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 75 530 A LOWER PLIOCENE 125.0 134.5 NO AGE GIVEN NO AGE GIVEN 3.4 5 4.2 DSDP INITIAL REPORTS 75 530 A UPPER PLIOCENE 134.5 144.0 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN 1.8 3.4 2.6 DSDP INITIAL REPORTS 75 530 A PLIOCENE 144.0 163.0 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN 1.8 5 3.4 DSDP INITIAL REPORTS 75 530 A LOWER PLIOCENE 163.0 172.5 NO AGE GIVEN NO AGE GIVEN 3.4 5 4.2 DSDP INITIAL REPORTS 75 530 A PLIOCENE MIOCENE 172.5 182.0 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 1.8 22.5 12.15 DSDP INITIAL REPORTS 75 530 A LOWER PLIOCENE 182.0 191.5 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN 3.4 5 4.2 DSDP INITIAL REPORTS 75 530 A UPPER MIOCENE 191.5 267.5 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS 75 530 A UPPER MIOCENE MIDDLE MIOCENE 267.5 277.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 5 16 10.5 DSDP INITIAL REPORTS 75 530 A UPPER MIOCENE 277.0 296.0 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS 75 530 A MIDDLE MIOCENE 296.0 334.0 NO AGE GIVEN NO AGE GIVEN 10.5 16 13.25 DSDP INITIAL REPORTS 75 530 A LOWER MIOCENE 334.0 353.0 NO AGE GIVEN NO AGE GIVEN 16 22.5 19.25 DSDP INITIAL REPORTS 75 530 A UPPER OLIGOCENE 438.5 457.5 NO AGE GIVEN NO AGE GIVEN 22.5 30 26.25 DSDP INITIAL REPORTS 75 530 A UPPER EOCENE MIDDLE EOCENE 467.0 476.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 37.5 49 43.25 DSDP INITIAL REPORTS 75 530 A LOWER EOCENE 476.5 495.5 NO AGE GIVEN NO AGE GIVEN 49 53.5 51.25 DSDP INITIAL REPORTS 75 530 A UPPER PALEOCENE 495.5 533.5 NO AGE GIVEN NO AGE GIVEN 53.5 60 56.75 DSDP INITIAL REPORTS 75 530 A MIDDLE PALEOCENE 533.5 571.5 NO AGE GIVEN NO AGE GIVEN 58 60 59 DSDP INITIAL REPORTS 75 530 A LOWER PALEOCENE 571.5 590.5 NO AGE GIVEN NO AGE GIVEN 60 65 62.5 DSDP INITIAL REPORTS 75 530 A DANIAN 590.5 592.6 NO AGE GIVEN NO AGE GIVEN 60 65 62.5 DSDP INITIAL REPORTS 75 530 A MAESTRICHTIAN 592.6 638.0 NO AGE GIVEN NO AGE GIVEN 65 70 67.5 DSDP INITIAL REPORTS 75 530 A MAESTRICHTIAN CAMPANIAN 638.0 647.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 65 78 71.5 DSDP INITIAL REPORTS 75 530 A MAESTRICHTIAN 647.5 685.5 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN 65 70 67.5 DSDP INITIAL REPORTS 75 530 A CAMPANIAN 685.5 885.0 NO AGE GIVEN NO AGE GIVEN 70 78 74 DSDP INITIAL REPORTS 75 530 A SANTONIAN CONIACIAN 885.0 999.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 78 86 82 DSDP INITIAL REPORTS 75 530 A CENOMANIAN UPPER ALBIAN 999.0 1103.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 92 104 98 DSDP INITIAL REPORTS