544 A PALEOZOIC 193.0 235.0 NO AGE GIVEN NO AGE GIVEN 192 193 192.5 DSDP INITIAL REPORTS