leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 9 82 1 0.10 3.80 CLAY QUARTZ 2.7 9 82 1 0.10 3.80 CLAY K-FELDSPAR 4.2 9 82 1 0.10 3.80 CLAY PLAGIOCLASE 6.2 9 82 1 0.10 3.80 CLAY KAOLINITE 5.0 9 82 1 0.10 3.80 CLAY MICA 21.1 9 82 1 0.10 3.80 CLAY MONTMORILLONITE 54.9 9 82 1 4.60 7.60 CLAY QUARTZ 5.5 9 82 2 68.90 76.40 CLAY SIDERITE 6.7 9 82 2 68.90 76.40 CLAY PLAGIOCLASE 11.8 9 82 2 68.90 76.40 CLAY MONTMORILLONITE 70.3 9 82 3 135.40 142.90 CLAY QUARTZ 4.3 9 82 3 135.40 142.90 CLAY MONTMORILLONITE 70.1 9 82 4 191.40 198.90 CLAY MONTMORILLONITE 87.2 9 82 5 201.60 201.60 CLAY QUARTZ 1.7 9 82 5 201.60 201.60 CLAY MONTMORILLONITE 90.6