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 84 567 A PLEISTOCENE PLIOCENE 0.0 195.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 0.011 5 2.506 DSDP INITIAL REPORTS 84 567 A PLIOCENE 195.5 214.9 NO AGE GIVEN NO AGE GIVEN 1.8 5 3.4 DSDP INITIAL REPORTS 84 567 A LOWER PLIOCENE LOWER MIOCENE 214.9 224.6 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 3.4 22.5 12.95 DSDP INITIAL REPORTS 84 567 A LOWER MIOCENE 224.6 243.6 NO AGE GIVEN NO AGE GIVEN 16 22.5 19.25 DSDP INITIAL REPORTS 84 567 A LOWER MIOCENE OLIGOCENE 243.6 253.1 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 16 37.5 26.75 DSDP INITIAL REPORTS 84 567 A LOWER MIOCENE 253.1 289.5 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN 16 22.5 19.25 DSDP INITIAL REPORTS 84 567 A LOWER MIOCENE OLIGOCENE 289.5 298.4 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 16 37.5 26.75 DSDP INITIAL REPORTS 84 567 A LOWER MIOCENE 298.4 316.2 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN 16 22.5 19.25 DSDP INITIAL REPORTS 84 567 A LOWER MIOCENE EOCENE 351.7 358.7 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 16 53.5 34.75 DSDP INITIAL REPORTS 84 567 A MAESTRICHTIAN CAMPANIAN 358.7 368.4 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 65 78 71.5 DSDP INITIAL REPORTS