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
51	417	D	LOWER QUATERNARY		0.0	7.5	MISSING HOLE OR DRILLED INTERVAL	NO AGE GIVEN		NO AGE GIVEN	  0.8	  1.8	  1.3	DSDP INITIAL REPORTS
51	417	D	UPPER CRETACEOUS		201.5	277.3		NO AGE GIVEN		NO AGE GIVEN	   65	  100	 82.5	DSDP INITIAL REPORTS
51	417	D	UPPER CRETACEOUS	MIDDLE CENOMANIAN	277.3	286.8		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	   65	 97.5	81.25	DSDP INITIAL REPORTS
51	417	D	UPPER CRETACEOUS		286.8	296.3		NO AGE GIVEN		NO AGE GIVEN	   65	  100	 82.5	DSDP INITIAL REPORTS
51	417	D	CENOMANIAN	UPPER ALBIAN	296.3	305.9		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	   92	  104	   98	DSDP INITIAL REPORTS
51	417	D	MIDDLE CENOMANIAN		305.9	315.4	A LEGITIMATE AGE INVERSION	NO AGE GIVEN		NO AGE GIVEN	   95	 97.5	96.25	DSDP INITIAL REPORTS
51	417	D	LOWER ALBIAN	UPPER APTIAN	315.4	338.6		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	  106	  112	  109	DSDP INITIAL REPORTS
51	417	D	LOWER APTIAN		338.6	339.5		NO AGE GIVEN		NO AGE GIVEN	  112	  115	113.5	DSDP INITIAL REPORTS