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 11 101 A UPPER MIOCENE 115.0 203.0 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS 11 101 A CENOMANIAN ALBIAN 250.0 259.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 92 108 100 DSDP INITIAL REPORTS 11 101 A ALBIAN APTIAN 308.0 317.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 100 110 105 DSDP INITIAL REPORTS 11 101 A APTIAN BARREMIAN 380.0 469.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 108 121 114.5 DSDP INITIAL REPORTS 11 101 A BARREMIAN HAUTERIVIAN 534.0 543.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 115 126 120.5 DSDP INITIAL REPORTS 11 101 A VALANGINIAN 599.0 691.0 NO AGE GIVEN NO AGE GIVEN 126 131 128.5 DSDP INITIAL REPORTS