leg site hole core section top of sample interval (cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 55 432 1 1 030 032 <2 MICRONS "variety of MONTMORILLONITE" 44.0 55 432 1 1 030 032 <2 MICRONS CHLORITE 14.0 55 432 1 1 030 032 <2 MICRONS ILLITE 42.0 55 432 1 4 080 082 <2 MICRONS "variety of MONTMORILLONITE" 92.0 55 432 1 4 080 082 <2 MICRONS ILLITE 7.0