leg site hole core section top of sample interval (cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 62 465 3 3 108 110 14.59 <2 MICRONS "variety of MONTMORILLONITE" 100. 62 465 5 1 100 31.00 <2 MICRONS "variety of MONTMORILLONITE" 27.0 62 465 5 1 100 31.00 <2 MICRONS ILLITE 51.0 62 465 5 1 100 31.00 <2 MICRONS CHLORITE 22.0