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
86	581		QUATERNARY		0.0	1.0		NO AGE GIVEN		NO AGE GIVEN	    0	  1.8	  0.9	DSDP INITIAL REPORTS
86	581		LOWER PLIOCENE		181.5	200.5		NO AGE GIVEN		NO AGE GIVEN	  3.4	    5	  4.2	DSDP INITIAL REPORTS
86	581		UPPER MIOCENE		200.5	229.0		NO AGE GIVEN		NO AGE GIVEN	    5	 10.5	 7.75	DSDP INITIAL REPORTS
86	581		MIDDLE MIOCENE		229.0	257.5		NO AGE GIVEN		NO AGE GIVEN	 10.5	   16	13.25	DSDP INITIAL REPORTS
86	581		MIOCENE		257.5	267.0	A LEGITIMATE AGE INVERSION	NO AGE GIVEN		NO AGE GIVEN	    5	 22.5	13.75	DSDP INITIAL REPORTS