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 40 362 A LOWER MIOCENE 696.0 701.0 NO AGE GIVEN NO AGE GIVEN 16 22.5 19.25 DSDP INITIAL REPORTS 40 362 A UPPER OLIGOCENE MIDDLE OLIGOCENE 796.0 805.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 22.5 32 27.25 DSDP INITIAL REPORTS 40 362 A MIDDLE OLIGOCENE 834.0 881.5 NO AGE GIVEN NO AGE GIVEN 29 32 30.5 DSDP INITIAL REPORTS 40 362 A MIDDLE OLIGOCENE LOWER OLIGOCENE 910.0 919.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 29 37.5 33.25 DSDP INITIAL REPORTS 40 362 A LOWER OLIGOCENE UPPER EOCENE 929.0 938.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 30 43 36.5 DSDP INITIAL REPORTS 40 362 A UPPER EOCENE 948.0 957.5 NO AGE GIVEN NO AGE GIVEN 37.5 43 40.25 DSDP INITIAL REPORTS 40 362 A UPPER EOCENE MIDDLE EOCENE 967.0 976.5 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 37.5 49 43.25 DSDP INITIAL REPORTS 40 362 A MIDDLE EOCENE 995.5 1071.5 NO AGE GIVEN NO AGE GIVEN 43 49 46 DSDP INITIAL REPORTS 40 362 A MIDDLE EOCENE LOWER EOCENE 1071.5 1081.0 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 43 53.5 48.25 DSDP INITIAL REPORTS