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 84 568 RECENT UPPER PLEISTOCENE 0.0 3.4 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 0 0.7 0.35 DSDP INITIAL REPORTS 84 568 UPPER PLEISTOCENE 3.4 89.4 NO AGE GIVEN NO AGE GIVEN 0.01 0.7 0.355 DSDP INITIAL REPORTS 84 568 PLEISTOCENE 89.4 117.8 A LEGITIMATE AGE INVERSION NO AGE GIVEN NO AGE GIVEN 0.011 1.8 .9055 DSDP INITIAL REPORTS 84 568 MIDDLE PLEISTOCENE LOWER PLEISTOCENE 117.8 195.4 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 0.8 1.8 1.3 DSDP INITIAL REPORTS 84 568 LOWER PLIOCENE MIDDLE MIOCENE 195.4 224.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 3.4 16 9.7 DSDP INITIAL REPORTS 84 568 MIDDLE MIOCENE 224.5 350.2 NO AGE GIVEN NO AGE GIVEN 10.5 16 13.25 DSDP INITIAL REPORTS 84 568 LOWER MIOCENE 350.2 408.9 NO AGE GIVEN NO AGE GIVEN 16 22.5 19.25 DSDP INITIAL REPORTS