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 95 603 F LOWER PLEISTOCENE 0.0 32.6 NO AGE GIVEN NO AGE GIVEN 1.2 1.8 1.5 INITIAL CORE DESCRIPTIONS 95 603 F UPPER MIOCENE 32.6 980.5 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 INITIAL CORE DESCRIPTIONS 95 603 F LOWER EOCENE PALEOCENE 980.5 1200.8 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 49 65 57 INITIAL CORE DESCRIPTIONS 95 603 F LOWER BARREMIAN UPPER HAUTERIVIAN 1200.8 1373.2 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 118 123 120.5 INITIAL CORE DESCRIPTIONS 95 603 F LOWER CRETACEOUS VALANGINIAN 1373.2 1507.3 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 100 131 115.5 INITIAL CORE DESCRIPTIONS 95 603 F VALANGINIAN 1507.3 1545.7 NO AGE GIVEN NO AGE GIVEN 126 131 128.5 INITIAL CORE DESCRIPTIONS