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
81	554	A	UPPER MIOCENE		76.0	85.5		NO AGE GIVEN		NO AGE GIVEN	    5	 10.5	 7.75	DSDP INITIAL REPORTS
81	554	A	UPPER MIOCENE	MIDDLE MIOCENE	85.5	95.0		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	    5	   16	 10.5	DSDP INITIAL REPORTS
81	554	A	MIDDLE MIOCENE		95.0	106.1		NO AGE GIVEN		NO AGE GIVEN	 10.5	   16	13.25	DSDP INITIAL REPORTS
81	554	A	LOWER MIOCENE		106.1	106.3		NO AGE GIVEN		NO AGE GIVEN	   16	 22.5	19.25	DSDP INITIAL REPORTS
81	554	A	UPPER OLIGOCENE	LOWER OLIGOCENE	106.3	114.0		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	 22.5	 37.5	   30	DSDP INITIAL REPORTS
81	554	A	LOWER OLIGOCENE		114.0	117.9		NO AGE GIVEN		NO AGE GIVEN	   30	 37.5	33.75	DSDP INITIAL REPORTS
81	554	A	UPPER EOCENE		117.9	118.8		NO AGE GIVEN		NO AGE GIVEN	 37.5	   43	40.25	DSDP INITIAL REPORTS
81	554	A	LOWER EOCENE		118.8	123.5		NO AGE GIVEN		NO AGE GIVEN	   49	 53.5	51.25	DSDP INITIAL REPORTS