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
28	267		PLIOCENE		0.0	4.0		NO AGE GIVEN		NO AGE GIVEN	  1.8	    5	  3.4	DSDP INITIAL REPORTS
28	267		MIOCENE		42.0	51.5		NO AGE GIVEN		NO AGE GIVEN	    5	 22.5	13.75	DSDP INITIAL REPORTS
28	267		LOWER MIOCENE		89.5	99.0		NO AGE GIVEN		NO AGE GIVEN	   16	 22.5	19.25	DSDP INITIAL REPORTS
28	267		LOWER MIOCENE	UPPER OLIGOCENE	127.5	137.0		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	   16	   30	   23	DSDP INITIAL REPORTS
28	267		MIDDLE OLIGOCENE		165.5	175.0		NO AGE GIVEN		NO AGE GIVEN	   29	   32	 30.5	DSDP INITIAL REPORTS
28	267		LOWER OLIGOCENE	UPPER EOCENE	203.5	210.0		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	   30	   43	 36.5	DSDP INITIAL REPORTS