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 36 329 PLEISTOCENE UPPER MIOCENE 0.0 8.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 0.011 10.5 5.256 DSDP INITIAL REPORTS 36 329 UPPER MIOCENE 8.5 198.5 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS 36 329 UPPER MIOCENE 208.0 341.0 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS 36 329 MIDDLE MIOCENE LOWER MIOCENE 360.0 369.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 10.5 22.5 16.5 DSDP INITIAL REPORTS 36 329 OLIGOCENE 388.5 426.5 NO AGE GIVEN NO AGE GIVEN 22.5 37.5 30 DSDP INITIAL REPORTS 36 329 LOWER EOCENE 445.5 448.5 NO AGE GIVEN NO AGE GIVEN 49 53.5 51.25 DSDP INITIAL REPORTS 36 329 LOWER EOCENE UPPER PALEOCENE 448.5 455.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 49 60 54.5 DSDP INITIAL REPORTS 36 329 UPPER PALEOCENE 455.0 464.5 NO AGE GIVEN NO AGE GIVEN 53.5 60 56.75 DSDP INITIAL REPORTS