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 38 343 PLEISTOCENE 0.0 12.5 NO AGE GIVEN NO AGE GIVEN 0.011 1.8 .9055 DSDP INITIAL REPORTS 38 343 PLEISTOCENE PLIOCENE 50.5 107.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 0.011 5 2.506 DSDP INITIAL REPORTS 38 343 MIDDLE EOCENE 145.5 202.5 NO AGE GIVEN NO AGE GIVEN 43 49 46 DSDP INITIAL REPORTS 38 343 LOWER EOCENE 202.5 252.0 NO AGE GIVEN NO AGE GIVEN 49 53.5 51.25 DSDP INITIAL REPORTS 38 343 LOWER EOCENE 269.0 284.0 NO AGE GIVEN NO AGE GIVEN 49 53.5 51.25 DSDP INITIAL REPORTS