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 39 354 UPPER PLEISTOCENE 0.0 7.0 NO AGE GIVEN NO AGE GIVEN 0.01 0.7 0.355 DSDP INITIAL REPORTS 39 354 LOWER PLEISTOCENE 45.0 54.5 NO AGE GIVEN NO AGE GIVEN 1.2 1.8 1.5 DSDP INITIAL REPORTS 39 354 PLIOCENE 92.5 102.0 NO AGE GIVEN NO AGE GIVEN 1.8 5 3.4 DSDP INITIAL REPORTS 39 354 LOWER PLIOCENE 140.0 143.8 NO AGE GIVEN NO AGE GIVEN 3.4 5 4.2 DSDP INITIAL REPORTS 39 354 UPPER MIOCENE 143.8 197.0 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS 39 354 UPPER MIOCENE LOWER MIOCENE 235.0 244.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 5 22.5 13.75 DSDP INITIAL REPORTS 39 354 LOWER MIOCENE 282.5 400.0 NO AGE GIVEN NO AGE GIVEN 16 22.5 19.25 DSDP INITIAL REPORTS 39 354 UPPER OLIGOCENE 400.0 463.0 NO AGE GIVEN NO AGE GIVEN 22.5 30 26.25 DSDP INITIAL REPORTS 39 354 OLIGOCENE 520.0 529.5 NO AGE GIVEN NO AGE GIVEN 22.5 37.5 30 DSDP INITIAL REPORTS 39 354 LOWER OLIGOCENE 605.5 614.5 NO AGE GIVEN NO AGE GIVEN 30 37.5 33.75 DSDP INITIAL REPORTS 39 354 UPPER EOCENE 614.5 700.0 NO AGE GIVEN NO AGE GIVEN 37.5 43 40.25 DSDP INITIAL REPORTS 39 354 MIDDLE EOCENE 700.0 738.5 NO AGE GIVEN NO AGE GIVEN 43 49 46 DSDP INITIAL REPORTS 39 354 UPPER PALEOCENE 814.5 843.0 NO AGE GIVEN NO AGE GIVEN 53.5 60 56.75 DSDP INITIAL REPORTS 39 354 LOWER PALEOCENE 852.5 853.0 NO AGE GIVEN NO AGE GIVEN 60 65 62.5 DSDP INITIAL REPORTS 39 354 MAESTRICHTIAN 853.0 862.0 NO AGE GIVEN NO AGE GIVEN 65 70 67.5 DSDP INITIAL REPORTS 39 354 LOWER MAESTRICHTIAN 871.5 881.0 NO AGE GIVEN NO AGE GIVEN 67.5 70 68.75 DSDP INITIAL REPORTS