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 13 127 A PLEISTOCENE 16.0 55.0 NO AGE GIVEN NO AGE GIVEN 0.011 1.8 .9055 DSDP INITIAL REPORTS 13 127 A UPPER PLEISTOCENE MIDDLE PLEISTOCENE 74.0 79.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 0.01 1.2 0.605 DSDP INITIAL REPORTS 13 127 A APTIAN BARREMIAN 79.0 80.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 108 121 114.5 DSDP INITIAL REPORTS