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 1 4 PLEISTOCENE PLIOCENE 0.0 9.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 0.011 5 2.506 DSDP INITIAL REPORTS 1 4 TURONIAN 104.2 106.1 NO AGE GIVEN NO AGE GIVEN 86 92 89 DSDP INITIAL REPORTS 1 4 ALBIAN APTIAN 133.8 135.1 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 100 110 105 DSDP INITIAL REPORTS 1 4 HAUTERIVIAN 190.8 192.0 NO AGE GIVEN NO AGE GIVEN 121 126 123.5 DSDP INITIAL REPORTS 1 4 TITHONIAN 249.6 249.8 NO AGE GIVEN NO AGE GIVEN 135 141 138 DSDP INITIAL REPORTS