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 QUATERNARY 0.0 1.1 NO AGE GIVEN NO AGE GIVEN 0 1.8 0.9 DSDP INITIAL REPORTS 44 390 MIDDLE EOCENE 1.1 9.5 NO AGE GIVEN NO AGE GIVEN 43 49 46 DSDP INITIAL REPORTS 44 390 UPPER MAESTRICHTIAN 123.5 133.0 NO AGE GIVEN NO AGE GIVEN 65 67.5 66.25 DSDP INITIAL REPORTS 44 390 LOWER MAESTRICHTIAN LOWER ALBIAN 133.0 142.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 67.5 108 87.75 DSDP INITIAL REPORTS 44 390 MIDDLE ALBIAN LOWER ALBIAN 142.5 152.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 104 108 106 DSDP INITIAL REPORTS 44 390 UPPER APTIAN 152.0 155.0 NO AGE GIVEN NO AGE GIVEN 108 112 110 DSDP INITIAL REPORTS 44 390 LOWER APTIAN BARREMIAN 155.0 161.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 112 121 116.5 DSDP INITIAL REPORTS 44 390 APTIAN BARREMIAN 161.5 171.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 108 121 114.5 DSDP INITIAL REPORTS