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	A	PLEISTOCENE	UPPER MIOCENE	0.0	602.2		NO AGE GIVEN	NO AGE GIVEN	NO AGE GIVEN	0.011	 10.5	5.256	INITIAL CORE DESCRIPTIONS
87	584	A	UPPER MIOCENE		602.2	795.1		NO AGE GIVEN		NO AGE GIVEN	    5	 10.5	 7.75	INITIAL CORE DESCRIPTIONS
87	584	A	MIDDLE MIOCENE		795.1	890.0		NO AGE GIVEN		NO AGE GIVEN	 10.5	   16	13.25	INITIAL CORE DESCRIPTIONS