leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 9 83 1 1.60 4.60 CLAY QUARTZ 10.8 9 83 1 1.60 4.60 CLAY PLAGIOCLASE 11.8 9 83 1 1.60 4.60 CLAY KAOLINITE 14.5 9 83 1 1.60 4.60 CLAY MONTMORILLONITE 52.7 9 83 2 5.20 11.20 CLAY QUARTZ 13.8 9 83 2 5.20 11.20 CLAY PLAGIOCLASE 7.9 9 83 2 5.20 11.20 CLAY KAOLINITE 10.4 9 83 2 12.70 12.70 CLAY QUARTZ 4.7 9 83 2 12.70 12.70 CLAY PLAGIOCLASE 3.8 9 83 3 14.80 17.40 CLAY QUARTZ 5.4 9 83 3 14.80 17.40 CLAY PLAGIOCLASE 5.9 9 83 3 14.80 17.40 CLAY MONTMORILLONITE 84.2 9 83 4 71.90 71.90 CLAY QUARTZ 4.6 9 83 4 71.90 71.90 CLAY PLAGIOCLASE 2.7 9 83 4 71.90 71.90 CLAY KAOLINITE 4.5 9 83 5 137.80 143.80 CLAY QUARTZ 2.6 9 83 5 137.80 143.80 CLAY PLAGIOCLASE 3.4 9 83 5 137.80 143.80 CLAY MONTMORILLONITE 92.5 9 83 6 203.90 209.90 CLAY QUARTZ 1.8 9 83 6 203.90 209.90 CLAY MONTMORILLONITE 92.3 9 83 7 222.50 227.90 CLAY QUARTZ 1.7 9 83 7 222.50 227.90 CLAY MONTMORILLONITE 92.7