leg site hole core section top of sample interval(cm) bottom of sample interval(cm) subbottom depth(m) fraction mineral percent 78 542 2 4 <5 MICRONS KAOLINITE 48.0 78 542 2 4 <5 MICRONS ILLITE 32.0 78 542 2 4 <5 MICRONS "variety of MONTMORILLONITE" 20.0 78 542 3 2 018 020 <5 MICRONS KAOLINITE 30.0 78 542 3 2 018 020 <5 MICRONS ILLITE 30.0 78 542 3 2 018 020 <5 MICRONS "variety of MONTMORILLONITE" 40.0 78 542 H2 4 060 062 <5 MICRONS KAOLINITE 30.0 78 542 H2 4 060 062 <5 MICRONS ILLITE 32.0 78 542 H2 4 060 062 <5 MICRONS "variety of MONTMORILLONITE" 38.0 78 542 H3 1 035 037 <5 MICRONS KAOLINITE 25.0 78 542 H3 1 035 037 <5 MICRONS ILLITE 38.0 78 542 H3 1 035 037 <5 MICRONS "variety of MONTMORILLONITE" 37.0