leg site hole core section top of sample interval (cm) bottom of sample interval (cm) subbottom depth(m) fraction mineral percent 60 460 A 4 7 018 020 36.19 <2 MICRONS "variety of MONTMORILLONITE" 45.5 60 460 A 4 7 018 020 36.19 <2 MICRONS ILLITE 9.0 60 460 A 5 3 080 082 40.31 <2 MICRONS "variety of MONTMORILLONITE" 34.5 60 460 A 5 3 080 082 40.31 <2 MICRONS ILLITE 26.0 60 460 A 5 3 080 082 40.31 <2 MICRONS CHLORITE 26.3 60 460 A 5 3 080 082 40.31 <2 MICRONS KAOLINITE 13.1 60 460 A 7 1 148 149 56.98 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 460 A 7 2 018 019 57.18 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 460 A 8 CC 021 023 74.22 <2 MICRONS "variety of MONTMORILLONITE" 33.3 60 460 A 8 CC 021 023 74.22 <2 MICRONS ILLITE 61.8 60 460 A 8 CC 024 025 74.24 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 460 A 8 CC 033 034 74.35 <2 MICRONS "variety of MONTMORILLONITE" 100. 60 460 A 8 CC 033 035 74.44 <2 MICRONS "variety of MONTMORILLONITE" 22.4 60 460 A 8 CC 033 035 74.44 <2 MICRONS ILLITE 77.6