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
53	418	B	LOWER QUATERNARY		0.0	16.3		NO AGE GIVEN		NO AGE GIVEN	  0.8	  1.8	  1.3	DSDP INITIAL REPORTS
53	418	B	OLIGOCENE	EOCENE	82.7	92.1		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	 22.5	 53.5	   38	DSDP INITIAL REPORTS
53	418	B	MIDDLE EOCENE		167.7	177.2		NO AGE GIVEN		NO AGE GIVEN	   43	   49	   46	DSDP INITIAL REPORTS
53	418	B	CENOMANIAN		234.4	253.9		NO AGE GIVEN		NO AGE GIVEN	   92	  100	   96	DSDP INITIAL REPORTS
53	418	B	UPPER ALBIAN		253.9	262.9		NO AGE GIVEN		NO AGE GIVEN	  100	  104	  102	DSDP INITIAL REPORTS
53	418	B	LOWER ALBIAN	UPPER APTIAN	262.9	311.1		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	  106	  112	  109	DSDP INITIAL REPORTS