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
87	584		PLEISTOCENE		0.0	3.3		NO AGE GIVEN		NO AGE GIVEN	0.011	  1.8	.9055	INITIAL CORE DESCRIPTIONS
87	584		LOWER PLIOCENE		3.3	364.1		NO AGE GIVEN		NO AGE GIVEN	  3.4	    5	  4.2	INITIAL CORE DESCRIPTIONS
87	584		UPPER MIOCENE		364.1	757.5		NO AGE GIVEN		NO AGE GIVEN	    5	 10.5	 7.75	INITIAL CORE DESCRIPTIONS
87	584		MIDDLE MIOCENE		757.5	912.2		NO AGE GIVEN		NO AGE GIVEN	 10.5	   16	13.25	INITIAL CORE DESCRIPTIONS