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 32 307 QUATERNARY PLEISTOCENE 0.0 9.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 0 1.8 0.9 DSDP INITIAL REPORTS 32 307 LOWER CENOMANIAN UPPER ALBIAN 37.5 47.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 97.5 104 100.8 DSDP INITIAL REPORTS 32 307 UPPER ALBIAN 56.5 65.5 NO AGE GIVEN NO AGE GIVEN 100 104 102 DSDP INITIAL REPORTS 32 307 ALBIAN 84.5 85.5 NO AGE GIVEN NO AGE GIVEN 100 108 104 DSDP INITIAL REPORTS 32 307 APTIAN BARREMIAN 103.0 112.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 108 121 114.5 DSDP INITIAL REPORTS 32 307 BARREMIAN VALANGINIAN 121.5 204.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 115 131 123 DSDP INITIAL REPORTS 32 307 LOWER HAUTERIVIAN UPPER VALANGINIAN 232.5 241.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 123 128.5 125.8 DSDP INITIAL REPORTS 32 307 LOWER HAUTERIVIAN BERRIASIAN 270.0 279.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 123 135 129 DSDP INITIAL REPORTS 32 307 VALANGINIAN BERRIASIAN 288.5 307.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 126 135 130.5 DSDP INITIAL REPORTS