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
31	291		UPPER PLIOCENE		0.0	3.0		NO AGE GIVEN		NO AGE GIVEN	  1.8	  3.4	  2.6	DSDP INITIAL REPORTS
31	291		UPPER OLIGOCENE		60.0	69.5		NO AGE GIVEN		NO AGE GIVEN	 22.5	   30	26.25	DSDP INITIAL REPORTS
31	291		LOWER OLIGOCENE		79.0	80.0		NO AGE GIVEN		NO AGE GIVEN	   30	 37.5	33.75	DSDP INITIAL REPORTS
31	291		UPPER EOCENE		80.0	107.5		NO AGE GIVEN		NO AGE GIVEN	 37.5	   43	40.25	DSDP INITIAL REPORTS
31	291		EOCENE		117.0	126.5		NO AGE GIVEN		NO AGE GIVEN	 37.5	 53.5	 45.5	DSDP INITIAL REPORTS