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
23	224		UPPER PLEISTOCENE		0.0	9.0		NO AGE GIVEN		NO AGE GIVEN	 0.01	  0.7	0.355	DSDP INITIAL REPORTS
23	224		UPPER MIOCENE		94.0	103.0		NO AGE GIVEN		NO AGE GIVEN	    5	 10.5	 7.75	DSDP INITIAL REPORTS
23	224		LOWER MIOCENE		259.0	268.0		NO AGE GIVEN		NO AGE GIVEN	   16	 22.5	19.25	DSDP INITIAL REPORTS
23	224		LOWER MIOCENE	UPPER OLIGOCENE	453.0	456.5		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	   16	   30	   23	DSDP INITIAL REPORTS
23	224		UPPER OLIGOCENE		456.5	580.0		NO AGE GIVEN		NO AGE GIVEN	 22.5	   30	26.25	DSDP INITIAL REPORTS
23	224		MIDDLE OLIGOCENE		632.0	641.0		NO AGE GIVEN		NO AGE GIVEN	   29	   32	 30.5	DSDP INITIAL REPORTS
23	224		LOWER OLIGOCENE		698.0	702.0		NO AGE GIVEN		NO AGE GIVEN	   30	 37.5	33.75	DSDP INITIAL REPORTS
23	224		UPPER EOCENE		754.0	755.5		NO AGE GIVEN		NO AGE GIVEN	 37.5	   43	40.25	DSDP INITIAL REPORTS
23	224		MIDDLE EOCENE		755.5	786.0		NO AGE GIVEN		NO AGE GIVEN	   43	   49	   46	DSDP INITIAL REPORTS
23	224		LOWER EOCENE		786.0	792.0		NO AGE GIVEN		NO AGE GIVEN	   49	 53.5	51.25	DSDP INITIAL REPORTS