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 11 103 HOLOCENE 0.0 0.1 NO AGE GIVEN NO AGE GIVEN 0 0.011 .0055 DSDP INITIAL REPORTS 11 103 LOWER PLEISTOCENE 0.1 2.5 NO AGE GIVEN NO AGE GIVEN 1.2 1.8 1.5 DSDP INITIAL REPORTS 11 103 PLIOCENE 2.5 8.0 NO AGE GIVEN NO AGE GIVEN 1.8 5 3.4 DSDP INITIAL REPORTS 11 103 LOWER PLIOCENE 39.0 42.3 NO AGE GIVEN NO AGE GIVEN 3.4 5 4.2 DSDP INITIAL REPORTS 11 103 UPPER MIOCENE 42.3 256.0 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS 11 103 MIDDLE MIOCENE 343.0 449.0 NO AGE GIVEN NO AGE GIVEN 10.5 16 13.25 DSDP INITIAL REPORTS