leg	site	hole	core	section	top of sample interval (cm)	bottom of sample interval (cm)	subbottom depth(m)	fraction	mineral	percent
55	431		1	1	065	069		<2 MICRONS	"variety of MONTMORILLONITE"	71.0
55	431		1	1	065	069		<2 MICRONS	ILLITE	29.0
55	431		2	1	000	002		<2 MICRONS	"variety of MONTMORILLONITE"	30.0
55	431		2	1	000	002		<2 MICRONS	ILLITE	63.0