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
18	178		PLEISTOCENE		0.0	195.0		NO AGE GIVEN		NO AGE GIVEN	0.011	  1.8	.9055	DSDP INITIAL REPORTS
18	178		UPPER PLIOCENE		195.0	465.5		NO AGE GIVEN		NO AGE GIVEN	  1.8	  3.4	  2.6	DSDP INITIAL REPORTS
18	178		PLIOCENE		465.5	600.5		NO AGE GIVEN		NO AGE GIVEN	  1.8	    5	  3.4	DSDP INITIAL REPORTS
18	178		LOWER PLIOCENE		629.5	690.5		NO AGE GIVEN		NO AGE GIVEN	  3.4	    5	  4.2	DSDP INITIAL REPORTS
18	178		PLIOCENE	MIOCENE	716.0	720.0		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	  1.8	 22.5	12.15	DSDP INITIAL REPORTS
18	178		LOWER MIOCENE		742.0	749.0		NO AGE GIVEN		NO AGE GIVEN	   16	 22.5	19.25	DSDP INITIAL REPORTS
18	178		MIOCENE		749.0	777.5		NO AGE GIVEN		NO AGE GIVEN	    5	 22.5	13.75	DSDP INITIAL REPORTS