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 89 586 HOLOCENE 0.0 1.0 MISSING HOLE OR DRILLED INTERVAL NO AGE GIVEN NO AGE GIVEN 0 0.011 .0055 DSDP INITIAL REPORTS 89 586 UPPER PLEISTOCENE 1.0 3.8 NO AGE GIVEN NO AGE GIVEN 0.01 0.7 0.355 DSDP INITIAL REPORTS 89 586 LOWER PLEISTOCENE 3.8 37.8 NO AGE GIVEN NO AGE GIVEN 1.2 1.8 1.5 DSDP INITIAL REPORTS 89 586 UPPER PLIOCENE 37.8 39.3 NO AGE GIVEN NO AGE GIVEN 1.8 3.4 2.6 DSDP INITIAL REPORTS