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
21	205		PLEISTOCENE	PLIOCENE	9.0	18.0		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	0.011	    5	2.506	DSDP INITIAL REPORTS
21	205		PLIOCENE		19.4	20.7		NO AGE GIVEN		NO AGE GIVEN	  1.8	    5	  3.4	DSDP INITIAL REPORTS
21	205		UPPER MIOCENE		20.7	74.0		NO AGE GIVEN		NO AGE GIVEN	    5	 10.5	 7.75	DSDP INITIAL REPORTS
21	205		MIDDLE MIOCENE		83.0	276.0		NO AGE GIVEN		NO AGE GIVEN	 10.5	   16	13.25	DSDP INITIAL REPORTS
21	205		UPPER OLIGOCENE		276.0	329.0		NO AGE GIVEN		NO AGE GIVEN	 22.5	   30	26.25	DSDP INITIAL REPORTS
21	205		MIDDLE OLIGOCENE		329.0	337.0		NO AGE GIVEN		NO AGE GIVEN	   29	   32	 30.5	DSDP INITIAL REPORTS