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 94 611 C UPPER PLEISTOCENE LOWER PLEISTOCENE 0.0 7.4 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 0.01 1.8 0.905 INITIAL CORE DESCRIPTIONS 94 611 C LOWER PLEISTOCENE 7.4 79.6 NO AGE GIVEN NO AGE GIVEN 1.2 1.8 1.5 INITIAL CORE DESCRIPTIONS 94 611 C UPPER PLIOCENE 79.6 204.4 NO AGE GIVEN NO AGE GIVEN 1.8 3.4 2.6 INITIAL CORE DESCRIPTIONS 94 611 C UPPER PLIOCENE LOWER PLIOCENE 204.4 233.2 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 1.8 5 3.4 INITIAL CORE DESCRIPTIONS 94 611 C LOWER PLIOCENE 233.2 280.8 NO AGE GIVEN NO AGE GIVEN 3.4 5 4.2 INITIAL CORE DESCRIPTIONS 94 611 C LOWER PLIOCENE UPPER MIOCENE 280.8 338.8 NO AGE GIVEN NO AGE GIVEN NO AGE GIVEN 3.4 10.5 6.95 INITIAL CORE DESCRIPTIONS 94 611 C UPPER MIOCENE 338.8 454.0 NO AGE GIVEN NO AGE GIVEN 5 10.5 7.75 INITIAL CORE DESCRIPTIONS 94 611 C MIDDLE MIOCENE 492.4 511.6 NO AGE GIVEN NO AGE GIVEN 10.5 16 13.25 INITIAL CORE DESCRIPTIONS