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	204		QUATERNARY		0.0	7.5		NO AGE GIVEN		NO AGE GIVEN	    0	  1.8	  0.9	DSDP INITIAL REPORTS
21	204		MIDDLE MIOCENE		48.0	50.4		NO AGE GIVEN		NO AGE GIVEN	 10.5	   16	13.25	DSDP INITIAL REPORTS
21	204		MIOCENE	OLIGOCENE	85.0	103.0		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	    5	 37.5	21.25	DSDP INITIAL REPORTS
21	204		CRETACEOUS		103.0	130.0		NO AGE GIVEN		NO AGE GIVEN	   65	  135	  100	DSDP INITIAL REPORTS