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 36 327 A UPPER PLEISTOCENE 4.5 13.5 NO AGE GIVEN NO AGE GIVEN 0.01 0.7 0.355 DSDP INITIAL REPORTS 36 327 A LOWER EOCENE 13.5 23.0 NO AGE GIVEN NO AGE GIVEN 49 53.5 51.25 DSDP INITIAL REPORTS 36 327 A LOWER EOCENE UPPER PALEOCENE 23.0 32.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 49 60 54.5 DSDP INITIAL REPORTS 36 327 A UPPER PALEOCENE 32.5 70.5 NO AGE GIVEN NO AGE GIVEN 53.5 60 56.75 DSDP INITIAL REPORTS 36 327 A PALEOCENE 70.5 80.0 NO AGE GIVEN NO AGE GIVEN 53.5 65 59.25 DSDP INITIAL REPORTS 36 327 A MAESTRICHTIAN 89.5 118.0 NO AGE GIVEN NO AGE GIVEN 65 70 67.5 DSDP INITIAL REPORTS 36 327 A MAESTRICHTIAN CAMPANIAN 137.0 146.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 65 78 71.5 DSDP INITIAL REPORTS 36 327 A SANTONIAN 146.5 154.2 NO AGE GIVEN NO AGE GIVEN 78 82 80 DSDP INITIAL REPORTS 36 327 A CENOMANIAN 154.2 156.0 NO AGE GIVEN NO AGE GIVEN 92 100 96 DSDP INITIAL REPORTS 36 327 A UPPER ALBIAN 175.0 184.5 NO AGE GIVEN NO AGE GIVEN 100 104 102 DSDP INITIAL REPORTS 36 327 A MIDDLE ALBIAN LOWER ALBIAN 184.5 317.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 104 108 106 DSDP INITIAL REPORTS 36 327 A UPPER APTIAN 336.5 374.5 NO AGE GIVEN NO AGE GIVEN 108 112 110 DSDP INITIAL REPORTS 36 327 A LOWER APTIAN 393.5 431.5 NO AGE GIVEN NO AGE GIVEN 112 115 113.5 DSDP INITIAL REPORTS 36 327 A NEOCOMIAN 450.5 469.5 NO AGE GIVEN NO AGE GIVEN 121 135 128 DSDP INITIAL REPORTS