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 44 390 A MIDDLE EOCENE 9.5 46.5 NO AGE GIVEN NO AGE GIVEN 43 49 46 DSDP INITIAL REPORTS 44 390 A LOWER EOCENE 47.5 76.0 NO AGE GIVEN NO AGE GIVEN 49 53.5 51.25 DSDP INITIAL REPORTS 44 390 A UPPER PALEOCENE 76.0 85.5 NO AGE GIVEN NO AGE GIVEN 53.5 60 56.75 DSDP INITIAL REPORTS 44 390 A LOWER PALEOCENE 85.5 112.0 NO AGE GIVEN NO AGE GIVEN 60 65 62.5 DSDP INITIAL REPORTS 44 390 A UPPER MAESTRICHTIAN 112.0 125.5 NO AGE GIVEN NO AGE GIVEN 65 67.5 66.25 DSDP INITIAL REPORTS 44 390 A LOWER MAESTRICHTIAN 125.5 133.0 NO AGE GIVEN NO AGE GIVEN 67.5 70 68.75 DSDP INITIAL REPORTS 44 390 A LOWER MAESTRICHTIAN UPPER CAMPANIAN 133.0 139.8 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 67.5 74 70.75 DSDP INITIAL REPORTS 44 390 A MIDDLE ALBIAN LOWER ALBIAN 139.8 142.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 104 108 106 DSDP INITIAL REPORTS