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 22 214 PLEISTOCENE 0.0 21.5 NO AGE GIVEN NO AGE GIVEN 0.011 1.8 .9055 DSDP INITIAL REPORTS 22 214 PLIOCENE 21.5 85.9 NO AGE GIVEN NO AGE GIVEN 1.8 5 3.4 DSDP INITIAL REPORTS 22 214 UPPER MIOCENE 86.7 153.0 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 DSDP INITIAL REPORTS 22 214 MIDDLE MIOCENE 153.0 200.5 NO AGE GIVEN NO AGE GIVEN 10.5 16 13.25 DSDP INITIAL REPORTS 22 214 LOWER MIOCENE 201.0 220.0 NO AGE GIVEN NO AGE GIVEN 16 22.5 19.25 DSDP INITIAL REPORTS 22 214 UPPER OLIGOCENE 220.0 237.0 NO AGE GIVEN NO AGE GIVEN 22.5 30 26.25 DSDP INITIAL REPORTS 22 214 MIDDLE OLIGOCENE 238.0 247.5 NO AGE GIVEN NO AGE GIVEN 29 32 30.5 DSDP INITIAL REPORTS 22 214 LOWER OLIGOCENE 247.5 256.0 NO AGE GIVEN NO AGE GIVEN 30 37.5 33.75 DSDP INITIAL REPORTS 22 214 UPPER EOCENE 257.0 266.5 NO AGE GIVEN NO AGE GIVEN 37.5 43 40.25 DSDP INITIAL REPORTS 22 214 MIDDLE EOCENE 266.5 304.5 NO AGE GIVEN NO AGE GIVEN 43 49 46 DSDP INITIAL REPORTS 22 214 LOWER EOCENE 304.5 333.0 NO AGE GIVEN NO AGE GIVEN 49 53.5 51.25 DSDP INITIAL REPORTS 22 214 UPPER PALEOCENE 336.0 342.5 NO AGE GIVEN NO AGE GIVEN 53.5 60 56.75 DSDP INITIAL REPORTS 22 214 PALEOCENE 342.5 390.0 NO AGE GIVEN NO AGE GIVEN 53.5 65 59.25 DSDP INITIAL REPORTS