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 25 241 HOLOCENE 0.0 3.7 NO AGE GIVEN NO AGE GIVEN 0 0.011 .0055 DSDP INITIAL REPORTS 25 241 QUATERNARY 3.7 18.0 NO AGE GIVEN NO AGE GIVEN 0 1.8 0.9 DSDP INITIAL REPORTS 25 241 LOWER PLEISTOCENE 47.0 74.0 NO AGE GIVEN NO AGE GIVEN 1.2 1.8 1.5 DSDP INITIAL REPORTS 25 241 UPPER PLIOCENE 104.0 151.0 NO AGE GIVEN NO AGE GIVEN 1.8 3.4 2.6 DSDP INITIAL REPORTS 25 241 UPPER MIOCENE 180.0 265.0 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS 25 241 MIDDLE MIOCENE 294.0 388.0 NO AGE GIVEN NO AGE GIVEN 10.5 16 13.25 DSDP INITIAL REPORTS 25 241 LOWER MIOCENE 398.0 457.0 NO AGE GIVEN NO AGE GIVEN 16 22.5 19.25 DSDP INITIAL REPORTS 25 241 UPPER OLIGOCENE 457.0 464.0 NO AGE GIVEN NO AGE GIVEN 22.5 30 26.25 DSDP INITIAL REPORTS 25 241 MIDDLE EOCENE 483.0 492.0 NO AGE GIVEN NO AGE GIVEN 43 49 46 DSDP INITIAL REPORTS 25 241 LOWER EOCENE 492.0 548.0 NO AGE GIVEN NO AGE GIVEN 49 53.5 51.25 DSDP INITIAL REPORTS 25 241 PALEOCENE 578.0 587.0 NO AGE GIVEN NO AGE GIVEN 53.5 65 59.25 DSDP INITIAL REPORTS 25 241 SENONIAN CAMPANIAN 626.0 844.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 65 78 71.5 DSDP INITIAL REPORTS 25 241 SENONIAN TURONIAN 873.0 1072.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 65 92 78.5 DSDP INITIAL REPORTS