leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 9 81 1 0.10 1.60 CLAY QUARTZ 36.5 9 81 1 0.10 1.60 CLAY MONTMORILLONITE 1.4 9 81 1 3.10 7.60 CLAY SIDERITE 3.2 9 81 1 3.10 7.60 CLAY QUARTZ 4.2 9 81 1 3.10 7.60 CLAY K-FELDSPAR 5.1 9 81 1 3.10 7.60 CLAY KAOLINITE 6.6 9 81 1 3.10 7.60 CLAY MONTMORILLONITE 72.2 9 81 2 321.30 325.80 CLAY MONTMORILLONITE 89.6 9 81 3 377.90 383.90 CLAY SIDERITE 3.0 9 81 3 377.90 383.90 CLAY PLAGIOCLASE 4.8 9 81 3 377.90 383.90 CLAY MONTMORILLONITE 85.2 9 81 4 389.30 395.20 CLAY MONTMORILLONITE 95.9 9 81 6 407.90 407.90 CLAY KAOLINITE 2.7 9 81 6 407.90 407.90 CLAY MONTMORILLONITE 91.9