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 22 215 QUATERNARY 0.0 6.0 NO AGE GIVEN NO AGE GIVEN 0 1.8 0.9 DSDP INITIAL REPORTS 22 215 UPPER PLIOCENE 6.3 10.5 NO AGE GIVEN NO AGE GIVEN 1.8 3.4 2.6 DSDP INITIAL REPORTS 22 215 LOWER PLIOCENE 11.0 36.0 NO AGE GIVEN NO AGE GIVEN 3.4 5 4.2 DSDP INITIAL REPORTS 22 215 UPPER MIOCENE 36.0 74.0 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS 22 215 LOWER EOCENE 74.0 93.0 NO AGE GIVEN NO AGE GIVEN 49 53.5 51.25 DSDP INITIAL REPORTS 22 215 EOCENE 93.0 95.8 NO AGE GIVEN NO AGE GIVEN 37.5 53.5 45.5 DSDP INITIAL REPORTS 22 215 EOCENE PALEOCENE 95.8 102.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 37.5 65 51.25 DSDP INITIAL REPORTS 22 215 PALEOCENE 102.5 155.5 NO AGE GIVEN NO AGE GIVEN 53.5 65 59.25 DSDP INITIAL REPORTS