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 3 20 C PLEISTOCENE 0.0 0.3 NO AGE GIVEN NO AGE GIVEN 0.011 1.8 .9055 DSDP INITIAL REPORTS 3 20 C UPPER PLIOCENE 0.3 1.5 NO AGE GIVEN NO AGE GIVEN 1.8 3.4 2.6 DSDP INITIAL REPORTS 3 20 C UPPER OLIGOCENE 1.5 8.5 NO AGE GIVEN NO AGE GIVEN 22.5 30 26.25 DSDP INITIAL REPORTS 3 20 C LOWER OLIGOCENE 25.6 35.0 NO AGE GIVEN NO AGE GIVEN 30 37.5 33.75 DSDP INITIAL REPORTS 3 20 C UPPER EOCENE 36.8 37.4 NO AGE GIVEN NO AGE GIVEN 37.5 43 40.25 DSDP INITIAL REPORTS 3 20 C MIDDLE EOCENE 37.4 60.0 NO AGE GIVEN NO AGE GIVEN 43 49 46 DSDP INITIAL REPORTS 3 20 C LOWER EOCENE 60.0 65.1 NO AGE GIVEN NO AGE GIVEN 49 53.5 51.25 DSDP INITIAL REPORTS 3 20 C UPPER PALEOCENE 65.1 66.1 NO AGE GIVEN NO AGE GIVEN 53.5 60 56.75 DSDP INITIAL REPORTS 3 20 C LOWER PALEOCENE 66.1 70.2 NO AGE GIVEN NO AGE GIVEN 60 65 62.5 DSDP INITIAL REPORTS 3 20 C MAESTRICHTIAN 70.2 72.2 NO AGE GIVEN NO AGE GIVEN 65 70 67.5 DSDP INITIAL REPORTS