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 39 358 UPPER PLEISTOCENE 47.5 53.4 NO AGE GIVEN NO AGE GIVEN 0.01 0.7 0.355 DSDP INITIAL REPORTS 39 358 LOWER PLEISTOCENE 53.4 57.0 NO AGE GIVEN NO AGE GIVEN 1.2 1.8 1.5 DSDP INITIAL REPORTS 39 358 UPPER MIOCENE 123.5 133.0 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS 39 358 MIDDLE MIOCENE LOWER MIOCENE 199.5 209.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 10.5 22.5 16.5 DSDP INITIAL REPORTS 39 358 LOWER MIOCENE 275.5 285.0 NO AGE GIVEN NO AGE GIVEN 16 22.5 19.25 DSDP INITIAL REPORTS 39 358 LOWER MIOCENE UPPER OLIGOCENE 351.5 361.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 16 30 23 DSDP INITIAL REPORTS 39 358 UPPER OLIGOCENE 418.0 560.5 NO AGE GIVEN NO AGE GIVEN 22.5 30 26.25 DSDP INITIAL REPORTS 39 358 OLIGOCENE 589.0 598.5 NO AGE GIVEN NO AGE GIVEN 22.5 37.5 30 DSDP INITIAL REPORTS 39 358 UPPER EOCENE 636.5 646.0 NO AGE GIVEN NO AGE GIVEN 37.5 43 40.25 DSDP INITIAL REPORTS 39 358 MIDDLE EOCENE 703.0 712.5 NO AGE GIVEN NO AGE GIVEN 43 49 46 DSDP INITIAL REPORTS 39 358 LOWER EOCENE 750.5 759.5 NO AGE GIVEN NO AGE GIVEN 49 53.5 51.25 DSDP INITIAL REPORTS 39 358 UPPER PALEOCENE 759.5 760.0 NO AGE GIVEN NO AGE GIVEN 53.5 60 56.75 DSDP INITIAL REPORTS 39 358 UPPER PALEOCENE LOWER PALEOCENE 779.0 788.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 53.5 65 59.25 DSDP INITIAL REPORTS 39 358 MIDDLE MAESTRICHTIAN 798.0 807.5 NO AGE GIVEN NO AGE GIVEN 66 67 66.5 DSDP INITIAL REPORTS 39 358 MIDDLE MAESTRICHTIAN UPPER CAMPANIAN 817.0 826.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 66 74 70 DSDP INITIAL REPORTS