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 79 544 B PLEISTOCENE 0.0 11.2 NO AGE GIVEN NO AGE GIVEN 0.011 1.8 .9055 DSDP INITIAL REPORTS 79 544 B LOWER PLEISTOCENE UPPER PLIOCENE 11.2 15.6 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 1.2 3.4 2.3 DSDP INITIAL REPORTS 79 544 B UPPER PLIOCENE MIDDLE PLIOCENE 15.6 20.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 1.8 4 2.9 DSDP INITIAL REPORTS 79 544 B MIDDLE PLIOCENE 20.0 24.4 NO AGE GIVEN NO AGE GIVEN 3 4 3.5 DSDP INITIAL REPORTS 79 544 B MIDDLE PLIOCENE LOWER PLIOCENE 24.4 27.4 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 3 5 4 DSDP INITIAL REPORTS 79 544 B LOWER PLIOCENE 27.4 33.7 NO AGE GIVEN NO AGE GIVEN 3.4 5 4.2 DSDP INITIAL REPORTS 79 544 B LOWER PLIOCENE UPPER MIOCENE 33.7 36.4 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 3.4 10.5 6.95 DSDP INITIAL REPORTS 79 544 B UPPER MIOCENE 36.4 39.3 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS