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 19 185 UPPER PLEISTOCENE 0.0 9.0 NO AGE GIVEN NO AGE GIVEN 0.01 0.7 0.355 DSDP INITIAL REPORTS 19 185 MIDDLE PLEISTOCENE 35.0 72.0 NO AGE GIVEN NO AGE GIVEN 0.8 1.2 1 DSDP INITIAL REPORTS 19 185 LOWER PLEISTOCENE 91.0 100.0 NO AGE GIVEN NO AGE GIVEN 1.2 1.8 1.5 DSDP INITIAL REPORTS 19 185 UPPER PLIOCENE 129.0 173.0 NO AGE GIVEN NO AGE GIVEN 1.8 3.4 2.6 DSDP INITIAL REPORTS 19 185 LOWER PLIOCENE 173.0 176.0 NO AGE GIVEN NO AGE GIVEN 3.4 5 4.2 DSDP INITIAL REPORTS 19 185 UPPER MIOCENE 213.0 587.0 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS