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
77	537		LOWER PLIOCENE		0.0	7.0		NO AGE GIVEN		NO AGE GIVEN	  3.4	    5	  4.2	DSDP INITIAL REPORTS
77	537		MIDDLE EOCENE		54.5	64.0		NO AGE GIVEN		NO AGE GIVEN	   43	   49	   46	DSDP INITIAL REPORTS
77	537		LOWER EOCENE		88.0	88.3		NO AGE GIVEN		NO AGE GIVEN	   49	 53.5	51.25	DSDP INITIAL REPORTS
77	537		UPPER PALEOCENE		88.3	89.6		NO AGE GIVEN		NO AGE GIVEN	 53.5	   60	56.75	DSDP INITIAL REPORTS
77	537		TERTIARY	CRETACEOUS	89.6	89.8		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	  1.8	  135	 68.4	DSDP INITIAL REPORTS
77	537		LOWER APTIAN		89.8	92.5		NO AGE GIVEN		NO AGE GIVEN	  112	  115	113.5	DSDP INITIAL REPORTS
77	537		LOWER CRETACEOUS		92.5	102.0		NO AGE GIVEN		NO AGE GIVEN	  100	  135	117.5	DSDP INITIAL REPORTS
77	537		VALANGINIAN	BERRIASIAN	102.0	111.5		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	  126	  135	130.5	DSDP INITIAL REPORTS
77	537		VALANGINIAN		111.5	159.0	A LEGITIMATE AGE INVERSION	NO AGE GIVEN		NO AGE GIVEN	  126	  131	128.5	DSDP INITIAL REPORTS
77	537		BERRIASIAN		159.0	168.5		NO AGE GIVEN		NO AGE GIVEN	  131	  135	  133	DSDP INITIAL REPORTS