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 36 328 PLEISTOCENE 0.0 7.5 NO AGE GIVEN NO AGE GIVEN 0.011 1.8 .9055 DSDP INITIAL REPORTS 36 328 PLIOCENE 7.5 9.9 NO AGE GIVEN NO AGE GIVEN 1.8 5 3.4 DSDP INITIAL REPORTS 36 328 UPPER MIOCENE 9.9 15.2 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS 36 328 MIDDLE MIOCENE 15.2 26.5 NO AGE GIVEN NO AGE GIVEN 10.5 16 13.25 DSDP INITIAL REPORTS 36 328 UPPER EOCENE 45.5 102.5 NO AGE GIVEN NO AGE GIVEN 37.5 43 40.25 DSDP INITIAL REPORTS 36 328 LOWER EOCENE 235.5 245.0 NO AGE GIVEN NO AGE GIVEN 49 53.5 51.25 DSDP INITIAL REPORTS 36 328 UPPER PALEOCENE 283.0 292.5 NO AGE GIVEN NO AGE GIVEN 53.5 60 56.75 DSDP INITIAL REPORTS 36 328 LOWER MAESTRICHTIAN CAMPANIAN 330.5 368.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 67.5 78 72.75 DSDP INITIAL REPORTS 36 328 CAMPANIAN 387.5 397.0 NO AGE GIVEN NO AGE GIVEN 70 78 74 DSDP INITIAL REPORTS