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 62 465 PLEISTOCENE 0.0 2.4 NO AGE GIVEN NO AGE GIVEN 0.011 1.8 .9055 DSDP INITIAL REPORTS 62 465 PLIOCENE 2.4 4.5 NO AGE GIVEN NO AGE GIVEN 1.8 5 3.4 DSDP INITIAL REPORTS 62 465 PLIOCENE PALEOCENE 4.5 9.1 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 1.8 65 33.4 DSDP INITIAL REPORTS 62 465 UPPER PALEOCENE 9.1 58.0 NO AGE GIVEN NO AGE GIVEN 53.5 60 56.75 DSDP INITIAL REPORTS 62 465 LOWER PALEOCENE 58.0 67.5 NO AGE GIVEN NO AGE GIVEN 60 65 62.5 DSDP INITIAL REPORTS 62 465 UPPER MAESTRICHTIAN 67.5 86.5 NO AGE GIVEN NO AGE GIVEN 65 67.5 66.25 DSDP INITIAL REPORTS 62 465 UPPER MAESTRICHTIAN MIDDLE MAESTRICHTIAN 86.5 96.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 65 67 66 DSDP INITIAL REPORTS