leg site hole core section top of sample interval (m) bottom of sample interval (m) fraction mineral percent 9 79 1 1.50 7.60 CLAY QUARTZ 10.0 9 79 1 1.50 7.60 CLAY PLAGIOCLASE 8.7 9 79 1 1.50 7.60 CLAY KAOLINITE 9.6 9 79 1 1.50 7.60 CLAY MICA 23.8 9 79 1 1.50 7.60 CLAY MONTMORILLONITE 30.9 9 79 4 193.60 199.60 CLAY QUARTZ 13.7 9 79 5 263.40 267.90 CLAY QUARTZ 2.6 9 79 5 263.40 267.90 CLAY MONTMORILLONITE 84.1 9 79 6 327.60 332.80 CLAY MONTMORILLONITE 96.2 9 79 7 336.00 342.70 CLAY MONTMORILLONITE 94.9 9 79 8 345.10 351.00 CLAY MONTMORILLONITE 96.0 9 79 9 350.20 353.20 CLAY MONTMORILLONITE 96.0 9 79 10 357.30 359.30 CLAY MONTMORILLONITE 96.9 9 79 11 365.80 371.80 CLAY MONTMORILLONITE 94.9 9 79 12 373.50 376.50 CLAY MONTMORILLONITE 95.6 9 79 12 378.00 381.00 CLAY MONTMORILLONITE 98.3 9 79 13 382.60 388.00 CLAY MONTMORILLONITE 96.5 9 79 14 389.60 397.10 CLAY MONTMORILLONITE 96.0 9 79 16 409.10 409.10 CLAY KAOLINITE 1.4