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
12	117		MIOCENE	OLIGOCENE	50.0	52.0		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	    5	 37.5	21.25	DSDP INITIAL REPORTS
12	117		OLIGOCENE		100.0	109.0		NO AGE GIVEN		NO AGE GIVEN	 22.5	 37.5	   30	DSDP INITIAL REPORTS
12	117		OLIGOCENE		147.0	155.0		NO AGE GIVEN		NO AGE GIVEN	 22.5	 37.5	   30	DSDP INITIAL REPORTS
12	117		EOCENE		155.0	156.0		NO AGE GIVEN		NO AGE GIVEN	 37.5	 53.5	 45.5	DSDP INITIAL REPORTS